> Markdown version of [/jobs/ext/1651244-it-systems-administrator-ii](https://www.wearedevelopers.com/jobs/ext/1651244-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:** Manchester, NH, United States - **Salary:** $79,365.0 - $134,921.0 - **Contract:** Permanent contract - **Skills:** Active Directory, Antivirus Softwares, Symantec Backup Exec, Software Documentation, CompTIA Security+, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), VMware ESX Servers, Hyper-V, Local Security Policy, McAfee VirusScan, Windows Servers, NetApp Applications, Role-Based Access Control, Server Virtualization, Service Pack, SQL Databases, Data Logging, Flexera, SC Clearance, Information Technology, CIS Benchmarks, ArcSight Event Correlation, Veeam, Network Server, Wsus, User Accounts, Vmware - **Published:** July 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9026979/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 * AS or BS degree in computer related fields * CompTIA Security+ Certification (must be currently active or able to obtain certification within 6 months) * General understanding of Active Directory, able to manage user accounts, shares and computer objects in AD * Group Policy Management, ability to identify, modify and troubleshoot GPO settings * Troubleshooting and maintaining DHCP and DNS settings * BackupExec and VEEAM backup application usage and general knowledge * General understanding of NETAPP systems (NAS storage) * Knowledge of security patching tools (WSUS) and/or script-based Microsoft patching techniques * Ability to manage Trellix (McAfee) EPO2 anti-virus server tools and deployed endpoint clients * Ability to manage VMWare ESXi VM Servers; standing up new VMs, running and maintaining existing VMs * Must be able to obtain Secret Clearance * Secret Clearance * CompTIA Security+ CE Certification * Active Directory Management, Configuration, Implementation and Group Policy Management * VMware and ESXi systems experience; upgrades, VM imports and migrations * Flexera LMTOOLs or some other concurrent licensing software experience * Windows Server upgrading and troubleshooting * SQL database troubleshooting and maintenance * Some LINUX run and maintain skills ## 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) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [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) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)