Senior Site Reliability Engineer Compute Platforms

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 experiencedSenior Site Reliability Engineer – Compute Platformsto design, implement, and supportKubernetes on baremetal and hypervisor platformsin a private cloud environment. This role is responsible for thearchitecture, design, and standardizationof enterprise compute and hypervisor environments spanning bare metal infrastructure, operating systems, hypervisors, private cloud orchestration, and Kubernetes using Infrastructure-as-Code and GitOps practices.This is a deeply technical role requiringexpert-level understanding of compute hardware management, Kubernetes, OpenStack, hypervisors and extensive working knowledge on Linux Operating systems.You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications.Key ResponsibilitiesLead thearchitecture and designof enterprise compute and hypervisor platform solutions across hardware, OS, virtualization, cloud orchestration, and container orchestration layersDefine standards and automation frameworks forbare metal provisioning and lifecycle managementDesign and implementBare Metal as a Service (BMaaS)capabilities for scalable infrastructure consumptionArchitect and designKubernetes platformson bare metal with QoS and Affinity (ArgoCD)Architect and validate automated deployments of operating systems and hypervisors includingUbuntuandHarvesterDesign and maintainPXE-based provisioning environmentsleveragingRedfish APIsfor large-scale server deploymentsDevelopInfrastructure-as-Codeusing Ansible, Terraform, Helm and Git, with Python/Bash automation.ImplementCI/CD pipelinesfor infrastructure updates, patching, upgrades, testing, and rollback.Design automated workflows for server build, firmware lifecycle management, patching, and hardware validationEvaluate and standardize enterprise hardware platforms to meet performance, scalability, and reliability requirementsProduce detailedhigh-level and low-level design documentation , build guides, and operational handoff materialsPerform deep troubleshooting acrossstorage, Kubernetes, hypervisors, networking, and Linux systemsPartner with operations, network, storage, and platform teams to ensure designs are supportable and production-readyParticipate inon-call escalation supportfor complex platform-related issuesCollaborate globally onchange management , documentation, and operational best practicesMinimum Qualifications6+ years of experiencein infrastructure engineering, platform engineering, or DevOps with a strong focus on Compute system designProven experience designing and automatingbare metal compute environmentsat scaleStrong hands-on experience withPXE boot, network-based OS provisioning, and automated server imagingExperience implementing or supportingBare Metal as a Service (BMaaS)platformsPractical experience usingRedfish APIsfor hardware provisioning, power management, and remote lifecycle operationsDeep expertise withUbuntu Linuxin enterprise environmentsStrong Hands-on experience with KVM hypervisors (Suse Harvester, OpenStack).Experience designing and deployingproduction-grade Kubernetes clustersStrong background withenterprise compute hardware platforms , including Cisco UCS, Dell PowerEdge, Supermicro systems & HPEProficiency withInfrastructure as Code tools(e.g., Terraform, Ansible, or similar)Experience building or supportingCI/CD pipelinesfor infrastructure and platform automationStrong scripting skills inPython, Bash, or similar languagesDemonstrated ability to produce clear, structuredtechnical design documentationExcellent written and verbalcommunication skillsBachelor’s degree in computer science or equivalent professional experiencePreferred QualificationsOpenStack, Ubuntu KVM administration.BareMetal as a Service (PXE, Redfish).Kubernetes on BareMetalCIS/NISTsecurity and infrastructure lifecycle management.ITIL Foundation/advanced certifications in support of ITSM standard methodology.Background in telco, edge cloud, or large enterprise environments.Ubuntu Certifications, CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS)Master’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be consideredWhat You’ll GetA 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 reliabilityAccess to the latest tools, frameworks, and upstream project developmentsSkills and Attributes:Analytical Thinking & Problem Solving:Demonstrated ability to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutionsCollaboration & Teamwork:Strong interpersonal and communication skills with a proven track record of effective collaboration across multidisciplinary teams, including developers, operations, security, and product stakeholdersMentorship & 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 practicesWork Location: This role is fully remote for candidates who reside outside the 50 mile radius of our San Ramon office.For candidates who reside within 50 miles of our San Ramon location, this role is Hybrid and would require 3 days a week (M, W, TH) in our San Ramon 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. $82,300-$228,800USD 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.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.