Senior Proxmox Cluster Lead — On‑Site, TS/SCI Ready

Peraton; College Park (MD); On-site; USD 120,000 - 190,000; Full time

Job summary

A leading technology services provider is seeking a Senior Proxmox Cluster Administrator to manage critical virtualized environments in College Park, MD. The role focuses on hands-on operations, ensuring platform reliability and security posture, and includes responsibilities like administering Proxmox VE clusters and leading incident response efforts. Ideal candidates will have substantial experience with Linux administration and virtualization, along with relevant certifications. This position requires full-time on-site work and US citizenship with TS/SCI clearance.

Qualifications

• Minimum of 12+ years of experience and a Bachelor's, 10+ years and a Master's, or 8+ years and a Ph.D. in Computer Science or related discipline.
• Senior experience administering Linux infrastructure in production (RHEL/Ubuntu).
• Experience operating a virtualization platform at scale.
• Proficiency in automation using Ansible and scripting in Bash and/or Python.
• At least one active technical certification in systems engineering, information security, or related fields.
• US Citizenship with an active/current TS/SCI w/ Polygraph.

Responsibilities

• Administer and sustain Proxmox VE clusters.
• Standardize VM/LXC provisioning.
• Lead incident response and troubleshooting across compute/network/storage.
• Manage Proxmox host networking.
• Own backup/restore and DR readiness for virtualization workloads.
• Maintain platform documentation and support audit-ready artifacts.
• Partner with teams to onboard workloads and enhance operations.

Skills

Linux administration

Automation with Ansible

Scripting in Bash/Python

Virtualization (Proxmox VE)

Networking (VLANs, bonding)

Storage management (ZFS)

Education

Bachelor's degree in Computer Science or related discipline

Master's degree in Computer Science or related discipline

Ph.D. in Computer Science or related discipline

Tools

Proxmox VE

Ansible

Prometheus/Grafana

ELK/OpenSearch

Splunk

Job description

A leading technology services provider is seeking a Senior Proxmox Cluster Administrator to manage critical virtualized environments in College Park, MD. The role focuses on hands-on operations, ensuring platform reliability and security posture, and includes responsibilities like administering Proxmox VE clusters and leading incident response efforts. Ideal candidates will have substantial experience with Linux administration and virtualization, along with relevant certifications. This position requires full-time on-site work and US citizenship with TS/SCI clearance.