[Hiring] Senior DevOps Engineer - Compute Platforms @Five9

Role Description

We are seeking a highly experienced Sr DevOps Engineer – Compute Platforms with strong operational expertise in enterprise compute platforms to implement and support Kubernetes on baremetal and hypervisor platforms in a private cloud environment. This role focuses on the deployment, automation, support, and continuous improvement of large-scale compute environments spanning bare metal infrastructure, virtualization, private cloud, and Kubernetes platforms using Infrastructure-as-Code and GitOps practices.

This is a deeply technical role requiring expert-level understanding of compute hardware management, Kubernetes, OpenStack, hypervisors, and extensive working knowledge on Linux Operating systems. You will also collaborate with platform and SRE teams to maintain secure, performant, and multi-tenant-isolated services that serve high-throughput, mission-critical applications.

• Operate and support enterprise compute platforms across hardware, OS, virtualization, and container orchestration layers
• Deploy and maintain bare metal server infrastructure for Ubuntu OS with Kubernetes and hypervisors including Openstack & Harvester
• Implement and maintain PXE-based provisioning environments leveraging Redfish APIs for large-scale server deployments
• Install, patch, and maintain operating systems including Ubuntu and Harvester
• Operate and support virtualization and private cloud platforms, including KVM on Ubuntu, OpenStack environments, and Harvester HCI
• Develop Infrastructure-as-Code using Ansible, Terraform, Helm, and Git, with Python/Bash automation
• Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback
• Perform firmware updates, patch management, and hardware health validation
• Monitor system performance, capacity, and availability; proactively address reliability risks
• Troubleshoot complex cross-stack issues spanning hardware, OS, virtualization, OpenStack, and Kubernetes
• Manage to SLAs, KPIs, and error budgets
• Participate in on-call escalation support for complex platform-related issues
• Collaborate globally on change management, documentation, and operational best practices
• Develop and maintain runbooks, operational procedures, and technical documentation

Qualifications

• 6+ years of experience as a DevOps Engineer, Site Reliability Engineer, or Infrastructure Operations Engineer with a strong focus on compute
• Strong hands-on experience operating bare metal compute environments at scale
• Experience with PXE boot, automated OS provisioning, and server imaging systems
• Practical experience supporting Bare Metal as a Service (BMaaS) platforms leveraging Redfish APIs
• Strong Linux administration skills, especially with Ubuntu
• Operational experience with virtualization and private cloud platforms, including KVM on Ubuntu, OpenStack operations and troubleshooting, Harvester HCI
• Experience deploying and operating production Kubernetes environments
• Expertise with enterprise compute hardware, including Cisco UCS, Dell PowerEdge, Supermicro systems, and HPE
• Proficiency with Infrastructure as Code tools (e.g., Terraform, Ansible, or similar)
• Experience building or supporting CI/CD pipelines for infrastructure and platform automation
• Strong scripting skills in Python, Bash, or similar languages
• Strong understanding of SRE functions like toil reduction, error budgets, and meeting SLAs
• Proven troubleshooting and root cause analysis skills in complex distributed systems
• Excellent written and verbal communication skills
• Bachelor’s degree in computer science or equivalent professional experience

Requirements

• OpenStack, Ubuntu KVM administration
• BareMetal as a Service (PXE, Redfish)
• Kubernetes on baremetal
• 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
• 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 considered

Benefits

• 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
• 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
• 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
• Generous employee stock purchase plan
• Paid Time Off, Company paid holidays, paid volunteer hours, and 12 weeks paid parental leave