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NightwingPosted 1 month ago

Senior Proxmox Cluster Engineer

$122,000–$253,000 year

On-siteAnnapolis Junction, Maryland, United States

Full TimeSenior LevelLargeCybersecurity Services

Job Summary

Operate and maintain Proxmox VE clusters, including quorum health, HA configuration, and node lifecycle management. Establish standardized workflows for VM and container provisioning while troubleshooting complex issues spanning compute, networking, and storage layers. Implement and oversee backup strategies, conducting regular restore drills to validate recovery procedures. Create operational documentation, runbooks, and compliance artifacts aligned with program security and audit requirements. Collaborate with Nightwing engineers, mission partners, and government personnel to safely integrate new workloads and lead platform enhancements. Full-time onsite at National Business Park, Maryland; salary commensurate with qualifications ($122,000-$253,000). Requires active TS/SCI clearance with polygraph and 10+ years of relevant experience.

Required Qualifications

  • U.S. Citizenship
  • Active TS/SCI clearance with polygraph
  • 10+ years of relevant experience
  • Bachelor's degree
  • Current industry certification in one of the following domains: Systems administration, information security, networking, virtualization, IT management, or project management
  • Proven Linux administration experience in production settings (RHEL, Ubuntu, or equivalent distributions)
  • Operational background managing virtualization platforms at scale (Proxmox VE strongly preferred)
  • Proficient in automation using Ansible and scripting with Bash and Python
  • Understanding of quorum mechanics, failover processes, and maintenance procedures
  • Diagnosing resource contention (CPU/memory/I/O), capacity forecasting
  • Network architecture: VLANs, link aggregation, traffic segmentation
  • Experience with ZFS, Ceph, or distributed storage, backup/restore methodologies
  • Full-time onsite at National Business Park, Maryland

Desired Qualifications

  • 6+ years with a Master's degree
  • 4+ years with a Ph.D. in Computer Science, Information Technology, or related field
  • 14+ years of experience may substitute for a degree
  • Advanced Proxmox expertise: HA optimization, corosync diagnostics, multi-cluster architectures, version migrations
  • Beyond-basic virtualization skills demonstrating platform design or architectural capabilities
  • DevSecOps/Infrastructure as Code: GitOps methodologies, declarative infrastructure management
  • Compliance & security operations: Hands-on experience with STIG implementations, RMF processes, NIST controls, and vulnerability management in classified environments
  • Monitoring & observability: Familiarity with Prometheus, Grafana, ELK Stack, OpenSearch, Splunk, or SLO-based operational practices

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