Senior Site Reliability Engineer - Storage Platforms

Five9 • San Ramon, CA

14h • $90,700 - $252,200 • Hybrid

About The Position

Five9 is seeking a highly experienced Senior Site Reliability Engineer – Storage Platforms to design, implement, and support Software Defined Storage (SDS) and Kubernetes platforms in a private cloud environment. The role focuses on scalability, resilience, automation, and performance using Infrastructure-as-Code and GitOps practices. It requires expert-level understanding of Software Defined Storage and Kubernetes, and extensive working knowledge of Linux operating systems. The engineer will collaborate with platform and SRE teams to maintain secure, performant, multi-tenant-isolated services for high-throughput, mission-critical applications.

The role is hybrid, requiring three days per week (Tuesday, Wednesday, and Thursday) at the San Ramon office. The position includes participation in on-call rotations, incident response, and root cause analysis.

Requirements

• At least 6 years of experience managing enterprise storage and Kubernetes platforms on Linux.
• Strong hands-on experience with SDS solutions such as Ceph and Longhorn, and storage migrations from legacy systems.
• Experience with block, file, and object storage, including Fibre Channel and IP-based protocols.
• Experience with NVMe-oF or iSCSI fabrics.
• Expert knowledge of Kubernetes and Linux systems, including Ubuntu and RHEL/CentOS.
• Proficiency with Infrastructure-as-Code tools, including Ansible and Terraform.
• Strong scripting skills in Python and Bash.
• Strong working knowledge of Enterprise DNS and integrations with Kubernetes.
• Experience operating 24x7 mission-critical production environments.
• Hands-on experience with KVM hypervisors, such as Suse Harvester and OpenStack.
• Strong written and verbal communication skills.
• Proficiency with Git, CI/CD pipelines, and automated testing frameworks.
• Ability to write technical documentation and contribute to community wikis or knowledge bases.
• Bachelor’s degree in computer science or equivalent professional experience.
• Analytical thinking and problem-solving skills to translate complex, cross-domain requirements into scalable and resilient cloud infrastructure and automation solutions.
• Strong interpersonal and communication skills, with the ability to collaborate across multidisciplinary teams, including developers, operations, security, and product stakeholders.
• The position requires three days a week (Tuesday, Wednesday, and Thursday) in the San Ramon office.

Nice To Haves

• Golang (Go) skills.
• OpenStack Cinder multi-backend administration.
• Experience with backup platforms such as Rubrik.
• Understanding of CIS/NIST security and infrastructure lifecycle management.
• ITIL Foundation or advanced certifications supporting ITSM methodology.
• Background in telco, edge cloud, or large enterprise environments.
• CNCF Certified Kubernetes Administrator (CKA), Certified Kubernetes Security Specialist (CKS), or Red Hat specialist in Ceph Storage Administrator (EX125) certification.
• Master’s degree in computer science, IT, engineering, or a related field; equivalent experience and relevant industry certifications will also be considered.
• Experience guiding junior engineers and fostering team learning, innovation, and technical excellence.

Responsibilities

• Design, implement, and operate large-scale Software Defined Storage architectures across private and public cloud regions within ITIL methodology.
• Deploy and support enterprise storage platforms (Pure Storage, HPE, NetApp) and SDS solutions (Ceph, Longhorn).
• Build self-service storage workflows for Kubernetes CSI and OpenStack consumers, including VM and Baremetal.
• Develop Infrastructure-as-Code using Ansible, Terraform, Helm, and Git, with Python and Bash automation.
• Implement CI/CD pipelines for infrastructure updates, patching, upgrades, testing, and rollback.
• Build observability, alerting, and auto-remediation using GitOps and tools such as Prometheus, Loki, and Grafana.
• Architect and maintain high availability, disaster recovery, and scale-out infrastructure.
• Develop and review high-level and low-level design documents for storage infrastructure.
• Perform deep troubleshooting across storage, Kubernetes, hypervisors, networking, and Linux systems.
• Participate in on-call rotations, incident response, and root cause analysis.
• Collaborate globally on change management, documentation, and operational best practices.
• Share knowledge and mentor junior engineers, fostering continuous learning, innovation, and technical excellence.

Benefits

• Health, dental, and vision coverage beginning on the first day of employment; Five9 covers 100% of the employee portion and shares a high portion of dependent costs.
• Short- and long-term disability coverage.
• 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.
• Employee stock purchase plan.
• Paid time off.
• Company-paid holidays.
• Paid volunteer hours.
• 12 weeks of paid parental leave.
• The total compensation package may include an annual performance bonus, stock, and/or other applicable incentive compensation plans.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior