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Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. 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. Key Responsibilities: 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. You will play a critical role in developing a highly-available, highly-scalable and reliable microservices. 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. Gain deep application-level knowledge of existing systems as well as contributing to their overall design. Dive deep into the software stack to troubleshoot and provide production support as needed. Work with a team of peers, share a passion for what they’re creating and pull your own weight. Required skills : 5+ years of software development experience as part of a Java development team using Spring Framework. Experience with designing and building highly available and scalable applications. 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. Bachelor's degree in an engineering field. Desired skills: 3+ years with Cloud Platform (AWS, Azure, GCP as plus) and Spring Cloud. Experience and hands on skills with GCP Products such as Google Big Query, Cloud Storage, Cloud Functions, Pub/Sub, App Engine, Cloud SQL. Experience and hands on skills with Docker, Kubernetes. Hands on experience working as part of a Continuous Delivery team who continuously develop, test, deploy and manage production applications on Google Cloud Platform. An advanced degree in an engineering or a business discipline is highly desirable. 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. AI Engineering Manager ABOUT THE ROLE Five9 is a leading provider of cloud contact center software, bringing the power of Five9 AI and automation to organizations worldwide. The Enterprise-AI Team drives Five9's internal adoption of AI — turning emerging capability into real business outcomes across the company. The AI Engineering Manager leads the team that builds and operates Five9's internal AI solutions — the AI Automation Engineers who build solutions and automations, and the AI Platform Engineers who build and run the platform underneath them. This is a hands-on role: at least 30% of your time is spent building, reviewing, and unblocking work alongside the team, primarily in Claude — Claude Code and the Claude API / agent tooling. The rest is people leadership — managing performance, mentoring engineers, and guiding growth, while balancing delivery against the team's long-term technical health. You partner closely with the solutions architect on technical design, the program manager on roadmap and prioritization, and the enablement lead on adoption, so what the team builds ships, holds up in production, and reaches the people who need it. HOW YOU CONTRIBUTE Team leadership & people management — Lead, mentor, and develop the AI Automation and AI Platform Engineers; manage performance, run regular 1:1s, and guide career growth. Hands-on project work (30%+ of your time) — Personally build, review, and ship real project work alongside the team — solutions, automations, and platform tasks — primarily in Claude (Claude Code, the Claude API, and agent / MCP tooling). Technical excellence & standards — Drive best practices in Claude-based development, code review, and design quality; hold the team — and your own work — to the architect's standards. Delivery & roadmap execution — Partner with the program manager and business stakeholders to plan and sequence delivery; balance short-term commitments against long-term technical health. Cross-functional partnership — Work closely with the solutions architect on technical design, and with platform, security, and other engineering teams to keep the team's output integrated and secure. Quality, security & standards adherence — Ensure everything the team ships — including your own work — meets security, data-classification, and responsible-AI requirements. Coaching & growth — Support the team's professional growth through coaching, training, and knowledge-sharing; create real opportunities for skill development. Troubleshooting & unblocking — Get hands-on with complex technical problems — in Claude-driven builds and platform issues alike — and drive them to resolution. Continuous currency — Stay current on Claude and the broader AI-augmented engineering landscape so your own craft, and the team's, keep pace. SKILLS, COMPETENCIES & QUALIFICATIONS — REQUIRED Bachelor's or Master's degree in Computer Science, Engineering, or a related field. 8+ years in software or AI engineering, with 2+ years in a leadership role — including a track record of personally shipping production work, not only overseeing it. Demonstrated hands-on proficiency building with Claude — Claude Code and/or the Claude API / agent tooling — in a you-direct / AI-executes / you-verify working style. Hands-on cloud-native delivery fundamentals: Git, automated testing, CI / CD, and cloud deployment (Google Cloud preferred). Working fluency with the platform layer the team depends on: infrastructure-as-code (Terraform), containers / orchestration, and MLOps / LLMOps basics (model / agent serving, evaluation, versioning). Solid understanding of integration patterns, APIs, and data-management practices in cloud-deployed systems. Excellent communication skills, a strategic mindset, and the ability to collaborate across technical and business teams in a fast-paced environment. SKILLS, COMPETENCIES & QUALIFICATIONS — PREFERRED Experience with Google Cloud services and infrastructure-as-code / CI-CD delivery pipelines. Experience personally building AI / LLM-powered features, agents, or automations in Claude — not only directing others' builds. Contact center / CX technology exposure (Five9 or comparable). Experience partnering with product, design, or business stakeholders to shape a delivery roadmap. Prior experience standing up or scaling an engineering team's practices from an early stage. WHERE THIS ROLE SITS Primary focus: hands-on leadership of the AI engineering / builder team — At least 30% hands-on in the team's own project work — building and unblocking in Claude alongside the AI Automation Engineers and AI Platform Engineers — plus people leadership and delivery execution for both. Owns hands-on delivery, team leadership & people growth — Combines direct, in-Claude project execution with day-to-day people leadership for the builder team — coaching, performance management, and career growth. Reports to the Sr. Director; partners with the program manager — Coordinates roadmap and prioritization with the program manager; reports team outcomes up to the Sr. Director, Enterprise AI. KEY RELATIONSHIPS Direct reports: the AI Automation Engineer(s) and AI Platform Engineer(s). Reports to: Sr. Director, Enterprise AI. Key partners: the Principal AI Solutions Architect (technical design) · the AI Program Manager (roadmap and prioritization) · the AI Enablement & Learning Lead (adoption) · information security and enterprise architecture. At least 30% of this role is hands-on in the team's own Claude-based project work, not purely oversight. This role is hybrid and requires 3 days a week in office . 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. We are seeking a Staff Information Security Engineer to join Five9's Information Security team. This role will own the operationalization and ongoing maturity of Five9's Cyber Resiliency program (the practice of using tooling to continuously identify, prioritize, and remediate infrastructure resilience issues across our AWS, GCP, Azure cloud environments). You'll be responsible for program governance, tool ownership, process development, and engineering engagement to scale the program across the organization. As secondary responsibilities, you will support the Cloud Security program as a senior technical resource. Key Responsibilities: Cyber Resiliency Program (Primary) Own the operational lifecycle of the Cyber Resiliency program, including tool administration, system and resource mapping, criticality tiering, and issue triage workflows Develop and maintain program governance: process documentation, SLAs for remediation, escalation paths, and quarterly review cadences Build executive reporting for security and engineering leadership: resilience score trends, remediation velocity, IaC coverage, and risk exposure by system criticality tier Drive the communication plan for the program, ensuring engineering teams understand expectations before receiving remediation tickets Define and maintain issue prioritization frameworks that balance system criticality, environment, severity, and remediation effort Partner with engineering leads to drive remediation of infrastructure resilience issues, removing blockers and tracking progress through Jira Cloud Security (Supporting) Partner with the Cloud Security team on architecture reviews, policy development, and strategic initiatives across GCP, AWS, and Azure Develop and refine security guardrails, policy-as-code, and automated detection and response capabilities for cloud misconfigurations Evaluate and improve cloud security posture including IAM architecture, network segmentation, and workload protection Ensure cloud security solutions are under configuration management and deployed through CI/CD pipelines Requirements: 5+ years of experience in information security, with demonstrated experience in a senior technical role Experience operationalizing a security program or service: building governance, processes, and reporting, not just executing within an existing framework Deep hands-on experience with at least one major cloud platform (GCP strongly preferred), including IAM, networking, compute, and storage security Strong experience with infrastructure-as-code (Terraform required) and CI/CD pipelines Demonstrated ability to drive remediation and risk reduction across engineering teams without direct authority Experience building executive-level security reporting and metrics Excellent communication skills: able to present program status and risk to engineering leadership, security leadership, and executive audiences Self-directed with the ability to manage competing priorities across program operations and supporting workstreams Preferred Skills : Experience with cyber resilience or infrastructure resilience tooling (Gambit, Wiz, or similar CSPM/CNAPP platforms) Experience conducting risk assessments or security maturity assessments using frameworks such as NIST CSF, ISO 27001, or CMMI Background in Kubernetes security and container workload protection Experience with multi-cloud environments (GCP + AWS + Azure) Python scripting for automation and tooling Security certifications (CISSP, CCSP, SANS certifications, or similar) Prior experience in a SaaS, contact center, or communications platform environment Experience mentoring or technically leading junior engineers Workplace location : This role is hybrid and requires 3 days a week in our Porto office. Benefits: Five9 Shares Bonus Scheme 10% Flex Benefit Meal Allowance Medical Insurance Life Insurance 25 day Annual Leave + Public Holidays 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. We are looking for a Senior Information Security Engineer to join our growing Security Risk Management team. The Security Risk Management team aims to expand beyond traditional risk management; we are building an engineering driven program that designs, automates, and scales the controls, workflows, and tooling that protect Five9 and our customers. As a key contributor to the program the role supports the day-to-day execution of risk identification, assessment, treatment, and reporting across Five9's infrastructure, services, and acquisitions. You'll work directly with engineering, operations, and business stakeholders to surface security risks, drive them toward resolution, and maintain a clear picture of Five9's risk posture for leadership. Key Responsibilities: Identify, document, and assess security risks across Five9's environment, including production infrastructure, cloud services, corporate systems, and acquired platforms Maintain the Security Risk Register in Jira, ensuring risks are accurately categorized, assigned to appropriate owners, and tracked through their lifecycle Engage with service owners, engineering leads, and operations teams to establish risk ownership and drive remediation or mitigation plans Facilitate the risk acceptance process, including preparing risk acceptance documentation and coordinating approval with appropriate stakeholders Develop and deliver risk reporting for security leadership and executive audiences, including dashboards and metrics that communicate risk posture clearly Collaborate with compliance, vulnerability management, and other Information Security functions to ensure risk findings are incorporated into the broader security program Research and apply risk management frameworks and methodologies to continuously improve program maturity Contribute to the development of risk management policies, procedures, and playbooks Requirements: 3+ years of experience in information security, with at least 2 years focused on security risk management or GRC Demonstrated experience maintaining a security risk register and driving risk treatment decisions with cross-functional stakeholders Strong understanding of risk assessment methodologies (qualitative and quantitative) Familiarity with security frameworks such as NIST CSF, NIST 800-53, ISO 27001, PCI, or SOC 2 Ability to communicate security risks clearly to both technical and non-technical audiences Experience with Jira or similar tools for tracking and managing risk workflows Self-directed and comfortable engaging directly with service owners, engineers, and leadership to resolve ambiguity around risk ownership Preferred Skills : Experience with cloud environments (GCP, AWS, or Azure), particularly assessing risks related to cloud architecture and services Familiarity with vulnerability management programs and how they feed into risk management Experience supporting compliance audits or regulatory assessments (ISO 27001, SOC 2, PCI DSS) Experience building or contributing to security metrics, KPI dashboards, or executive reporting Prior work in a SaaS or contact center / communications platform environment Hands-on experience using agentic coding tools (Cursor, Claude Code, Copilot, etc.) and a working knowledge of Python Professional certification in Information Security or Risk Management (such as CISSP, CISM, CISA, CRISC, etc.) Workplace location: This role is hybrid and requires 3 days a week in our Porto office. Benefits: Five9 Shares Bonus Scheme 10% Flex Benefit Meal Allowance Medical Insurance Life Insurance 25 day Annual Leave + Public Holidays 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. About the Role We are seeking a highly experienced Sr DevOps Engineer – Storage Platforms to build, automate and operate large-scale Software Defined Storage (SDS) and Kubernetes platforms in a private cloud environment. This role focuses on Storage Engineering with Infrastructure-as-Code and GitOps practices while ensuring scalability, resilience, and performance . This is a deeply technical role requiring 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. Key Responsibilities Deploy, automate, and operate large-scale Software Defined Storage architectures across private and public cloud regions within ITIL methodology. Deploy and support enterprise storage platforms (Pure Storage, HPE, NetApp) and SDS solutions (Ceph, Longhorn). Integrate self-service storage workflows for Kubernetes CSI and OpenStack consumers (VM and Baremetal). Implement and manage backup solutions (preferably Rubik). Build and maintain Infrastructure-as-Code for storage platforms using Ansible, Terraform, Helm and Git, with Python/Bash automation. Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback. Implement and improve monitoring, alerting, and observability for storage systems (capacity, latency, IOPS, recovery health) using GitOps and tools such as Prometheus, Loki, and Grafana. Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems . Develop and maintain technical documentation , architecture diagrams, operational procedures, and runbooks Participate in on-call rotations , incident response, and root cause analysis. Collaborate globally on change management , documentation, and operational best practices. Minimum Qualifications 6+ years of experience managing enterprise storage and Kubernetes platforms on Linux. Strong hands-on experience with SDS solutions (Ceph, Longhorn) and storage migrations from legacy systems. Expertise with block, file, and object storage , including Fibre Channel (Cisco MDS) and IP-based protocols (NVMe-oF or iSCSI farbics). Expert knowledge of Kubernetes and Linux systems (Ubuntu, RHEL/CentOS). Proficiency with Infrastructure-as-Code (IaC) (Ansible, Terraform) for provisioning storage and backup schedules Expertise in backup technologies (preferably Rubik) Strong scripting skills in Python and Bash (Golang (GO) a plus). Experience operating 24x7 mission-critical production environments . Hands-on experience with KVM hypervisors (Suse Harvester, OpenStack) . Strong written and verbal communication skills. Proficiency with Git, CI/CD pipelines, and automated testing frameworks Ability to write technical documentation and contribute to community wikis or knowledge bases. Bachelor’s degree in computer science or equivalent professional experience. Preferred Qualifications O penStack Cinder multi-backend administration. Backup platforms (Rubri k ). Understanding of CIS/NIST security and infrastructure lifecycle management. ITIL Foundation/advanced certifications in support of ITSM standard methodology. Background in telco, edge cloud, or large enterprise environments. CNCF Certified Kubernetes Administrator ( CKA ), Certified Kubernetes Security Specialist ( CKS ) or Red Hat specialist in Ceph Storage Administrator (EX125) certifications . Master ’s degree in computer science , IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered. What You’ll Get A collaborative team that’s deeply invested in infrastructure excellence. Complex technical challenges that require creative, scalable solutions. The opportunity to shape a next-generation private cloud platform-built reliability . Access to the latest tools, frameworks, and upstream project developments. Skills and Attributes: Analytical Thinking & Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions. Collaboration & Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders. Mentorship & 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. This role is hybrid and requires 3 days a week in office . 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. To complement our rapid growth, we are actively sourcing for a Network Engineer to operate in a 24/7 Software-as-a-Service (SaaS) environment maintaining IP Networking components in a production setting. In this role you will: Design, engineer, and oversee highly scalable CI/CD pipelines for automated testing, digital-twin dry-running, and zero-downtime deployment of configurations across massive physical and virtual network fabrics. Champion the "Network-as-Code" paradigm, establishing enterprise-wide GitOps workflows and enforcing source control (Git) as the absolute single source of truth for all network state, policy, and infrastructure design. Drive the strategic vision for network automation, designing complex, reusable code frameworks and Playbooks to permanently eliminate manual configuration and operational "toil" at a global scale. Design and optimize massive-scale software-defined networks (SDN) and container networking interfaces (CNIs) supporting ultra-high-throughput, multi-region cloud and bare-metal environments. Serve as the ultimate technical authority (SME / Tier 4) for complex network, routing, and overlay issues, rapidly deciphering and resolving the most difficult challenges across physical underlays and software-defined layers. Design and implement next-generation telemetry, monitoring, and alerting-as-code platforms, leveraging advanced heuristics for proactive auto-remediation of performance, security, and capacity issues. Key Responsibilities: Partner at a strategic level with Enterprise Designers, SRE leaders, and Platform teams to build and implement highly resilient, secure, and multi-tenant-isolated network infrastructure. Establish coding standards and write/review sophisticated Infrastructure-as-Code (IaC) using Ansible, Terraform, Helm, Python, and Bash. Lead the engineering, deployment, and optimization of modern overlay and container networking solutions, particularly VXLAN, OVN (Open Virtual Network), and Project Calico. Design the automation of complex security and traffic management policies across enterprise-grade firewalls (Palo Alto/Fortinet) and load balancers (F5 BIG-IP/Cloudflare/Octavia). Embed "Security-as-Code" directly into CI/CD pipelines, engineering automated validation gates for security groups, ACLs, and firewall rules prior to production pushes. Engineer robust, automated network validation suites to continuously verify network health, state, and complex routing tables (BGP, OSPF) pre- and post-deployment. Drive the adoption of code-based infrastructure definitions and dynamic, living technical documentation (e.g., NetBox, Git Markdown), setting the standard for documentation across the engineering organization. Requirements: 8+ years of progressive experience in Network Engineering, DevOps, or SRE roles, with a deeply established focus on large-scale network design, automation, and Infrastructure-as-Code (IaC). Expert-level proficiency in engineering complex network automation tooling utilizing Ansible, Terraform, and Python (including deep experience with network-specific libraries like Netmiko, Nornir, or NAPALM). Deep design and operational expertise with massive-scale software-defined networks (SDN) and overlays, specifically VXLAN, OVN, and Project Calico. Advanced mastery of Kubernetes networking designs (CNIs, Ingress controllers, Service Mesh, Kube-Proxy behaviors) at an enterprise scale. Extensive, expert-level experience engineering and automating enterprise edge, routing, and security fabrics, including Cisco Nexus (9k/7k/5k/2k), Arista, Versa SD-WAN, and firewalls (Palo Alto and Fortinet). Authoritative knowledge of API-driven application delivery and load balancing across monolithic and cloud-native stacks (e.g., F5 BIG-IP AS3, Cloudflare APIs, Octavia LBaaS). Deep Linux internals and networking expertise, including advanced knowledge of Linux network namespaces, virtual interfaces, eBPF/iptables, and kernel-level routing. CCIE-level (or equivalent) mastery of core routing protocols (BGP, OSPF, MPLS, EVPN) and a comprehensive understanding of how virtual/container overlay networks map to physical underlays. Extensive experience designing and scaling CI/CD platforms (e.g., GitLab CI, Jenkins, GitHub Actions) and implementing test-driven development (TDD) for infrastructure changes. Unparalleled troubleshooting capabilities utilizing advanced packet analysis (tcpdump/Wireshark), NetFlow, and log aggregation platforms to trace asymmetric routing and microburst traffic across hybrid fabrics. Proven track record of technical leadership, including mentoring mid-level engineers, leading design review boards, and driving cross-functional engineering initiatives. Deep telecommunications background—specifically VoIP, RTP, SIP peering/trunking, and Session Border Controllers (SBC)—is highly advantageous. Exceptional verbal and written communication skills, with the ability to translate complex technical concepts to executive stakeholders while fostering a collaborative, DevOps-oriented engineering culture. This role is fully remote for candidates who reside further than a 30 kilometer driving distance from either our Bangalore or Chennai offices . C andidates who reside within a 30 kilometer driving distance of one of our office location s w ould be require d to work in-office 3 days a week. 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. We are seeking a highly experienced Senior DevOps Engineer – Infra Services with strong operational expertise in enterprise DNS platforms to implement and support our current and future DNS & Kubernetes architecture in private cloud. You will be directly responsible for ensuring the scalability, resilience, automation, and performance optimization of our DNS & Kubernetes environment by leveraging Infrastructure-as-Code (IaC) tools like Ansible, Python and Terraform This is a deeply technical role requiring expert-level understanding of DNS, 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. Key Responsibilities Implementand support large scale DNS Architecture that stretches private & public cloud across multiple regions. Implement and support Infoblox DDI solutions (DNS, IPAM, DHCP), Cloudflare DNS management, Google & AWS DNS services . Implement and support multi-tenant Kubernetes clusters leveraging BareMetal servers and Software defined storage protocols. Implement Infrastructure as code leveraging CI/CD automation, Ansible, Terraform/Pulumi, Python and Bash for automated provisioning of DNS services. Implementcontinuous delivery pipelines for Infrastructure updates, including patch management, service upgrade testing, and rollback procedures. Develop automated monitoring, alerting, and healing mechanisms using GitOps principles and observability stacks (e.g., Prometheus, Loki, Grafana). Harden services for high availability, disaster recovery, and scale-out operations. Perform deep-dive troubleshooting and performance analysis of Infrastructure services across hypervisors, backend storage protocols and networking layers. Be involved in Change management and Global team collaboration Participate in on-call rotation, incident response, and root cause analysis for platform reliability issues. Minimum Qualifications 5+ in managing global DNS & Kubernetes on Linux Operating Systems. Expertise with Infoblox DDI systems (or similar enterprise DNS systems), Bind9, CloudFlare, GCP and AWS DNS services. Expert knowledge in managing Kubernetes and Ubuntu Linux systems. Proven experience automating infrastructure processes and deployments using Ansible, Terraform, Python, and CI/CD pipelines , with demonstrated ability to drive and scale a culture of automation. Strong Linux (RHEL/CentOS/Ubuntu) systems engineering background with advanced scripting inPython, Bash, or Familiar with various Infrastructure technology stacks like Hypervisor Technologies (KVM, Vsphere,), storage protocols (SDS) (iSCSI, NFS, CEPH), L2/L3 Networking Strong experience supporting mission critical 24x7 customer facing production environments. Ability to write technical documentation and contribute to community wikis or knowledge bases. Preferred Qualifications Good understanding of overall Enterprise Common Infrastructure service implementations with a focus on DNS & Kubernetes. Understanding of security best practices for system patching and security compliance (e.g., CIS, NIST). Background in telco, edge cloud, or large enterprise infrastructure environments. Experience building and maintainingautomated test environments for system upgrades and DNS migrations. Bachelor’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered. What You’ll Get A collaborative team that’s deeply invested in infrastructure excellence. Complex technical challenges that require creative, scalable solutions. The opportunity to shape a next-generation private cloud platform-built reliability. Access to the latest tools, frameworks, and upstream project developments. Skills and Attributes: Analytical Thinking & Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions. Collaboration & Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders. Mentorship & 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. Work Location: This role is fully remote for candidates who reside outside the 30 mile radius of one of our offices. For candidates who reside within a 30 mile radius of one of our offices, this role is Hybrid and would require 3 days a week (T, W, TH) in office. As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process. 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: 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 & Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching. 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. Generous employee stock purchase plan. Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave. 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. The US base salary range for this role is below. $90,700 — $252,200 USD 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. 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. We are seeking a highly experienced Senior OpenStack DevOps Engineer to architect, implement, and support our community-driven OpenStack-based private cloud infrastructure. You will be directly responsible for ensuring the scalability, resilience, automation, and performance optimization of our cloud environment by leveraging Infrastructure-as-Code (IaC) tools like Ansible , and Terraform, or Pulumi . This is a deeply technical role requiring expert-level understanding of OpenStack internals across major projects including Neutron, Octavia, Manila, Cinder, Nova, Ironic, and Glance . 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. Key Responsibilities Design and implement multi-tenant OpenStack infrastructure aligned with open community standards, including network service isolation and tenant-aware resource scheduling. Automate the provisioning, lifecycle management, and configuration of OpenStack services and supporting components using Ansible , Terraform , or Pulumi . Extend and maintain integrations for core OpenStack services: Neutron : Custom network plugins/drivers, L2/L3 routing, BGP, DHCP, and tenant network segmentation (VLAN, VXLAN, Geneve). Octavia : HA load balancing with amphora and provider drivers, TLS offloading, Layer 4/7 routing. Manila : Share drivers for NFS/CIFS, tenant access control, storage backends. Cinder : Block storage provisioning, volume snapshots, multi-attach, backend tuning. Nova : Compute resource scheduling, NUMA/cpu pinning, SR-IOV and PCI passthrough. Ironic : Bare metal provisioning workflows, BIOS/IPMI automation, PXE and UEFI boot configuration. Glance : Image lifecycle management, backing store optimization, image caching strategies. Contribute to upstream OpenStack projects when needed (bug fixes, driver enhancements, documentation). Implement continuous delivery pipelines for OpenStack updates, including patch management, service upgrade testing, and rollback procedures. Develop automated monitoring, alerting, and healing mechanisms using GitOps principles and observability stacks (e.g., Prometheus, Loki, Grafana). Harden services for high availability, disaster recovery, and scale-out operations. Perform deep-dive troubleshooting and performance analysis of OpenStack services across control and data planes. Participate in on-call rotation, incident response, and root cause analysis for platform reliability issues. Minimum Qualifications 5+ years of experience operating and automating large-scale OpenStack cloud environments , preferably in community-driven or upstream-contributing teams. Expert-level proficiency in Infrastructure-as-Code with Ansible , Terraform , or Pulumi . Strong hands-on knowledge of Neutron , Octavia , Manila , Cinder , Nova , Ironic , and Glance . Strong Linux (RHEL/CentOS/Ubuntu) systems engineering background with advanced scripting in Python , Bash , or Go . Fluency with Git , CI/CD pipelines , and automated test frameworks . Strong understanding of L2/L3 networking , SDN overlays (VXLAN, Geneve), load balancing (Octavia), and storage protocols (SDS) (iSCSI, NFS, CEPH). Demonstrated success building or maintaining multi-region or high-availability OpenStack clusters . Experience with container technologies (e.g., Docker) and orchestration tools (e.g., Kubernetes) is a plus. Ability to write technical documentation and contribute to community wikis or knowledge bases. Preferred Qualifications Contributions to upstream OpenStack codebases or participation in SIGs/WGs. Familiarity with RBAC , Keystone federation , Barbican (secrets management), and Ceilometer/Gnocchi/Aodh . Understanding of security best practices for tenant isolation, microsegmentation, and compliance (e.g., CIS, NIST). Background in telco, edge cloud, or large enterprise infrastructure environments. Experience building and maintaining automated test environments for OpenStack upgrades and validation (e.g., Tempest, Rally, or custom test harnesses). Bachelor’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered. What You’ll Get A collaborative team that’s deeply invested in open source , community contribution, and infrastructure excellence. Complex technical challenges that require creative, scalable solutions. The opportunity to shape a next-generation private cloud platform built on true open infrastructure principles . Access to the latest tools, frameworks, and upstream project developments. Skills and Attributes: Analytical Thinking & Problem Solving: Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions. Collaboration & Teamwork: Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholders. Mentorship & 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. Work Location: This role is fully remote for candidates who reside outside the 30 mile radius of one of our offices. For candidates who reside within a 30 mile radius of one of our offices, this role is Hybrid and would require 3 days a week (T, W, TH) in office. As part of our continued commitment to diversity, equity, and inclusion, Five9 supports pay transparency during the entire recruitment process. 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: 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 & Long-Term Disability, Basic Life Insurance, and a 401k saving plan with employer matching. 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. Generous employee stock purchase plan. Paid Time Off, Company paid holidays, paid volunteer hours and 12 weeks paid parental leave. 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. The US base salary range for this role is below. $90,700 — $252,200 USD 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. 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. View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal . Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.