Position: Senior Infrastructure Engineer
Location: Fully Remote
Duration: Long term
Critical Skills
1. Ceph Storage Engineering: Expert / Advanced
· Design, deploy, operate, troubleshoot, and scale Ceph clusters.
· Strong understanding of:
o MON, MGR, OSD, MDS
o RBD
o CephFS
o RGW / object storage
o CRUSH maps and failure domains
o Pools, placement groups, replication, and erasure coding
· Diagnose:
o degraded/undersized PGs
o slow OSDs
o recovery/backfill problems
o capacity imbalance
o latency and throughput bottlenecks
· Understand storage networking, disk/SSD/NVMe characteristics, failure scenarios and performance tuning.
· Ability to design Ceph for large production virtualization workloads, rather than simply administer an existing cluster.
2. Proxmox VE: Advanced
Candidate should be able to:
· Design and administer multi-node Proxmox VE clusters.
· Deploy and manage KVM virtual machines.
· Understand Proxmox clustering and quorum.
· Integrate Proxmox with Ceph-backed storage.
· Configure Linux bridges, VLANs, bonding, and storage/network separation.
· Troubleshoot cluster, compute, storage, and VM problems.
· Plan node maintenance and workload evacuation.
· Design HA and failure-domain strategies.
· Perform or plan migrations from VMware/OpenStack into Proxmox.
· Understand backup/recovery architecture for Proxmox environments.
· Automate VM provisioning and lifecycle management through APIs/IaC.
3. OpenStack: Advanced
Critical knowledge:
· Nova
· Neutron
· Cinder
· Glance
· Keystone
· Horizon
· Placement
· OpenStack/Ceph integration
· Compute-node lifecycle
· Networking concepts and troubleshooting
· Instance and image lifecycle
· Upgrade planning and execution
· Troubleshooting control-plane and compute services
4. VMware vSphere: Advanced
Require knowledge of:
· ESXi
· vCenter
· VM lifecycle management
· vMotion
· HA/DRS
· Datastores and storage integration
· Virtual networking / distributed switching
· Cluster maintenance
· Resource contention
· Troubleshooting VM performance
· Migration/export/import concepts
5. Linux Systems Engineering: Expert
· RHEL / Rocky / Alma / Ubuntu
· systemd
· LVM
· multipath
· filesystems
· kernel troubleshooting
· package/repository management
· TCP/IP troubleshooting
· performance analysis
· Bash/Python scripting
6. Infrastructure as Code & Automation: Advanced
I'd explicitly require:
· Ansible
· Terraform
· Git
· CI/CD
· REST APIs
· Python and/or Bash
7. Infrastructure Networking: Advanced
Require solid knowledge of:
· TCP/IP
· VLANs / 802.1Q
· LACP/bonding
· MTU/jumbo frames
· routing
· DNS
· DHCP
· Linux bridges
· virtual networking
· storage networking
· firewall/security zones
· redundant network design
8. Bare-Metal / Data Center Infrastructure: Advanced
· Server hardware lifecycle
· Firmware / BIOS
· RAID/HBA concepts
· SSD/NVMe/SAS
· NIC configuration
· Out-of-band management
· Rack/power/network dependencies
· Hardware failure diagnosis
· Capacity planning
9. Resilience, Backup & Disaster Recovery
The engineer should understand:
· HA versus DR
· RPO/RTO
· VM backup architecture
· Ceph failure domains
· node/rack/site failure scenarios
· restore testing
· capacity headroom during failures
· maintenance without service interruption
Critical Technical Skills
· Advanced hands-on experience designing, deploying, operating, troubleshooting, and scaling Ceph distributed storage environments supporting production virtualized workloads.
· Advanced experience with Proxmox VE, including clustered virtualization, high availability, Ceph integration, networking, storage, lifecycle management, backup/recovery, and automation.
· Advanced experience administering and troubleshooting OpenStack, including Nova, Neutron, Cinder, Glance, Keystone, compute infrastructure, networking, and Ceph integration.
· Advanced experience with VMware vSphere, including ESXi, vCenter, HA/DRS, virtual networking, storage, lifecycle management, troubleshooting, and workload migration.
· Expert-level Linux engineering skills with Red Hat-derived and Ubuntu distributions in large production environments.
· Strong infrastructure-as-code and automation experience using Ansible, Terraform, Git, Python and/or Bash.
· Strong infrastructure networking knowledge including TCP/IP, VLANs, routing, bonding/LACP, MTU, DNS, firewalls, virtual networking, and high-performance storage networks.
· Experience designing and supporting bare-metal server infrastructure, including compute, storage, network interfaces, firmware, hardware lifecycle, and data-center deployment.
· Demonstrated ability to perform large-scale virtualization and storage migrations, including discovery, capacity planning, dependency analysis, migration testing, rollback planning, and post-migration validation.
· Strong understanding of high availability, backup/recovery, disaster recovery, capacity management, monitoring, performance tuning, security, and platform lifecycle management.
