Senior OpenStack Engineer - Poland

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.