Systems Administrator

Metrea•Annapolis Junction, MD

5d•$110,000 - $130,000•Onsite

About The Position

We are seeking an experienced Classified Systems Administrator to support, maintain, and secure our mission-critical, high-consequence classified IT infrastructure. In this role, you will be the core technical lead overseeing a mixed Linux and Microsoft Windows environment, with a heavy focus on air-gapped, secure systems built for the Intelligence Community (IC) and Department of Defense (DoD). The ideal candidate has a strong "ownership mentality," is highly proactive, and possesses a deep, proven background in multitier support, bare-metal hardware configuration, and the strict security hardening protocols required to achieve and maintain an Authority to Operate (ATO).

Requirements

3+ years of experience as System Administrator (SA) providing comprehensive system support
Hands-on experience applying DISA STIGs, conducting vulnerability assessments, and remediating compliance findings on classified networks
Strong background troubleshooting core infrastructure services (Active Directory, DNS, DHCP, group policies, and network storage solutions) in an isolated, non-internet connected environment
Experience in configuring new hardware systems and employing them into active environments for operational readiness
Must hold an active Top-Secret security clearance with SCI eligibility and FS Polygraph
Bachelor’s degree preferred.

Nice To Haves

Active DoD 8570/8140 IAT Level II or III baseline certification (CompTIA Security+, CISSP)
Completion of COMSEC Custodian course is preferred, or obtain within 6 months of hire
Ability to support after-hours alarm/intrusion response

Responsibilities

Provide comprehensive 1st, 2nd, and 3rd tier IT support across complex classified environments and secure air-gapped networks
Execute rigid security configuration and system hardening utilizing DISA STIGs, SCAP tools, and other federal cybersecurity best practices to ensure strict compliance with government directives
Configure, optimize, and maintain critical enterprise services including Active Directory (AD), Group Policy, Identity Management/LDAP, DNS, DHCP, repository servers, and patch deployment systems
Administer virtualized environments using Hyer-V and VMware. Develop and execute systematic backup scripts and disaster recovery procedures to safeguard critical intelligence data
Take hands-on ownership of physical rack components, low-voltage cabling, server hard-ware configurations, desktops, laptops, and secure mobile/tablet devices, including com-plete system startups and shutdowns
Author rigorous, instructional documentation for system baselines and standard operating procedures (SOPs)
Serve as the primary COMSEC custodian, maintaining 100% accurate accountability, strict inventory control, and secure storage for all physical and electronic cryptographic materials, key tapes, and controlled cryptographic items (CCIs)
Conduct required semi-annual, annual, and special-occasion inventories; strictly adhere to and enforce National Security Agency (NSA) directives, CNSSI manuals, and customer-driver COMSEC required security procedures
Ability to support after-hours alarm/intrusion response