Five9, Inc., together with its subsidiaries, provides cloud software for contact centers in the United States and internationally. The company offers virtual contact center cloud platform that delivers a suite of applications, which enables the breadth of contact center-related customer service, sales, and marketing functions. Its solution enables its clients to manage these customer interactions across various channels, including voice, video, chat, email, website, social media, click-to-call, callback, and mobile channels, as well as through APIs; and provides natural language processing and automatic speech recognition solutions. The company serves customers in various industries comprising banking and financial services, business process outsourcers, consumer, healthcare, technology, and education. Five9, Inc. was incorporated in 2001 and is headquartered in San Ramon, California.

five9

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>To complement our rapid growth, we are actively looking for a Software Engineer – Data Platform with experience working on Google Cloud Platform, to join our team. Five9 delivers market-leading up-time for its Contact Center application while constantly delivering new features and capabilities to highly demanding enterprise customers. This requires that Five9 continually enhances, updates and modernizes the Platform Services that the Contact Center Application runs on. This position requires excellent understanding of cloud software: how it's built, deployed, tested and managed.
&nbsp;
Key Responsibilities:
<ul>
<li>Contribute to the next generation of Five9’s modern SaaS platform and applications, providing businesses the ability to improve customer service through the power of AI in the Contact Center.</li>
<li>You will play a critical role in developing a highly-available, highly-scalable and reliable infrastructure for microservices.</li>
<li>You will apply your expertise of cloud computing stack, broad software technologies, and open source tools to resolve what are often considered seemingly unsolvable cloud technology platform challenges for our customers.</li>
<li>Gain deep application-level knowledge of existing systems as well as contributing to their overall design.</li>
<li>Dive deep into the software stack to troubleshoot and provide production support as needed.</li>
<li>Work with a team of peers, share a passion for what they’re creating and pull your own weight.</li>
</ul>
&nbsp;
Requirements:
<ul>
<li>3+ years of software development experience as part of a Java development team using Spring Boot.</li>
<li>1+ years with Cloud Platform (AWS, Azure, GCP as plus) and Spring Cloud.</li>
<li>Experience with designing and building highly available and scalable applications in GCP.</li>
<li>Experience and hands on skills with GCP Products such as Google Big Query, Cloud Storage, Cloud Functions, Pub/Sub, App Engine, Cloud SQL.</li>
<li>Experience and hands on skills with Docker, Kubernetes.</li>
<li>Hands on experience working as part of a Continuous Delivery team who continuously develop, test, deploy and manage production applications on Google Cloud Platform.</li>
<li>Good understanding of private and public cloud design considerations and limitations in the areas of virtualization and global infrastructure, distributed systems, load balancing and networking, event processing, massive data storage and security.</li>
<li>Bachelor's degree in an engineering field.</li>
<li>An advanced degree in an engineering or a business discipline is highly desirable.</li>
</ul>
&nbsp;
Workplace location: This role is fully remote for candidates who reside outside Porto, Maia, Matosinhos, Gondomar, Valongo e Vila Nova de Gaia.&nbsp; Candidates who reside within those municipalities would be required to work in-office 3 days a week.&nbsp;
&nbsp;
<hr>
Benefits:
<ul>
<li>Five9 Shares</li>
<li>Bonus Scheme</li>
<li>10% Flexi Benefit</li>
<li>Meal Allowance</li>
<li>Medical Insurance</li>
<li>Life Insurance&nbsp;</li>
<li>25 day Annual Leave + Public Holidays</li>
</ul>
&nbsp;<div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Software Engineer II - Data Platform

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>Five9 has led the cloud revolution in contact centers, helping organisations transition from legacy premise-based solutions to the cloud. The cloud contact center market has become the hot space for innovation in real-time communications, and is the tip of the spear for the application of Artificial Intelligence, especially Generative AI and Large Language Models (LLM). Our innovative AI team is responsible for developing a suite of leading edge AI products built upon industry-leading AI tech from vendors like OpenAI, Google, and Amazon. These products include enterprise voice and chatbots (think: ChatGPT for businesses), agent assistance, and conversation analytics. This team - the fastest growing at Five9 - is seeking a talented and experienced Senior Front End React/Redux Software Engineer. In this role, you will be part of the team that builds software that brings AI technologies to users. Prior AI experience is not required - you will receive on-the-job experience for some of the hottest skills on the market. An ideal candidate for us is an experienced engineer who is passionate about building high performance web platforms and applications, a brilliant problem solver and a creative self-starter.
&nbsp;
Key Responsibilities:
<ul>
<li>Implement UX designs by working with UX Designers on a day-to-day basis, using React/Redux based framework.</li>
<li>Build custom widgets for dashboards developed using Google Looker Studio plugins.</li>
<li>Be part of an agile team to develop a scalable, highly available application platform&nbsp;using modern PaaS platforms such as GCP.</li>
<li>Participate and contribute to requirements analysis and grooming.</li>
<li>Understand how to leverage PaaS components, such as CDN, noSQL databases when&nbsp;developing software in order to achieve scalability, reliability, and operability.</li>
<li>Document and communicate clearly architecture and implementation solutions.</li>
<li>Have ownership of your code in production, including on-call, troubleshooting.</li>
</ul>
&nbsp;
Key Skills:
<ul>
<li class="p1">5+ years software development experience.</li>
<li class="p1">React/Redux focus.</li>
<li class="p1">Highly proficient in JavaScript and TypeScript.</li>
<li class="p1">Experience in operational code ownership – on-call, troubleshooting, uptime</li>
<li class="p1">Experience in applying modern UI design patterns and separating concerns in a&nbsp;distributed system.</li>
<li class="p1">Must have experience working within an Agile/Scrum team.</li>
<li class="p1">Positive, self-motivated and enthusiastic attitude with a strong sense of ownership.</li>
<li class="p1">Strong pro-active communication skills, both verbal and written.</li>
<li class="p1">Experience in contact center software is a plus but not required.</li>
<li>Experience with custom widget development using Google Looker Studio is a plus but not required.</li>
</ul>
Workplace location: This role is fully remote for candidates who reside outside Porto, Maia, Matosinhos, Gondomar, Valongo e Vila Nova de Gaia.&nbsp; Candidates who reside within those municipalities would be required to work in-office 3 days a week.&nbsp;
<hr>
Benefits:
<ul>
<li>Five9 Shares</li>
<li>Bonus Scheme</li>
<li>10% Flexi Benefit</li>
<li>Meal Allowance</li>
<li>Medical Insurance</li>
<li>Life Insurance&nbsp;</li>
<li>25 day Annual Leave + Public Holidays</li>
</ul><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Senior Software Engineer - Frontend

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>Senior Software Engineer in AI - Front End React/Redux, Java
Five9 is a leading provider of cloud software for the enterprise contact center market, bringing the power of the cloud to thousands of customers and facilitating more than three billion customer interactions annually. Five9 has led the cloud revolution in contact centers, helping organizations transition from legacy premise-based solutions to the cloud. The cloud contact center market has become the hot space for innovation in real-time communications, and is the tip of the spear for the application of Artificial Intelligence. Five9 has led the charge with its Genius AI platform. Five9 offers a high-energy environment with lots of room for personal and professional growth. Our innovative AI team is seeking a talented and experienced Senior Full Stack Software Engineer to join our Voice of Customer (VOC) team. AI experience is required for this role - you will work hands-on with AI technologies from vendors like Azure, OpenAI, Google, Databricks, IBM, and Amazon, and continue to build on some of the hottest skills on the market. An ideal candidate for us is an experienced engineer who is passionate about building high performance web platforms and applications, a brilliant problem solver and a creative self-starter.
&nbsp;
Voice of Customer (VOC) is Five9’s AI-powered customer insights product. Every day, contact centers handle enormous volumes of voice and chat conversations that hold the clearest signal about what customers actually want - and almost none of it gets read. VOC applies AI to those conversations at scale to surface why customers are reaching out, how those reasons cluster and shift over time, and where the business should act. The result is a set of insights and analytics that CX and operations leaders use to make decisions, with the ability to trace any insight back to the conversations behind it.
&nbsp;
Key Responsibilities:
<ul>
<li>Implement UX designs by working with UX Designers on a day-to-day basis, using React/Redux based framework.</li>
<li>Build the customer-facing insights experience for VOC - interactive dashboards, charts, and drill-down views over AI-generated insights.</li>
<li>Be part of an agile team to develop a scalable, highly available application platform using modern PaaS platforms such as GCP.</li>
<li>Participate and contribute to requirements analysis and grooming.</li>
<li>Understand how to leverage PaaS components, such as CDN, noSQL databases when developing software in order to achieve scalability, reliability, and operability.</li>
<li>Ability to build custom widgets for dashboards developed using Google Looker Studio plugins is a plus, but not required.</li>
<li>Document and communicate clearly architecture and implementation solutions.</li>
<li>Have ownership of your code in production, including on-call, troubleshooting.</li>
</ul>
&nbsp;
Key Skills:
<ul>
<li>5+ years software development experience (mandatory).</li>
<li>React/Redux focus.</li>
<li>Highly proficient in JavaScript and Java.</li>
<li>Hands-on experience building AI-powered product interfaces - presenting model output to users and supporting human review and correction of it.</li>
<li>Experience building data-heavy or analytics interfaces - charts, dashboards, filtering, and large result sets.</li>
<li>Experience with PaaS hosted relational and no-SQL databases.</li>
<li>Desirable, but not required, experience with custom widget development using Google Looker Studio.</li>
<li>Experience in operational code ownership - on-call, troubleshooting, uptime.</li>
<li>Experience in applying modern UI design patterns and separating concerns in a distributed system.</li>
<li>Familiarity with vibe coding using different AI tools like Claude Code.</li>
<li>Must have experience working within an Agile/Scrum team.</li>
<li>Positive, self-motivated and enthusiastic attitude with a strong sense of ownership.</li>
<li>Strong pro-active communication skills, both verbal and written.</li>
<li>AI skills in speech recognition and natural language processing are a plus but not required.</li>
<li>Experience in contact center software is a plus but not required.</li>
</ul><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Senior Software Engineer in AI - FrontEnd React/Redux, Java

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>To complement our rapid growth, we are actively looking for a Senior Software Engineer – Platform with experience working on Google Cloud Platform, to join our team. Five9 delivers market-leading up-time for its Contact Center application while constantly delivering new features and capabilities to highly demanding enterprise customers. This requires that Five9 continually enhances, updates and modernizes the Platform Services that the Contact Center Application runs on. This position requires excellent understanding of cloud software: how it's built, deployed, tested and managed.
&nbsp;
Key Responsibilities:
<ul>
<li>Contribute to the next generation of Five9’s modern SaaS platform, providing businesses the ability to improve customer service through the power of AI in the Contact Center.</li>
<li>You will play a critical role in developing a highly-available, highly-scalable and reliable microservices.</li>
<li>You will apply your expertise of cloud computing stack, broad software technologies, and open source tools to resolve what are often considered seemingly unsolvable cloud technology platform challenges for our customers.</li>
<li>Gain deep application-level knowledge of existing systems as well as contributing to their overall design.</li>
<li>Dive deep into the software stack to troubleshoot and provide production support as needed.</li>
<li>Work with a team of peers, share a passion for what they’re creating and pull your own weight.</li>
</ul>
&nbsp;
Required skills:
<ul>
<li>5+ years of software development experience as part of a Java development team using Spring Framework.</li>
<li>Experience with designing and building highly available and scalable applications.</li>
<li>Good understanding of private and public cloud design considerations and limitations in the areas of virtualization and global infrastructure, distributed systems, load balancing and networking, event processing, massive data storage and security.</li>
<li>Bachelor's degree in an engineering field.</li>
</ul>
&nbsp;
Desired skills:
<ul>
<li>3+ years with Cloud Platform (AWS, Azure, GCP as plus) and Spring Cloud.</li>
<li>Experience and hands on skills with GCP Products such as Google Big Query, Cloud Storage, Cloud Functions, Pub/Sub, App Engine, Cloud SQL.</li>
<li>Experience and hands on skills with Docker, Kubernetes.</li>
<li>Hands on experience working as part of a Continuous Delivery team who continuously develop, test, deploy and manage production applications on Google Cloud Platform.</li>
<li>An advanced degree in an engineering or a business discipline is highly desirable.</li>
</ul><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Senior Software Engineer

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>As part of the Cloud Platform Engineering team, you will be building Five9’s next generation, cutting-edge Modern SaaS platform.&nbsp;An ideal candidate for us is an experienced engineer who is passionate about building high performance cloud platforms with automation first mindset and a brilliant problem solver and a creative self-starter. 
Key Responsibilities:
<ul>
<li>Be part of Cloud Platform Infrastructure Team, focused on building the next generation Modern SaaS using public multi-cloud and hybrid-cloud solutions.</li>
<li>Build automation capabilities towards common abstractions, tools, automation for CI/CD and progressive delivery of Cloud Native applications.</li>
<li>Delivering mostly self-selected user stories efficiently and with testability and scalability - including complex tasks that span across adjacent areas.</li>
<li>Leading engineering effort and collaborating regularly with Peers, PM and Quality and Ops, helping mentor others and developing specs.</li>
<li>Is the go-to person who diagnoses and anticipate problems/bugs, drives toward industry standards/patterns, making sure project is delivered and deployed end to end.</li>
<li>Enable all Five9 development teams with a Cloud Native developer workflow, conduct developer training and toolset to automate software delivery with a focus on Scale, HA.</li>
<li>Design, and build secure, highly scalable, enterprise grade platform services.</li>
<li>Document and communicate clearly of architecture and implementation solutions.</li>
<li>Work closely with product managers, architects, testers, and development teams.</li>
<li>Troubleshoot and support current Cloud platform in production.</li>
<li>Can mentor and displays emotional intelligence.</li>
<li>Expertise to Debug &amp; Support Production issues.</li>
</ul>
&nbsp;
Key Qualifications:
<ul>
<li>9+ years of professional DevOps / production operations experience.</li>
<li>5+ years of Cloud Native application delivery experience.</li>
<li>Strong Hands-on experience with Kubernetes, CI/CD tools like GitLab, TeamCity.</li>
<li>Intimate knowledge of public cloud infrastructures (GCP - Preferred, AWS, Azure).</li>
<li>Hands-on experience working on core Cloud services – compute, storage, network, virtualization, Identity and Access Management (IAM).</li>
<li>Strong proven experience in Infrastructure as Code (IaC), to be responsible for building robust platforms using automation.</li>
<li>Strong Experience in building automation and deploying high quality software with test frameworks and CI/CD, Progressive Delivery.</li>
<li>Advanced knowledge of Linux based systems and runtimes.</li>
<li>Strong development experience in one or more programming languages - Python, Terraform, Golang, Java, etc.</li>
<li>Expert level in Current technology Stack Helm, K8S, Istio, GCP, AWS, GKE, EKS, Terraform, SRE/DevOps practices or equivalent.</li>
<li>DevOps mindset and familiarity with the concept of Site Reliability Engineering – inherent sense of ownership through the development and deployment lifecycle.</li>
<li>Experience working with at least 1 or more Cloud Provider automation tools.</li>
<li>You understand what it takes to run mission critical software in production.</li>
<li>Ability to prioritize tasks, work both independently and collaboratively in an agile environment.</li>
</ul>
&nbsp;
Benefits:
<ul>
<li>Five9 Shares</li>
<li>Bonus Scheme</li>
<li>10% Flex Benefit</li>
<li>Meal Allowance</li>
<li>Medical Insurance</li>
<li>Life Insurance&nbsp;</li>
<li>25 day Annual Leave + Public Holidays</li>
</ul><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Staff Software Engineer - DevOps

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>
<h2 class="PDq2pG_selectionAnchorContainer" data-section-id="12etlfx" data-start="198" data-end="216">Team Overview</h2>
The Core Applications team takes pride in providing exceptional support and innovative solutions for a diverse range of essential applications and tools, including Agent Desktop Plus, Supervisor Plus, Admin Console, iPad Supervisor, Freedom Application Platform, Internal Admin (Shell), Agent Assist UI, Nimbus, and Unified Portal / Login.
We have a passion for excellence. Our dedicated team is committed to optimizing user experiences, streamlining workflows, and enhancing productivity across the board. Whether empowering agents with intuitive interfaces, empowering supervisors with powerful management tools, or enabling seamless access to critical applications via multiple platforms, we strive to deliver with utmost efficiency and customer satisfaction.
Our mission is to shape the future of Five9, where innovation and collaboration go hand in hand as we strive to build a world-class ecosystem of integrated solutions that cater to the ever-evolving needs of our valued users.
<hr data-start="1209" data-end="1212">
<h2 class="" data-section-id="rc0wgi" data-start="1214" data-end="1234">Role Overview</h2>
The Core Applications team is doing greenfield work, introducing new concepts and capabilities to our suite of UI products on a modern React + TypeScript stack.
As a Software Engineer, you'll build features and take ownership of well-scoped work end-to-end. You'll collaborate closely with engineers across a distributed team spanning Australia, India, and the US. AI tools are a core part of how we work every day.
<hr data-start="1654" data-end="1657">
<h2 data-section-id="1pzghrs" data-start="1659" data-end="1686">Key Responsibilities</h2>
<ul data-start="1688" data-end="2152">
<li data-section-id="jaegvb" data-start="1688" data-end="1819">Build and ship features on the new agent desktop in React + TypeScript + Nx, using AI coding agents as part of the daily workflow</li>
<li data-section-id="rr95h" data-start="1820" data-end="1913">Take ownership of well-scoped work end-to-end, from implementation to testing to deployment</li>
<li data-section-id="vkuyvc" data-start="1914" data-end="1984">Participate in code reviews and contribute to the shared quality bar</li>
<li data-section-id="l1azmu" data-start="1985" data-end="2078">Collaborate async-first with engineering, product, and design across distributed time zones</li>
<li data-section-id="e2ziit" data-start="2079" data-end="2152">Contribute to async planning via Jira, written documentation, and Slack</li>
</ul>
<hr data-start="2154" data-end="2157">
<h2 data-section-id="1rqbsmb" data-start="2159" data-end="2189">Qualifications &amp; Skills</h2>
<ul data-start="2191" data-end="2828">
<li data-section-id="3bqnn6" data-start="2191" data-end="2313">Strong React and TypeScript proficiency; experience with other modern frameworks (Vue, Angular, Svelte) is a good signal</li>
<li data-section-id="vb5ldn" data-start="2314" data-end="2424">Testing experience with Jest and/or Playwright, with an understanding of the value of thorough test coverage</li>
<li data-section-id="zhphq6" data-start="2425" data-end="2549">Able to operate autonomously on a small, fast-paced team; fills gaps and makes reasonable calls without constant direction</li>
<li data-section-id="1j1q3rn" data-start="2550" data-end="2656">Strong written communication and collaboration skills for a remote, async-first, distributed environment</li>
<li data-section-id="nqyjfw" data-start="2657" data-end="2767">Prior experience using AI coding tools and a genuine willingness to evolve those skills as the space changes</li>
<li data-section-id="1ikqz5n" data-start="2768" data-end="2828">Bachelor's degree (or equivalent) in a relevant discipline</li>
</ul>
<hr data-start="2830" data-end="2833">
<h2 data-section-id="eq14gy" data-start="2835" data-end="2858">Preferred Skills</h2>
<ul data-start="2860" data-end="3246">
<li data-section-id="d2tvty" data-start="2860" data-end="2924">Prior experience in CCaaS, agent desktop, or UI platform roles</li>
<li data-section-id="mr8tn0" data-start="2925" data-end="2970">Familiarity with TanStack Query and Zustand</li>
<li data-section-id="1rxfr42" data-start="2971" data-end="3061">Web accessibility knowledge; familiarity with WCAG standards and building accessible UIs</li>
<li data-section-id="wrj4ty" data-start="3062" data-end="3180">Monorepo and micro-frontend architecture experience; Nx preferred, but PNPM, Lerna, and other tools are good signals</li>
<li data-section-id="8u2x5w" data-start="3181" data-end="3246">Experience with WebSockets or real-time application development</li>
</ul>
<hr data-start="3248" data-end="3251">
<h2 data-section-id="1rmcmtp" data-start="3253" data-end="3278">Other Requirements</h2>
<ul data-start="3280" data-end="3400">
<li data-section-id="10fs642" data-start="3280" data-end="3349">Working shift must be aligned to overlap with Pacific working hours</li>
<li data-section-id="e6tp0t" data-start="3350" data-end="3400">This position requires the ability to be On Call</li>
</ul>
<hr data-start="3402" data-end="3405">
<h2 data-section-id="1d91h9h" data-start="3407" data-end="3431">Key Relationships</h2>
There are no direct reports to this role.
Key stakeholders include:
<ul data-start="3507" data-end="3703">
<li data-section-id="1j81v6o" data-start="3507" data-end="3539">Service owners and their teams</li>
<li data-section-id="9am2xi" data-start="3540" data-end="3599">Technical leadership and senior management, including VPs</li>
<li data-section-id="1kpkxmn" data-start="3600" data-end="3619">Engineering teams</li>
<li data-section-id="1tnd3ca" data-start="3620" data-end="3647">Network and Telecom teams</li>
<li data-section-id="1n4b5nj" data-start="3648" data-end="3672">Customer service teams</li>
<li data-section-id="1ye87nv" data-start="3673" data-end="3703">Compliance and infosec teams</li>
</ul>
This is not a customer-facing role.

&nbsp;<div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Software Engineer II

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>We are seeking a highly experienced Senior Site Reliability Engineer – Storage Platforms to design, implement, and support Software Defined Storage (SDS) and Kubernetes platforms in a private cloud environment. This role focuses on scalability, resilience, automation, and performance using Infrastructure-as-Code and GitOps practices.
This is a deeply technical role requiring&nbsp;expert-level understanding of Software Defined Storage, Kubernetes, and extensive working knowledge on Linux Operating systems. You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications.&nbsp;
Key Responsibilities
<ul>
<li>Design, implement, and operate large-scale Software Defined Storage architectures across private and public cloud regions within ITIL methodology.</li>
<li>Deploy and support enterprise storage platforms (Pure Storage, HPE, NetApp) and SDS solutions (Ceph, Longhorn).</li>
<li>Build self-service storage workflows for Kubernetes CSI and OpenStack consumers (VM and Baremetal).</li>
<li>Develop Infrastructure-as-Code using Ansible, Terraform, Helm and Git, with Python/Bash automation.</li>
<li>Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback.</li>
<li>Build observability, alerting, and auto-remediation using GitOps and tools such as Prometheus, Loki, and Grafana.</li>
<li>Architect and maintain high availability, disaster recovery, and scale-out infrastructure.</li>
<li>Develop and review high-level and low-level design documents for storage infrastructure</li>
<li>Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems.</li>
<li>Participate in on-call rotations, incident response, and root cause analysis.</li>
<li>Collaborate globally on change management, documentation, and operational best practices.</li>
</ul>
Minimum Qualifications
<ul>
<li>6+ years of experience managing enterprise storage and Kubernetes platforms on Linux.</li>
<li>Strong hands-on experience with SDS solutions (Ceph, Longhorn) and storage migrations from legacy systems.</li>
<li>Experience with block, file, and object storage, including Fibre Channel and IP-based protocols.</li>
<li>Experience with NVMe-oF or iSCSI fabrics.</li>
<li>Expert knowledge of Kubernetes and Linux systems (Ubuntu, RHEL/CentOS).</li>
<li>Proficiency with Infrastructure-as-Code (IaC) (Ansible, Terraform).</li>
<li>Strong scripting skills in Python and Bash (Golang (GO) a plus).</li>
<li>Strong working knowledge of Enterprise DNS and integrations with Kubernetes</li>
<li>Experience operating 24x7 mission-critical production environments.</li>
<li>Hands-on experience with KVM hypervisors (Suse Harvester, OpenStack).</li>
<li>Strong written and verbal communication skills.</li>
<li>Proficiency with Git, CI/CD pipelines, and automated testing frameworks</li>
<li>Ability to write technical documentation and contribute to community wikis or knowledge bases.</li>
<li>Bachelor’s degree in computer science or equivalent professional experience.</li>
</ul>
Preferred Qualifications&nbsp;
<ul>
<li>OpenStack Cinder multi-backend administration.</li>
<li>Backup platforms (Rubrik).</li>
<li>Understanding of CIS/NIST security and infrastructure lifecycle management.</li>
<li>ITIL Foundation/advanced certifications in support of ITSM standard methodology.</li>
<li>Background in telco, edge cloud, or large enterprise environments.</li>
<li>CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS) or Red Hat specialist in Ceph Storage Administrator (EX125) certifications.</li>
<li>Master’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered.</li>
</ul>
What You’ll Get&nbsp;
<ul>
<li>A collaborative team that’s deeply invested in infrastructure excellence.</li>
<li>Complex technical challenges that require creative, scalable solutions.</li>
<li>The opportunity to shape a next-generation private cloud platform-built reliability.</li>
<li>Access to the latest tools, frameworks, and upstream project developments.</li>
</ul>
Skills and Attributes:&nbsp;
<ul>
<li>Analytical Thinking &amp; Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions.</li>
<li>Collaboration &amp; Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders.</li>
<li>Mentorship &amp; Leadership: Passionate about knowledge-sharing and mentorship, with experience guiding junior engineers and fostering a team culture of continuous learning, innovation, and technical excellence in cloud engineering and DevOps practices.</li>
</ul><div class="content-pay-transparency"><div class="pay-input"><div class="description">Work Location: This role is hybrid. 3 days a week (T, W, TH) in our San Ramon office is required.
<hr>
As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process.&nbsp; Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.
Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.
Our total reward package also includes:
<ul>
<li>Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short &amp; Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching.</li>
<li>Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents.</li>
<li>Generous employee stock purchase plan.</li>
<li>Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave.</li>
</ul>
All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.</div><div class="title">The US base salary range for this role is below. </div><div class="pay-range">$90,700&mdash;$252,200 USD</div></div></div><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law.
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Senior Site Reliability Engineer - Storage Platforms

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>We are seeking a highly experienced Senior Site Reliability Engineer – Storage Platforms to design, implement, and support Software Defined Storage (SDS) and Kubernetes platforms in a private cloud environment. This role focuses on scalability, resilience, automation, and performance using Infrastructure-as-Code and GitOps practices.
This is a deeply technical role requiring&nbsp;expert-level understanding of Software Defined Storage, Kubernetes, and extensive working knowledge on Linux Operating systems. You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications.&nbsp;
Key Responsibilities
<ul>
<li>Design, implement, and operate large-scale Software Defined Storage architectures across private and public cloud regions within ITIL methodology.</li>
<li>Deploy and support enterprise storage platforms (Pure Storage, HPE, NetApp) and SDS solutions (Ceph, Longhorn).</li>
<li>Build self-service storage workflows for Kubernetes CSI and OpenStack consumers (VM and Baremetal).</li>
<li>Develop Infrastructure-as-Code using Ansible, Terraform, Helm and Git, with Python/Bash automation.</li>
<li>Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback.</li>
<li>Build observability, alerting, and auto-remediation using GitOps and tools such as Prometheus, Loki, and Grafana.</li>
<li>Architect and maintain high availability, disaster recovery, and scale-out infrastructure.</li>
<li>Develop and review high-level and low-level design documents for storage infrastructure</li>
<li>Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems.</li>
<li>Participate in on-call rotations, incident response, and root cause analysis.</li>
<li>Collaborate globally on change management, documentation, and operational best practices.</li>
</ul>
Minimum Qualifications
<ul>
<li>6+ years of experience managing enterprise storage and Kubernetes platforms on Linux.</li>
<li>Strong hands-on experience with SDS solutions (Ceph, Longhorn) and storage migrations from legacy systems.</li>
<li>Experience with block, file, and object storage, including Fibre Channel and IP-based protocols.</li>
<li>Experience with NVMe-oF or iSCSI fabrics.</li>
<li>Expert knowledge of Kubernetes and Linux systems (Ubuntu, RHEL/CentOS).</li>
<li>Proficiency with Infrastructure-as-Code (IaC) (Ansible, Terraform).</li>
<li>Strong scripting skills in Python and Bash (Golang (GO) a plus).</li>
<li>Strong working knowledge of Enterprise DNS and integrations with Kubernetes</li>
<li>Experience operating 24x7 mission-critical production environments.</li>
<li>Hands-on experience with KVM hypervisors (Suse Harvester, OpenStack).</li>
<li>Strong written and verbal communication skills.</li>
<li>Proficiency with Git, CI/CD pipelines, and automated testing frameworks</li>
<li>Ability to write technical documentation and contribute to community wikis or knowledge bases.</li>
<li>Bachelor’s degree in computer science or equivalent professional experience.</li>
</ul>
Preferred Qualifications&nbsp;
<ul>
<li>OpenStack Cinder multi-backend administration.</li>
<li>Backup platforms (Rubrik).</li>
<li>Understanding of CIS/NIST security and infrastructure lifecycle management.</li>
<li>ITIL Foundation/advanced certifications in support of ITSM standard methodology.</li>
<li>Background in telco, edge cloud, or large enterprise environments.</li>
<li>CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS) or Red Hat specialist in Ceph Storage Administrator (EX125) certifications.</li>
<li>Master’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered.</li>
</ul>
What You’ll Get&nbsp;
<ul>
<li>A collaborative team that’s deeply invested in infrastructure excellence.</li>
<li>Complex technical challenges that require creative, scalable solutions.</li>
<li>The opportunity to shape a next-generation private cloud platform-built reliability.</li>
<li>Access to the latest tools, frameworks, and upstream project developments.</li>
</ul>
Skills and Attributes:&nbsp;
<ul>
<li>Analytical Thinking &amp; Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions.</li>
<li>Collaboration &amp; Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders.</li>
<li>Mentorship &amp; Leadership: Passionate about knowledge-sharing and mentorship, with experience guiding junior engineers and fostering a team culture of continuous learning, innovation, and technical excellence in cloud engineering and DevOps practices.</li>
</ul>
&nbsp;<div class="content-pay-transparency"><div class="pay-input"><div class="description">Work Location: This role is hybrid. 3 days a week (T, W, TH) in our Dallas office is required.
<hr>
As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process.&nbsp; Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.
Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.
Our total reward package also includes:
<ul>
<li>Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short &amp; Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching.</li>
<li>Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents.</li>
<li>Generous employee stock purchase plan.</li>
<li>Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave.</li>
</ul>
All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.
&nbsp;</div><div class="title">The US base salary range for this role is below. </div><div class="pay-range">$90,700&mdash;$252,200 USD</div></div></div><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law.
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>We are seeking a highly experienced Site Site Reliability Engineer – Compute Platforms to design, implement, and support Kubernetes on baremetal and hypervisor platforms in a private cloud environment. This role is responsible for the architecture, design, and standardization of enterprise compute and hypervisor environments spanning bare metal infrastructure, operating systems, hypervisors, private cloud orchestration, and Kubernetes using Infrastructure-as-Code and GitOps practices.
This is a deeply technical role requiring&nbsp;expert-level understanding of compute hardware management, Kubernetes, OpenStack, hypervisors and extensive working knowledge on Linux Operating systems. You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications.&nbsp;
Key Responsibilities
<ul>
<li>Lead the architecture and design of enterprise compute and hypervisor platform solutions across hardware, OS, virtualization, cloud orchestration, and container orchestration layers</li>
<li>Define standards and automation frameworks for bare metal provisioning and lifecycle management</li>
<li>Design and implement Bare Metal as a Service (BMaaS) capabilities for scalable infrastructure consumption</li>
<li>Architect and design Kubernetes platforms on bare metal with QoS and Affinity (ArgoCD)</li>
<li>Architect and validate automated deployments of operating systems and hypervisors including Ubuntu and Harvester</li>
<li>Design and maintain PXE-based provisioning environments leveraging Redfish APIs for large-scale server deployments</li>
<li>Develop Infrastructure-as-Code using Ansible, Terraform, Helm and Git, with Python/Bash automation.</li>
<li>Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback.</li>
<li>Design automated workflows for server build, firmware lifecycle management, patching, and hardware validation</li>
<li>Evaluate and standardize enterprise hardware platforms to meet performance, scalability, and reliability requirements</li>
<li>Produce detailed high-level and low-level design documentation, build guides, and operational handoff materials</li>
<li>Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems</li>
<li>Partner with operations, network, storage, and platform teams to ensure designs are supportable and production-ready</li>
<li>Participate in on-call escalation support for complex platform-related issues</li>
<li>Collaborate globally on change management, documentation, and operational best practices.</li>
</ul>
Minimum Qualifications
<ul>
<li>6+ years of experience in infrastructure engineering, platform engineering, or DevOps with a strong focus on Compute system design</li>
<li>Proven experience designing and automating bare metal compute environments at scale</li>
<li>Strong hands-on experience with PXE boot, network-based OS provisioning, and automated server imaging</li>
<li>Experience implementing or supporting Bare Metal as a Service (BMaaS) platforms</li>
<li>Practical experience using Redfish APIs for hardware provisioning, power management, and remote lifecycle operations</li>
<li>Deep expertise with Ubuntu Linux in enterprise environments</li>
<li>Strong Hands-on experience with KVM hypervisors (Suse Harvester, OpenStack).</li>
<li>Experience designing and deploying production-grade Kubernetes clusters</li>
<li>Strong background with enterprise compute hardware platforms, including Cisco UCS, Dell PowerEdge, Supermicro systems &amp; HPE</li>
<li>Proficiency with Infrastructure as Code tools (e.g., Terraform, Ansible, or similar)</li>
<li>Experience building or supporting CI/CD pipelines for infrastructure and platform automation</li>
<li>Strong scripting skills in Python, Bash, or similar languages</li>
<li>Demonstrated ability to produce clear, structured technical design documentation</li>
<li>Excellent written and verbal communication skills</li>
<li>Bachelor’s degree in computer science or equivalent professional experience.</li>
</ul>
Preferred Qualifications&nbsp;
<ul>
<li>OpenStack, Ubuntu KVM administration.</li>
<li>BareMetal as a Service (PXE, Redfish).</li>
<li>Kubernetes on BareMetal</li>
<li>CIS/NIST security and infrastructure lifecycle management.</li>
<li>ITIL Foundation/advanced certifications in support of ITSM standard methodology.</li>
<li>Background in telco, edge cloud, or large enterprise environments.</li>
<li>Ubuntu Certifications, CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS)</li>
<li>Master’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered.</li>
</ul>
What You’ll Get&nbsp;
<ul>
<li>A collaborative team that’s deeply invested in infrastructure excellence.</li>
<li>Complex technical challenges that require creative, scalable solutions.</li>
<li>The opportunity to shape a next-generation private cloud platform-built reliability.</li>
<li>Access to the latest tools, frameworks, and upstream project developments.</li>
</ul>
Skills and Attributes:&nbsp;
<ul>
<li>Analytical Thinking &amp; Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions.</li>
<li>Collaboration &amp; Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders.</li>
<li>Mentorship &amp; Leadership: Passionate about knowledge-sharing and mentorship, with experience guiding junior engineers and fostering a team culture of continuous learning, innovation, and technical excellence in cloud engineering and DevOps practices.</li>
</ul>
&nbsp;
&nbsp;<div class="content-pay-transparency"><div class="pay-input"><div class="description">Work Location: This role is hybrid. 3 days a week (T, W, TH) in our Dallas office is required.
<hr>
As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process.&nbsp; Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.
Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.
Our total reward package also includes:
<ul>
<li>Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short &amp; Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching.</li>
<li>Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents.</li>
<li>Generous employee stock purchase plan.</li>
<li>Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave.</li>
</ul>
All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.
&nbsp;</div><div class="title">The US base salary range for this role is below. </div><div class="pay-range">$90,700&mdash;$252,200 USD</div></div></div><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law.
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

Senior Site Reliability Engineer – Compute Platforms

<div class="content-intro"><img src="https://www.five9.com/sites/default/files/2025-02/five9-logo.svg" alt="" width="100" style="max-width: 100%;">
Join us in bringing joy to customer experience. &nbsp;Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. &nbsp;&nbsp;
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.&nbsp;</div>We are seeking a highly experienced Site Site Reliability Engineer – Compute Platforms to design, implement, and support Kubernetes on baremetal and hypervisor platforms in a private cloud environment. This role is responsible for the architecture, design, and standardization of enterprise compute and hypervisor environments spanning bare metal infrastructure, operating systems, hypervisors, private cloud orchestration, and Kubernetes using Infrastructure-as-Code and GitOps practices.
This is a deeply technical role requiring&nbsp;expert-level understanding of compute hardware management, Kubernetes, OpenStack, hypervisors and extensive working knowledge on Linux Operating systems. You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications.&nbsp;
Key Responsibilities
<ul>
<li>Lead the architecture and design of enterprise compute and hypervisor platform solutions across hardware, OS, virtualization, cloud orchestration, and container orchestration layers</li>
<li>Define standards and automation frameworks for bare metal provisioning and lifecycle management</li>
<li>Design and implement Bare Metal as a Service (BMaaS) capabilities for scalable infrastructure consumption</li>
<li>Architect and design Kubernetes platforms on bare metal with QoS and Affinity (ArgoCD)</li>
<li>Architect and validate automated deployments of operating systems and hypervisors including Ubuntu and Harvester</li>
<li>Design and maintain PXE-based provisioning environments leveraging Redfish APIs for large-scale server deployments</li>
<li>Develop Infrastructure-as-Code using Ansible, Terraform, Helm and Git, with Python/Bash automation.</li>
<li>Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback.</li>
<li>Design automated workflows for server build, firmware lifecycle management, patching, and hardware validation</li>
<li>Evaluate and standardize enterprise hardware platforms to meet performance, scalability, and reliability requirements</li>
<li>Produce detailed high-level and low-level design documentation, build guides, and operational handoff materials</li>
<li>Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems</li>
<li>Partner with operations, network, storage, and platform teams to ensure designs are supportable and production-ready</li>
<li>Participate in on-call escalation support for complex platform-related issues</li>
<li>Collaborate globally on change management, documentation, and operational best practices.</li>
</ul>
Minimum Qualifications
<ul>
<li>6+ years of experience in infrastructure engineering, platform engineering, or DevOps with a strong focus on Compute system design</li>
<li>Proven experience designing and automating bare metal compute environments at scale</li>
<li>Strong hands-on experience with PXE boot, network-based OS provisioning, and automated server imaging</li>
<li>Experience implementing or supporting Bare Metal as a Service (BMaaS) platforms</li>
<li>Practical experience using Redfish APIs for hardware provisioning, power management, and remote lifecycle operations</li>
<li>Deep expertise with Ubuntu Linux in enterprise environments</li>
<li>Strong Hands-on experience with KVM hypervisors (Suse Harvester, OpenStack).</li>
<li>Experience designing and deploying production-grade Kubernetes clusters</li>
<li>Strong background with enterprise compute hardware platforms, including Cisco UCS, Dell PowerEdge, Supermicro systems &amp; HPE</li>
<li>Proficiency with Infrastructure as Code tools (e.g., Terraform, Ansible, or similar)</li>
<li>Experience building or supporting CI/CD pipelines for infrastructure and platform automation</li>
<li>Strong scripting skills in Python, Bash, or similar languages</li>
<li>Demonstrated ability to produce clear, structured technical design documentation</li>
<li>Excellent written and verbal communication skills</li>
<li>Bachelor’s degree in computer science or equivalent professional experience.</li>
</ul>
Preferred Qualifications&nbsp;
<ul>
<li>OpenStack, Ubuntu KVM administration.</li>
<li>BareMetal as a Service (PXE, Redfish).</li>
<li>Kubernetes on BareMetal</li>
<li>CIS/NIST security and infrastructure lifecycle management.</li>
<li>ITIL Foundation/advanced certifications in support of ITSM standard methodology.</li>
<li>Background in telco, edge cloud, or large enterprise environments.</li>
<li>Ubuntu Certifications, CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS)</li>
<li>Master’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered.</li>
</ul>
What You’ll Get&nbsp;
<ul>
<li>A collaborative team that’s deeply invested in infrastructure excellence.</li>
<li>Complex technical challenges that require creative, scalable solutions.</li>
<li>The opportunity to shape a next-generation private cloud platform-built reliability.</li>
<li>Access to the latest tools, frameworks, and upstream project developments.</li>
</ul>
Skills and Attributes:&nbsp;
<ul>
<li>Analytical Thinking &amp; Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions.</li>
<li>Collaboration &amp; Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders.</li>
<li>Mentorship &amp; Leadership: Passionate about knowledge-sharing and mentorship, with experience guiding junior engineers and fostering a team culture of continuous learning, innovation, and technical excellence in cloud engineering and DevOps practices.</li>
</ul><div class="content-pay-transparency"><div class="pay-input"><div class="description">Work Location: This role is hybrid. 3 days a week (T, W, TH) in our San Ramon office is required.
<hr>
As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process.&nbsp; Actual compensation packages are based on several factors that are unique to each candidate including, but not limited to: skill set, depth of experience, certifications, and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.
Additionally, the total compensation package for this position may also include an annual performance bonus, stock, and/or other applicable incentive compensation plans.
Our total reward package also includes:
<ul>
<li>Health, dental, and vision coverage, beginning on the first day of employment. Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost. We also offer Short &amp; Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching.</li>
<li>Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents.</li>
<li>Generous employee stock purchase plan.</li>
<li>Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave.</li>
</ul>
All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.</div><div class="title">The US base salary range for this role is below. </div><div class="pay-range">$90,700&mdash;$252,200 USD</div></div></div><div class="content-conclusion">Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.&nbsp;
Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at accommodations@five9.com to request an accommodation. Requests will be handled confidentially and in accordance with applicable law.
<hr>
View our privacy policy, including our privacy notice to California residents here:&nbsp;<a href="https://www.five9.com/pt-pt/legal" target="_blank">https://www.five9.com/pt-pt/legal</a>.&nbsp;&nbsp; 
Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.</div>

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