Peraton Labs is seeking a poly cleared Senior Proxmox Cluster Administrator to own day-to-day operations and lifecycle management of a mission-critical Proxmox virtualized environment supporting a complex Multi-OS research infrastructure. You will work closely with Peraton team members, sub-contractors, as well as directly with our Maryland-based customer, in a fast-paced environment.
This role is hands-on and operationally focused, with responsibility for platform reliability, security posture, and automation maturity. Exceptional candidates for this role may also have additional experience in Linux Administration/Engineering and/or Automation/DevSecOps Engineering.
This position requires full-time on-site work at a customer site near College Park, MD.
Key responsibilities may include:
- Administer and sustain Proxmox VE clusters (quorum/corosync, HA policies, node health, upgrades, scaling, capacity forecasting)
- Standardize VM/LXC provisioning
- Lead incident response and complex troubleshooting across compute/network/storage
- Manage Proxmox host networking (Linux bridges, bonding, VLAN trunking, segmented management planes)
- Own backup/restore and DR readiness for virtualization workloads, including periodic restore validation
- Maintain platform documentation (runbooks, SOPs, diagrams, change records) and support audit-ready artifacts as required by the program
- Partner with Peraton internal, sub-contractors, and government support teams to onboard workloads safely and support continuous improvements
- Additional ability to provide support in one or more of the following:
- Maintain secure and standardized Linux services and baselines supporting the enclave (hardening, platform services, lifecycle/patch coordination, reliability improvements)
- Develop automation to reduce toil and drift (Ansible/Git-based workflows, provisioning/patch/validation pipelines, compliance evidence automation)
*This position may be eligible for an increased sign-on bonus. Eligibility, bonus amount, and applicable terms and conditions will be discussed during the recruiting process*
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