Position SummaryWe 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).
What You'll Do- 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
What You Bring- 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.
Additional Eligibility Qualifications- 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
Benefits- Comprehensive medical plan options
- HSA/FSA accounts
- Dental and vision coverage
- 6% employer 401(k) match
- Fully paid parental leave for all new parents
- Generous PTO
- Life and disability insurance
- Long-term and Short-term disability coverage
- AD&D Coverage
- Pet Insurance
- Employee Assistance Program
- Subsided gym membership / plans through Wellhub
Work Authorization / Security Clearance- Applicants must be legally authorized to work in the United States.
- Must be a U.S. Citizen
- Active TS/SCI clearance with FS Polygraph required at time of hire, and the ability to maintain it throughout employment.
- Employment is contingent on meeting all clearance requirements.
Position Type and Expected Hours of WorkThis is a full-time exempt position with typical working hours of Monday through Friday, 8:00 a.m. to 5:00 p.m. Hours and work shifts may change in accordance with department and business needs. Exempt Employees must have the ability to be on-call and available, as business needs require.
Work EnvironmentThis job operates in an office setting.
Travel10%