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.
This position spans the Infrastructure Reliability and Platform Engineering domains with equal responsibility for OpenStack and Rancher-managed Kubernetes environments. The engineer will lead the lifecycle of both platforms ensuring scalable secure and observable foundations that support mission-critical workloads.
This role defines how Five9 builds and runs both OpenStack and Kubernetes platforms at scale ensuring parity in automation performance security and observability. By bridging the two ecosystems this engineer will enable hybrid flexibility while providing the resilient foundation on which the business depends.
The role covers:
- OpenStack: Designing automating and operating multi-tenant clusters across Nova Neutron Octavia Manila Cinder Ironic and Glance ensuring performance tenant isolation and lifecycle automation.
- Kubernetes (Rancher RKE2/K3s): Designing and maintaining bare-metal clusters with GitOps-driven automation (Fleet Argo CD Terraform Helm) optimized for performance and secured with RBAC network policies and compliance guardrails.
- Cross-Platform Integration: Enabling interoperability (e.g. Magnum storage backends network overlays) and shared observability stacks (Prometheus Grafana Loki/EFK).
- SRE Principles: Applying uniform practices across both stacks for capacity planning high availability resilience incident response and continuous improvement.
Required Expertise:
- 7 yearsin infrastructure platform or SRE engineering roles.
- Hands-on mastery of both OpenStack and Rancher Kubernetesin production with focus on automation lifecycle management and high availability.
- Proficiency withTerraform Ansible Helm Argo CD and scripting inPython/Go/Bash.
- Deep understanding ofLinux internalsand system performance.
- Proven application ofSRE practicesin high-stakes always-on environments.
- Strong experience withobservability platforms(Prometheus Grafana Loki/ELK/EFK).
Preferred Expertise:
- Advancednetworking and scheduling: VXLAN BGP NIC offload NUMA-aware scheduling SR-IOV and PCI passthrough.
- OpenStack: Magnum integration Tempest/Rally for upgrades and validation.
- Kubernetes: Rancher add-ons (Fleet Longhorn CIS Scanning) security hardening (CKA/CKS).
- Compliance: PCI FedRAMP SOC2 FIPS CIS NIST standards.
- Upstreamcontributionsto OpenStack or Kubernetes projects.
Work Location: This role is fully remote for candidates who reside outside the 50 mile radius of our San Ramon office. For candidates who reside within 50 miles of our San Ramon location this role is Hybrid and would require 3 days a week (M W TH) in our San Ramon office.
As part of our continued commitment to diversity equity and inclusion Five9 supports pay transparency during the entire recruitment process. Actual compensation packages are based on several factors that are unique to each candidate including but not limited to: skill set depth of experience certifications and specific work location. The range displayed reflects the minimum and maximum target for new hire salaries for the job across the United States. Your recruiter can share more about the specific compensation package during your hiring process.
Additionally the total compensation package for this position may also include an annual performance bonus stock and/or other applicable incentive compensation plans.
Our total reward package also includes:
- 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. We also offer Short & Long-Term Disability Basic Life Insurance and a 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 and 12 weeks paid parental leave.
All compensation and benefits are subject to the requirements and restrictions set forth in the applicable plan documents and any written agreements between the parties.
The US base salary range for this role is below.
$91500$219700 USD
Required Experience:
Senior IC