Senior DevOps Engineer - Compute Platforms

Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. The Senior DevOps Engineer – Compute Platforms will focus on the deployment, automation, support, and continuous improvement of large-scale compute environments, particularly in Kubernetes and private cloud environments.

Responsibilities:

• 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

Requirements:

• 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 on 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
• 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