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.