Senior OpenStack DevOps Engineer

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. Key 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 : Custom network plugins/drivers, L2/L3 routing, BGP, DHCP, and tenant network segmentation (VLAN, VXLAN, Geneve). Octavia : HA load balancing with amphora and provider drivers, TLS offloading, Layer 4/7 routing. Manila : Share drivers for NFS/CIFS, tenant access control, storage backends. Cinder : Block storage provisioning, volume snapshots, multi-attach, backend tuning. Nova