See what you’re missing. Our employees work on the world’s most advanced electronics – from detecting threats for F-35 pilots to illuminating the night for soldiers. Spanning air, land, sea, and space, we are developing the technology of tomorrow, delivered today. Drawing strength from our differences, we’re innovating for the future. And you can, too. Our flexible work environment provides you a chance to change the world without giving up your personal life. We put our customers first – exemplified by our mission: “We Protect Those Who Protect Us®.” Sound like a team you want to be a part of? Come build your career with BAE Systems. We put our customers first – exemplified by our missions: “We Protect Those Who Protect Us®” and “We Innovate for Those Who Move the World.” Sound like a team you want to be a part of? Come build your career with BAE Systems. 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 Administrator 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: • Because of the need for consistent, in-person collaboration and/or the requirement to perform all work onsite due to the nature of this particular role, it will be performed full- time on site. This means work will be conducted on location at a BAE Systems facility 100% of the time. • 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