Senior Site Reliability Engineer – Compute Platforms

Five9

. Design, implement, and support Kubernetes on bare metal and hypervisor platforms in a private cloud environment .

Posted 10/27/2026full-timeIrving • Texas • United StatesSenior💰 $90,700 - $252,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing Kubernetes and Bare Metal as a Service solutions, with a strong focus on automation, infrastructure as code, and enterprise compute environments. Proficient in collaborating across teams to ensure production-ready designs and mentoring junior engineers.

Highest-signal resume keywords

Kubernetes Cluster DesignInfrastructure As Code (Terraform, Ansible)Bare Metal As A Service (BMaaS)PXE Boot ProvisioningUbuntu Linux Expertise

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

KubernetesBare Metal ProvisioningInfrastructure As CodePython ScriptingBash ScriptingRedfish APIsCI/CD PipelinesKVM HypervisorsSUSE HarvesterOpenStack

Soft Skills

Excellent Communication SkillsMentoringCollaboration

Tools & Technologies

AnsibleTerraformGitArgoCDPXEUbuntuCisco UCSDell PowerEdgeSupermicroHPE

Certifications & Qualifications

CNCF Certified Kubernetes Administrator (CKA)Certified Kubernetes Security Specialist (CKS)ITIL FoundationUbuntu Certifications

Industry Keywords

Infrastructure EngineeringPlatform EngineeringDevOpsEnterprise ComputeTelcoEdge CloudLifecycle ManagementSecurity Standards (CIS/NIST)

Tech Stack

Tools & technologies

AnsibleCloudKubernetesLinuxOpenStackPythonTerraform

About the role

Key responsibilities & impact

Design, implement, and support Kubernetes on bare metal and hypervisor platforms in a private cloud environment
Lead architecture and design of enterprise compute and hypervisor platform solutions across hardware, operating systems, virtualization, cloud orchestration, and container orchestration layers
Define standards and automation frameworks for bare metal provisioning and lifecycle management
Design and implement Bare Metal as a Service capabilities for scalable infrastructure consumption
Architect Kubernetes platforms on bare metal with QoS and affinity using ArgoCD
Architect and validate automated Ubuntu and Harvester operating-system and hypervisor deployments
Design and maintain PXE-based provisioning environments using Redfish APIs for large-scale server deployments
Develop Infrastructure-as-Code with Ansible, Terraform, Helm, Git, Python, and Bash automation
Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback
Design automated workflows for server builds, firmware lifecycle management, patching, and hardware validation
Evaluate and standardize enterprise hardware platforms for performance, scalability, and reliability
Produce high-level and low-level design documentation, build guides, and operational handoff materials
Troubleshoot storage, Kubernetes, hypervisors, networking, and Linux systems
Partner with operations, network, storage, and platform teams to ensure production-ready designs
Participate in on-call escalation support for complex platform issues
Collaborate globally on change management, documentation, and operational best practices
Mentor junior engineers and foster continuous learning, innovation, and technical excellence

Requirements

What you’ll need

6+ years of experience in infrastructure engineering, platform engineering, or DevOps with a strong focus on compute system design
Proven experience designing and automating bare metal compute environments at scale
Strong hands-on experience with PXE boot, network-based OS provisioning, and automated server imaging
Experience implementing or supporting Bare Metal as a Service (BMaaS) platforms
Practical experience using Redfish APIs for hardware provisioning, power management, and remote lifecycle operations
Deep expertise with Ubuntu Linux in enterprise environments
Strong hands-on experience with KVM hypervisors, SUSE Harvester, and OpenStack
Experience designing and deploying production-grade Kubernetes clusters
Strong background with enterprise compute hardware platforms, including Cisco UCS, Dell PowerEdge, Supermicro systems, and HPE
Proficiency with Infrastructure as Code tools such as Terraform and Ansible
Experience building or supporting CI/CD pipelines for infrastructure and platform automation
Strong scripting skills in Python, Bash, or similar languages
Ability to produce clear, structured technical design documentation
Excellent written and verbal communication skills
Bachelor’s degree in computer science or equivalent professional experience
Preferred: OpenStack and Ubuntu KVM administration
Preferred: BareMetal as a Service, PXE, and Redfish
Preferred: Kubernetes on BareMetal
Preferred: CIS/NIST security and infrastructure lifecycle management
Preferred: ITIL Foundation/advanced certifications
Preferred: background in telco, edge cloud, or large enterprise environments
Preferred: Ubuntu certifications, CNCF Certified Kubernetes Administrator (CKA), or Certified Kubernetes Security Specialist (CKS)
Preferred: Master’s degree in computer science, IT, Engineering, or related field; equivalent experience and relevant industry certifications also considered

Benefits

Comp & perks

Annual performance bonus, stock, and/or other applicable incentive compensation plans
Health, dental, and vision coverage beginning on the first day of employment
Five9 covers 100% of the employee portion of health, dental, and vision coverage and shares a high portion of dependent cost
Short- and long-term disability insurance
Basic life insurance
401(k) savings plan with employer matching
Mental health support platform with therapy, coaching, and self-guided mindfulness resources for covered employees and dependents
Generous employee stock purchase plan
Paid time off
Company-paid holidays
Paid volunteer hours
12 weeks paid parental leave
Access to the latest tools, frameworks, and upstream project developments