Five9

Senior Site Reliability Engineer - Compute Platforms

Five9
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15 days ago
San Ramon, CA, USASenior
H1B sponsor

Base Salary

$91k - $252k/yr

Responsibilities

  • Lead architecture and design of enterprise compute and hypervisor platforms across hardware, operating systems, virtualization, cloud orchestration, and container orchestration layers.
  • Define automation standards and frameworks for bare-metal provisioning, lifecycle management, server imaging, patching, upgrades, and rollback.
  • Design and implement Bare Metal as a Service capabilities and production-grade Kubernetes platforms on bare metal.
  • Create PXE-based provisioning environments using Redfish APIs for large-scale server deployment and hardware lifecycle operations.
  • Develop Infrastructure-as-Code and GitOps automation with Ansible, Terraform, Helm, Git, Python, and Bash.
  • Build and support CI/CD pipelines for infrastructure updates, testing, patching, upgrades, and rollback.
  • Evaluate enterprise hardware platforms and design automated firmware lifecycle and hardware-validation workflows.
  • Produce high-level and low-level designs, build guides, operational handoff materials, and other technical documentation.
  • Troubleshoot storage, Kubernetes, hypervisors, networking, and Linux systems in production environments.
  • Partner with operations, network, storage, platform, security, and product teams to deliver supportable and production-ready designs.
  • Participate in on-call escalation support for complex platform issues and collaborate globally on change management and operational best practices.

Requirements

  • At least 6 years of experience in infrastructure engineering, platform engineering, or DevOps focused on compute system design.
  • Proven experience designing and automating bare-metal compute environments at scale.
  • Strong hands-on experience with PXE boot, network-based operating-system provisioning, and automated server imaging.
  • Experience implementing or supporting Bare Metal as a Service platforms and using Redfish APIs for provisioning, power management, and remote lifecycle operations.
  • Deep enterprise experience with Ubuntu Linux.
  • Strong hands-on experience with KVM hypervisors, SUSE Harvester, and OpenStack.
  • Experience designing and deploying production-grade Kubernetes clusters, including Kubernetes on bare metal.
  • Experience with enterprise compute hardware such as 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 and communicate effectively in writing and verbally.
  • Bachelor’s degree in computer science or equivalent professional experience.
  • Preferred qualifications include OpenStack and Ubuntu KVM administration, CIS/NIST security practices, infrastructure lifecycle management, ITIL certifications, telco or edge-cloud experience, and Ubuntu, CKA, or CKS certifications.
  • A master’s degree in computer science, IT, engineering, or a related field is preferred; equivalent experience and relevant industry certifications are also considered.

Benefits

  • Hybrid work arrangement requiring three days per week—Tuesday through Thursday—in the San Ramon office.
  • Health, dental, and vision coverage beginning on the first day of employment, with Five9 covering 100% of the employee portion.
  • Short- and long-term disability coverage, basic life insurance, and a 401(k) plan with employer matching.
  • Mental-health support platform with therapy, coaching, and mindfulness resources for covered employees and dependents.
  • Employee stock purchase plan, paid time off, company-paid holidays, paid volunteer hours, and 12 weeks of paid parental leave.
  • Opportunity to work on complex infrastructure challenges and shape a next-generation private-cloud platform.

Tech Stack

AnsibleBashGitHelmKubernetesLinuxOpenStackPythonTerraform

Categories

DevOpsSite Reliability
Five9

About Five9

1,001-5,000 employees

Five9 builds cloud contact center software (CCaaS) for enterprises to manage voice and digital customer interactions, powered by AI for routing, automation, and analytics. It sells its platform as SaaS with modules for IVR, outbound dialers, agent desktop, workforce engagement, and CRM integrations such as Salesforce and ServiceNow. The company is headquartered in San Ramon, CA, serves 2,500+ customers globally, and is a public company listed on Nasdaq (also BMV).

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