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About the Role 

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. 

Key Responsibilities

Operate and support enterprise compute platforms across hardware, OS, virtualization, and container orchestration layers

Develop and improve automation for provisioning, patching, upgrades, validation, and routine platform work using tools such as Ansible, Terraform, Helm, Git, Bash, Python, or similar technologies

Deploy and Support Ubuntu-based systems, hypervisors, Kubernetes clusters, and related platform services in day-to-day operations

Implement and maintain PXE-based provisioning environments leveraging Redfish APIs for large-scale server deployments

Operate and support virtualization and private cloud platforms, including KVM on Ubuntu, OpenStack environments and Harvester HCI

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

Minimum Qualifications

Minimum 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

Experience building and supporting CI/CD pipelines for infrastructure and platform automation

Proficiency with Infrastructure as Code tools (e.g., Terraform, Ansible, or similar)

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

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.

Preferred Qualifications 

OpenStack, Ubuntu KVM administration.

BareMetal as a Service (PXE, Redfish).

Kubernetes on BareMetal

Understanding 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.

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 [email protected] 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.