Senior OpenStack DevOps Engineer
About The Position
Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. We are seeking a highly experienced Senior OpenStack DevOps Engineer to architect, implement, and support our community-driven OpenStack-based private cloud infrastructure. You will be directly responsible for ensuring the scalability, resilience, automation, and performance optimization of our cloud environment by leveraging Infrastructure-as-Code (IaC) tools like Ansible, and Terraform, or Pulumi. This is a deeply technical role requiring expert-level understanding of OpenStack internals across major projects including Neutron, Octavia, Manila, Cinder, Nova, Ironic, and Glance. 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.
Requirements
- 5+ years of experience operating and automating large-scale OpenStack cloud environments, preferably in community-driven or upstream-contributing teams.
- Expert-level proficiency in Infrastructure-as-Code with Ansible, Terraform, or Pulumi.
- Strong hands-on knowledge of Neutron, Octavia, Manila, Cinder, Nova, Ironic, and Glance.
- Strong Linux (RHEL/CentOS/Ubuntu) systems engineering background with advanced scripting in Python, Bash, or Go.
- Fluency with Git, CI/CD pipelines, and automated test frameworks.
- Strong understanding of L2/L3 networking, SDN overlays (VXLAN, Geneve), load balancing (Octavia), and storage protocols (SDS) (iSCSI, NFS, CEPH).
- Demonstrated success building or maintaining multi-region or high-availability OpenStack clusters.
- Ability to write technical documentation and contribute to community wikis or knowledge bases.
Nice To Haves
- Experience with container technologies (e.g., Docker) and orchestration tools (e.g., Kubernetes) is a plus.
- Contributions to upstream OpenStack codebases or participation in SIGs/WGs.
- Familiarity with RBAC, Keystone federation, Barbican (secrets management), and Ceilometer/Gnocchi/Aodh.
- Understanding of security best practices for tenant isolation, microsegmentation, and compliance (e.g., CIS, NIST).
- Background in telco, edge cloud, or large enterprise infrastructure environments.
- Experience building and maintaining automated test environments for OpenStack upgrades and validation (e.g., Tempest, Rally, or custom test harnesses).
- Bachelor’s degree in computer science, IT, Engineering, or a related field preferred; equivalent experience and relevant industry certifications will also be considered.
Responsibilities
- Design and implement multi-tenant OpenStack infrastructure aligned with open community standards, including network service isolation and tenant-aware resource scheduling.
- Automate the provisioning, lifecycle management, and configuration of OpenStack services and supporting components using Ansible, Terraform, or Pulumi.
- Extend and maintain integrations for core OpenStack services: Neutron, Octavia, Manila, Cinder, Nova, Ironic, and Glance.
- Contribute to upstream OpenStack projects when needed (bug fixes, driver enhancements, documentation).
- Implement continuous delivery pipelines for OpenStack updates, including patch management, service upgrade testing, and rollback procedures.
- Develop automated monitoring, alerting, and healing mechanisms using GitOps principles and observability stacks (e.g., Prometheus, Loki, Grafana).
- Harden services for high availability, disaster recovery, and scale-out operations.
- Perform deep-dive troubleshooting and performance analysis of OpenStack services across control and data planes.
- Participate in on-call rotation, incident response, and root cause analysis for platform reliability issues.
Benefits
- Health, dental, and vision coverage, beginning on the first day of employment.
- Five9 covers 100% of the employee portion of the health, dental and vision coverage and shares a high portion of the dependent cost.
- Short & Long-Term Disability
- Basic Life Insurance
- 401k saving plan with employer matching.
- Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching and self-guided mindfulness exercises for all covered employees and their covered dependents.
- Generous employee stock purchase plan.
- Paid Time Off
- Company paid holidays
- paid volunteer hours
- 12 weeks paid parental leave.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
Associate degree
