> Markdown version of [/jobs/ext/1768452-it-systems-administrator-ii](https://www.wearedevelopers.com/jobs/ext/1768452-it-systems-administrator-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Systems Administrator II - **Company:** BAE Systems - **Location:** Merrimack, NH, United States - **Experience:** Experienced - **Salary:** $79,365.0 - $134,921.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Bash Shell, Configuration Management, Software Documentation, CompTIA Security+, Data Recovery, Dynamic Host Configuration Protocol, Domain Name System (DNS), Hyper-V, Python (Programming Language), Local Security Policy, System Center Configuration Manager, Windows PowerShell, Role-Based Access Control, Server Virtualization, Software Vulnerability Management, Data Logging, Scripting, Information Technology, CIS Benchmarks, National Industrial Security Program Operating Manual (NISPOM), ArcSight Event Correlation, Network Server, Wsus, Server Operating Systems & Platforms, Vmware - **Published:** July 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9026687/it-systems-administrator-ii ## About the Role BAE Systems is seeking a proactive and detail-oriented Closed Area Systems Administrator to join our, * 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 * 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. * 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. ## Description 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. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [The Developer Workstation Blind Spot: Why Your Security Stack Can't See What Matters Most](https://www.wearedevelopers.com/videos/100254-the-developer-workstation-blind-spot-why-your-security-stack-can-t-see-what-matters-most) - [Checkmate: 5 Real Incidents That Can End a Software Company](https://www.wearedevelopers.com/videos/100126-checkmate-5-real-incidents-that-can-end-a-software-company) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)