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.
