Job Description

BAE 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.

In this System Adminstrator II position supporting our closed areas you will make impacts in the following ways;

• 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 (e.g., VMware, Hyper-V), 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.

Additional information:
• This role requires 100% onsite work in a secure, closed area-remote or hybrid options are not
available
• Work may occasionally require after-hours support for patching or security-related events
• Must be capable of lifting/moving equipment (up to 40 lbs) and performing physical tasks within
secure rooms

Required Skills and Education
• U.S. Citizenship.
• Active Secret Security Clearance and CompTIA Security+ or equivalent DoD 8570 IAT Level II
certification.
• 3-6 years of experience (2+ years of experience with a degree) as a systems administrator.
• Proficiency in Active Directory, including user/group management, OU structure, and GPOs.
• Hands-on experience with desktop system support (Windows OS) and endpoint hardening.
• Experience managing virtualized server environments (VMware or Hyper-V).
• Familiarity with monthly patching procedures, SCCM/WSUS, and vulnerability remediation.
• Strong documentation skills and familiarity with change/configuration management practices.
• 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 (e.g., VMware, Hyper-V), 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.

Preferred Skills and Education
• Active U.S. 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.
• Experience supporting secure enclaves, air-gapped systems, or cross-domain solutions.

Benefits Information

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.

Intern Benefits: Temporary employees generally are not eligible for BAE Systems benefits, but can elect to participate in the 401(k) savings plan. Temporary employees working 20+ hours per week are eligible for medical benefits, the employee assistance program, and business travel accident insurance.

Please note: Some benefits may be different for union employees that are governed by a collective bargaining agreement (CBA) or for positions covered by a wage law called the McNamara-O'Hara Service Contract Act (SCA).