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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. About Five9 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. Since 2001, Five9 has led the cloud revolution in contact centers, helping organizations transition from legacy premise-based solutions to the cloud. Five9 provides businesses with cloud contact center software that is reliable, secure, compliant and scalable, which is designed to create exceptional customer experiences, increase agent productivity and deliver tangible business results. Role Overview 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. Qualifications & Skills 5+ 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. Diversity & Inclusion 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. 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. Join the leader in cloud contact center solutions and help shape the future of Workforce Engagement! Five9 is seeking a highly technical, detail-oriented, and proactive WEM Platform Engineer / Systems Analyst to join our high-performing global operations team. In this role, you will be responsible for driving the technical readiness, configuration, and quality assurance testing of our WEM platforms. Operating as a key technical liaison, you will coordinate closely with internal Five9 teams and external vendors to facilitate seamless software deployments, migrations, and integration configurations. To excel in this role, you must possess strong technical acumen, exceptional coordination skills, and the ability to clearly articulate complex technical concepts to both technical and non-technical stakeholders. What You’ll Do As a WEM Platform Engineer, you will be accountable for the following key responsibilities: Implementation, Deployment & Migration Coordination Migration Readiness: Drive technical readiness, historical data mapping, and coordination for WEM migrations from legacy systems, partnering with implementation specialists and vendors for final execution. Release Coordination: Coordinate WEM release readiness and partner with internal Five9 release engineering teams and vendors to facilitate deployments, ensuring minimal operational disruption. Feature Enablement & Lab Testing: Own and configure advanced platform features in dedicated lab environments to perform rigorous validation and testing prior to coordinating UAT/GA promotions. Integration & Configuration Adapter Configuration & Data Import: Configure custom adapters (including Twilio, Workday, and telephony APIs) and execute historical data imports within staging environments. Data Integrity & Automation: Build and manage database mappings and establish automated daily extracts and audit reports to maintain high data quality. Support, Quality Assurance & Incident Management UAT & Defect Management: Design, write, and execute robust User Acceptance Testing (UAT) and QA protocols to identify, log, and remediate software defects prior to coordinating production releases. Collaboration, Requirements & Knowledge Leadership Cross-functional Collaboration: Represent the technical WEM operations team in weekly vendor syncs, pilot program touchpoints, and stakeholder reviews. Knowledge Leadership: Conduct regular internal knowledge-sharing sessions to the broader operations team. Author, publish, and maintain technical runbooks and standard operating procedures for adapter configurations and system resolutions. Qualifications: Education: Bachelor’s degree in Computer Science, Information Systems, or a related technical field (or equivalent work experience). Experience: A minimum of 3 years hands-on experience as a Systems Analyst, Technical Support Engineer, or Test Analyst in a Contact Center environment (CCaaS/UCaaS). WEM Expertise: Proven track record supporting or coordinating WEM platform migrations. Deep technical knowledge of Verint Cloud Services (VCS), Desktop Messaging. Verint “Badging” preferred. Technical Proficiency: Strong understanding of database structures, API integrations (e.g., Twilio, Workday), and data mapping protocols. QA & Testing: Solid background in structured software testing, test case development, and UAT execution. Incident Coordination: Demonstrated ability to troubleshoot complex technical incidents, coordinate with vendor support, and contribute to root-cause analyses. Why Join Five9 Industry leader in cloud contact center innovation, serving top global brands. Remote-first role with exposure to high-profile enterprise customers. Continuous learning with access to training, certifications, and cross-platform expertise. Collaborative, high-performance culture where your expertise directly impacts customer success. Work Location: This role is hybrid and requires 2 days a week in office. Company Benefits Company stocks Annual merit increase based on performance 15% night shift differential pay Paid Leave with Cash Conversion HMO with free dependents Retirement Plan Life Insurance While on work from home setup: Internet and meal allowance are provided Employee Assistance Program for mental and social well-being Government-mandated Benefits (SSS, PhilHealth, PagIBIG, 13 th month pay, Solo parent leave, Special leave for women) 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. Senior Software Engineer in AI - Java Spring, backend 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 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. 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. Key Responsibilities: Be part of an agile team developing a scalable, highly available application platform using modern PaaS platforms such as GCP. Utilizing Java Spring Framework and Spring Boot for creation of highly scalable, robust microservices. Reactive programming is desirable but not required. Build and scale the backend services and data pipelines that turn large volumes of customer conversations into insights. Integrate AI and LLM services into those pipelines, and make sure the insights they produce are accurate and traceable. Understand how to leverage PaaS components, such as message buses, cloud functions (lambdas), and noSQL databases when developing software in order to achieve scalability, reliability, and operability. Participate and contribute to requirements analysis and feature grooming. Document and communicate clearly architecture and implementation solutions. Have ownership of your code in production, including on-call, troubleshooting. Key Skills: 5+ years software development experience (mandatory). Highly proficient in Java - Spring Framework, Spring Boot, and REST API design. Reactive programming (rxjava or similar) is desirable but not required. Hands-on experience building AI-powered products or services, including practical LLM integration - prompt design, structured output, evaluation, and managing cost and latency. Hands-on experience designing and implementing scalable, event-driven microservices. Experience with PaaS hosted relational and no-SQL databases (mySQL, BigQuery, DataStore, Redis, etc). Experience with public cloud technologies and tools - Kubernetes, noSQL databases, message buses. Experience with large-scale data processing and analytics is a plus. Familiarity with vibe coding using different AI tools like Claude Code. Experience in developing automated test cases with modern tools such as JUnit. Experience in operational code ownership - on-call, troubleshooting, uptime. Experience in applying design patterns and separating concerns in a distributed system. Solid understanding of security best practices for protecting applications and data. Must have experience working within an Agile/Scrum team. Positive, self-motivated and enthusiastic attitude with a strong sense of ownership. Strong pro-active communication skills, both verbal and written. AI skills in speech recognition and natural language processing are a plus but not required. Experience in contact center software is a plus but not required. 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 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. 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. 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. 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.