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. Orches