Remote Senior Cybersecurity Network Engineer

Role: Senior Infrastructure Engineer Remote (US)

Job Type
Contract Due to client restrictions
- Require only Visa Independent candidates for this role Critical

Skills:
1. Ceph Storage Engineering: Expert / Advanced Design, deploy, operate, troubleshoot, and scale Ceph clusters. Strong understanding of: MON, MGR, OSD, MDS RBD CephFS RGW / object storage CRUSH maps and failure domains Pools, placement groups, replication and erasure coding Diagnose: degraded/undersized PGs slow OSDs recovery/backfill problems capacity imbalance 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 inte