Job DescriptionBAE Systems is seeking a proactive and detail-oriented Closed Area Systems Administrator to join our Information Technology team supporting classified environments. This individual will work with a dynamic team responsible for the configuration, maintenance, and security of IT systems housed in closed areas, supporting critical national defense programs.
As a key member of the IT support organization, you will play a vital role in managing and maintaining classified computing infrastructure while ensuring strict adherence to security compliance requirements such as RMF, NIST 800-53, and JSIG.
The Operations Strategic Capabilities Unit plays a fundamental role in enabling efficient business and program execution - from strategic capital investments, industrial operations and an efficient supply chain, to state-of-the-art manufacturing and test operations and top-notch facilities management.
What You'll Do:
- Perform user account administration, group policy configuration, and role-based access control in Active Directory for a classified environment.
- Provide desktop systems administration, including imaging, configuration, troubleshooting, and secure application support.
- Manage and monitor virtual server instances (VMware), ensuring uptime, performance, and resource allocation.
- Lead and track monthly OS and application patching across desktops and servers, ensuring full compliance with security baselines and STIGs.
- Maintain domain health, DNS/DHCP, and group policy objects within Active Directory.
- Support system logging, event correlation, and incident response efforts within the closed area.
- Collaborate with ISSOs and security staff to ensure all system changes comply with RMF and local security policies.
- Maintain thorough system documentation, configuration baselines, and change logs.
- Support classified system accreditation activities and audits as needed.
- Maintain a regular and predictable work schedule.
- Establish and maintain effective working relationships within the department, the Strategic Business Units, Strategic Capabilities Units and the Company. Interact appropriately with others in order to maintain a positive and productive work environment.
- Perform other duties as necessary.
On-Site Work Environment: This position requires regular in-person engagement by working
on-site five days each normally scheduled week in the primary work location. Travel and local commute between company campuses and other possible non-company locations may be required.
Working Conditions: - Work is performed in an office environment, laboratory, cleanroom, or production floor.
Required Skills and Education- Bachelors degree in a related field plus 2 or more years related experience; of HS Diploma plus 6 or more years of related experience.
- CompTIA Security+ or equivalent DoD 8570 IAT Level II certification.
- 2+ years of as a Systems Administrator.
- Proficiency in Active Directory, including user/group management, OU structure, and GPOs.
- Hands-on experience with Windows desktop system support and endpoint hardening.
- Experience managing virtualized server environments (VMware).
- Familiarity with monthly patching procedures and vulnerability remediation.
- Strong documentation skills and familiarity with change/configuration management practices.
Preferred Skills and Education- Active TS/SCI Security Clearance.
- 2+ years of experience working in a classified environment.
- Experience with secure system build processes and STIG compliance.
- Working knowledge of RMF, NISPOM, and JSIG/ICD 503 requirements.
- Familiarity with backup and recovery tools in classified environments.
- Exposure to scripting (PowerShell, Python, Bash) for automation and task optimization.
- Linux (RHEL) system administration experience.
- Experience supporting secure enclaves, air-gapped systems.
This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.
Multiple positions may be available on this opening.
