Senior Infrastructure and Systems Administrator

Responsibilities

Peraton Labs is seeking a poly cleared Senior Infrastructure and Systems Administrator to support cleared research and development efforts for a government customer in Maryland. This role will support the implementation, maintenance, security, and operational readiness of complex classified and unclassified research infrastructure environments.

This position is ideal for a hands‑on infrastructure professional with strong Linux and Windows administration experience, networking fundamentals, virtualization knowledge, security configuration experience, and the ability to support dynamic research programs. This position will work closely with the Maryland‑based customer, researchers, engineers, subcontractors, and program leadership to ensure mission systems are reliable, secure, compliant, and ready to support advanced R&D efforts.

Full‑time on‑site work at a customer site near College Park, MD.

• Implement, maintain, and enhance classified and unclassified research infrastructure systems
• Perform Linux and Windows server administration, including installation, configuration, patching, troubleshooting, hardening, and lifecycle support
• Install, configure, and troubleshoot IT, networking, compute, storage, and lab hardware/software
• Build and maintain OS images for Linux and Windows environments
• Configure new systems using security best practices, approved baselines, and program‑specific requirements
• Support virtualization and infrastructure platforms such as VMware, Proxmox, Hyper‑V, KVM, Open Stack, or similar technologies
• Support network configuration and troubleshooting, including TCP/IP, VLANs, routing, switching, DNS, DHCP, firewalls, remote access, and port activation/patching
• Integrate GOTS, COTS, and open‑source tools into secure research environments
• Maintain system security posture through regular patching, anti‑virus/endpoint protection updates, vulnerability remediation, and configuration management
• Support physical infrastructure activities, including system setup, cabling, rack/stack, power, labeling, and network patching in classified and unclassified spaces
• Develop and maintain backup, recovery, log archive, and data retention procedures aligned to program security plans
• Exercise system and data recovery procedures on a regular basis
• Create scripts, automation, or tool recommendations to support audit readiness and operational efficiency
• Support audit tasks, evidence collection, account reviews, log review, media control, and compliance activities in coordination with Security teams
• Develop and execute approved procedures for sanitizing, releasing, or disposing of system components and media
• Maintain technical documentation, system diagrams, configuration records, SOPs, and operational runbooks
• Interface with the government customer, program teams, security personnel, and subcontractors to coordinate infrastructure work and resolve issues

* 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*

Required Qualifications

• Minimum of 6+ years of experience with a Bachelor’s degree, 4+ years of experience with a Master’s degree, or a PhD in Computer Science, Computer Engineering, Information Systems, Cybersecurity, or a related technical field. In lieu of a Bachelors, an additional 4 years of experience is required for a total of 10+ years relevant experience.
• Strong experience with Linux and Windows server system administration
• Experience administering, securing, and troubleshooting enterprise or research infrastructure environments
• Experience with network fundamentals, including TCP/IP, routing, switching, DNS, DHCP, VLANs, firewalls, and remote access
• Experience with virtualization technologies such as VMware, Hyper‑V, KVM, Proxmox, Open Stack, or similar platforms
• Experience installing, configuring, troubleshooting, and maintaining IT/networking hardware and software
• Experience applying security baselines, system hardening, patching, vulnerability remediation, and endpoint protection updates
• Experience supporting backup, recovery, logging,…