Senior OpenStack Engineer - Poland

This is a remote position. Primary Responsibilities 1. OpenStack Architecture & Platform Engineering • Design production-grade OpenStack environments across controller, compute, and storage nodes. • Architect HA control planes using HAProxy, Keepalived, Galera, and RabbitMQ clustering. • Build scalable cell-based Nova architectures. • Implement multi-region replication strategies. • Perform platform capacity modeling and growth forecasting. 2. Compute Virtualization (Nova) • Nova scheduler tuning and filters. • CPU pinning and isolation. • NUMA topology alignment. • HugePages configuration. • Live migrations and evacuations. • GPU passthrough and SR-IOV provisioning. Hypervisor stack includes KVM, QEMU, Libvirt, and VirtIO. 3. Networking & SDN (Neutron) • ML2 plugin architecture. • OVS, OVN, Linux Bridge deployments. • VXLAN, Geneve, VLAN overlays. • DVR and L3 routing. • Floating IP NAT design. • SR-IOV and DPDK acceleration. • Integration with BGP EVPN, MPLS, VRFs, and SD-WAN. 4. Storage Engineering Ceph (Primary Requirement) • RBD block storage. • CephFS and RGW object storage. • CRUSH map tuning. • Placement group optimization. • BlueStore performance tuning. • NVMe and SSD tiering. Additional exposure to Linstor, DRBD, iSCSI, and NVMe-oF preferred. 5. Image & Lifecycle Services • Glance image pipelines. • QCOW2 optimization. • Cloud-init automation. • Golden image lifecycle management. 6. Identity & Access (Keystone) • RBAC modeling. • LDAP/AD integration. • SAML/SSO federation. • Token lifecycle management. 7. Orchestration & Automation • Heat orchestration templates. • Terraform automation. • Ansible playbooks. • CI/CD for infrastructure. Deployment frameworks include Kolla-Ansible, OpenStack-Ansible, TripleO, and MAAS/Juju. 8. Kubernetes & Containerized Control Planes • Operate OpenStack on Kubernetes. • Helm/Operator-based deployments. • Pod and persistent volume troubleshooting. 9. Bare Metal Provisioning (Ironic) • PXE/iPXE pipelines. • Hardware introspection. • Integration with MAAS/Foreman. 10. Observability & Reliability Engineering • Prometheus and Grafana monitoring. • ELK logging pipelines. • Incident response and RCA. • SLA tracking and alert tuning. 11. Upgrade & Lifecycle Management • Major version upgrades. • Rolling compute upgrades. • Database migrations. • Zero-downtime patching. Requirements Required Technical Experience • 8-12+ years Linux systems engineering. • 5+ years OpenStack production operations. • Strong KVM virtualization expertise. • Networking: BGP, VXLAN, EVPN. • Storage: Ceph production operations. • Databases: MariaDB/Galera. • Messaging: RabbitMQ. • Automation: Ansible/Terraform. • Scripting: Python/Bash. Preferred Skills • Platform9 / Canonical / Red Hat OpenStack. • Ironic bare-metal provisioning. • DPDK / SR-IOV acceleration. • GPU workloads. • Hybrid cloud integrations. Work Model Requirements • Remote within India. • Mandatory U.S. EST shift overlap. • Night shift operations required. • On-call rotation participation. Originally posted on Himalayas