Peraton Labs · 11 hours ago
Senior Proxmox Cluster Administrator
College Park, MD
Full-time
Onsite
Senior Level, Lead/Staff
$135K/yr - $216K/yr
12+ years expPeraton is a next-generation national security company that drives missions of consequence spanning the globe. They are seeking a Senior Proxmox Cluster Administrator to manage day-to-day operations and lifecycle management of a Proxmox virtualized environment, ensuring platform reliability and security.
ConsultingInformation ServicesMarket Research
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
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)
Qualification
Required
Minimum of 12+ years of experience and a Bachelors, 10+ years and a Masters, or 8+ years and a Ph.D. in Computer Science or related discipline. In lieu of a Bachelors degree, 4 additional years of experience is required for a total of 16 years
Senior, hands-on experience administering Linux infrastructure in production (RHEL/Ubuntu or similar)
Production experience operating a virtualization platform at scale (Proxmox VE preferred)
Automation proficiency using Ansible and scripting in Bash and/or Python
Strong foundational knowledge in: Cluster/HA concepts (quorum, failover, maintenance/rollback), Virtualization performance troubleshooting (CPU/Memory/IO contention, capacity planning), Networking (VLANs, bonding, segmentation), Storage and data protection (ZFS and/or distributed storage, backup/restore operations)
At least one active technical certification in: systems engineering, information security, networking, system administration, virtualization, IT systems management, or project management. (e.g., Security+, CISSP/CISM, CASP+, CCNA/CCNP, RHCSA/RHCE, VMware VCP, ITIL, PMP, etc.)
US Citizenship with an active/current TS/SCI w/ Polygraph
Preferred
Deep Proxmox experience related to HA tuning, corosync troubleshooting, multi-cluster scaling, and lifecycle upgrades
Advanced virtualization capabilities
Familiarity with DevSecOps/IaC best practices
Experience with security/compliance operations in controlled environments (STIG/RMF/NIST-aligned practices) and vulnerability remediation workflows
Experience with observability tooling (Prometheus/Grafana, ELK/OpenSearch, Splunk) and SLO-driven operations
Benefits
Medical
Dental
Vision
Life
Health savings account
Short/long term disability
EAP
Parental leave
401(k)
Paid time off (PTO) for vacation
Company paid holidays
Company
Peraton Labs
At Peraton Labs, we refuse to think inside the box. As Peraton’s innovation hub, we are molding the future of emerging technologies.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Stefano Galli
Chief Scientist
Recent News
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