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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Proxmox Cluster Engineer - **Company:** NIGHTWING LLC - **Location:** Annapolis, MD, United States - **Experience:** Expert - **Salary:** $122,000.0 - $253,000.0 - **Contract:** Permanent contract - **Skills:** Proxmox, Link Aggregation (Ethernet), Computing Platforms, Build Automation, Bash Shell, Ubuntu (Operating System), CompTIA Security+, Cyber Security, Data Recovery, Linux, Disaster Recovery, Distributed Data Store, Failover, Monitoring of Systems, IT Management, Python (Programming Language), Linux System Administration, Network Architecture, Red Hat Enterprise Linux, Ansible, Prometheus, Runbook, Virtual Local Area Networks, Virtualization Technology, Software Vulnerability Management, Ceph (Software), Scripting, System Availability, Grafana, Git Flow, Information Technology, ZFS File System, Splunk, Devsecops, Elk Stack - **Published:** July 8, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9018169/senior-proxmox-cluster-engineer ## About the Role Experience Requirements * 10+ years of relevant experience with a Bachelor's degree * 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 Core Technical Skills * 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 Technical Foundation * High availability & clustering: Understanding of quorum mechanics, failover processes, and maintenance procedures * Performance analysis: Diagnosing resource contention (CPU/memory/I/O), capacity forecasting * Network architecture: VLANs, link aggregation, traffic segmentation * Storage systems: Experience with ZFS, Ceph, or distributed storage, backup/restore methodologies Certification Requirement * Current industry certification in one of the following domains: + Systems administration, information security, networking, virtualization, IT management, or project management + Examples: Security+, CISSP, CISM, CASP+, CCNA, CCNP, RHCSA, RHCE, VCP, ITIL, PMP Security Clearance * U.S. Citizenship required * Active TS/SCI clearance with polygraph, * 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 #NEP ## Description We're looking for a polygraph-cleared Senior Proxmox Cluster Administrator to take ownership of mission-critical virtualization infrastructure supporting multi-OS research environments. You'll collaborate directly with Nightwing engineers, mission partners, and government customers in a high-tempo operational setting. This is a technical, hands-on role focused on ensuring platform availability, strengthening security controls, and advancing automation capabilities. Strong candidates will also have depth in Linux system administration and/or DevSecOps engineering practices., * Operate and maintain Proxmox VE clusters, including quorum health, HA configuration, node lifecycle management, and capacity planning * Establish standardized workflows for VM and container provisioning * Troubleshoot complex issues spanning compute, networking, and storage layers * Configure and optimize host networking: bridges, bonding, VLAN trunking, and isolated management networks Backup & Recovery Operations * Implement and oversee backup strategies and disaster recovery capabilities * Conduct regular restore drills to validate recovery procedures Documentation & Governance * Create and maintain operational documentation including runbooks, standard operating procedures, topology diagrams, and change logs * Produce compliance artifacts aligned with program security and audit requirements Cross-Functional Collaboration * Work alongside Nightwing teams, mission partners, and government personnel to safely integrate new workloads * Lead platform enhancement efforts and identify opportunities for operational improvements Extended Capabilities (Nice to Have) * Manage hardened Linux baseline configurations and platform services across the environment * Build automation solutions using Ansible and Git-based workflows to eliminate manual tasks and prevent configuration drift ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How I saved 200K/yr in direct costs writing 0 code lines in K8s](https://www.wearedevelopers.com/videos/1055-how-i-saved-200k-yr-in-direct-costs-writing-0-code-lines-in-k8s) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Kubernetes Security - Challenge and Opportunity](https://www.wearedevelopers.com/videos/412-kubernetes-security-challenge-and-opportunity) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [Learning Kubernetes made easy with KubeCampus](https://www.wearedevelopers.com/magazine/348-learning-kubernetes-made-easy-with-kubecampus) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany)