> Markdown version of [/jobs/ext/4249272-ncis-windows-systems-administrator-active-top-secret-clearance](https://www.wearedevelopers.com/jobs/ext/4249272-ncis-windows-systems-administrator-active-top-secret-clearance). 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). --- # NCIS Windows Systems Administrator Active Top Secret clearance - **Company:** General Dynamics Information Technology - **Location:** Quantico, VA, United States (Remote available) - **Experience:** Expert - **Salary:** $93,662.0 - $108,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Active Directory Federation Services, Domain Controllers, Software Applications, Business Software, CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Domain Name System (DNS), Lightweight Directory Access Protocols (LDAP), Windows Servers, Network Administration, Performance Tuning, Windows PowerShell, Information Technology, Network Server, Servicenow, User Accounts - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3472151915&tx=KJ7979FFQ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Microsoft Windows Server,Mobile Device Management (MDM),System Administration,Windows System Administration Certifications: Security+ CE - CompTIA - CompTIA Experience: 5 + years of related experience, Bring your systems administration expertise along with a drive for innovation to GDIT. Our Windows Systems Administrator must have: * Security Clearance Level: Active Top Secret clearance (Must be TS/SCI eligible) * Required Experience: * 5+ years of experience with Windows Systems Administration, general computer system, network administration and user support experience. * Hands-on experience with Windows 11, Windows Server 2019, 2022, and 2025 configuration, troubleshooting and performance optimization. * Experience in (MDM) support and solutions * Experience with the NGEN IT infrastructure and enterprise class networks * Ability to administer user accounts and device associations in Active Directory * Experience deploying DISA STIGs controls and system compliance * Must have prior experience with installation, operation, configuration, and maintenance of multiple types of business and end user-specific application software in a large government installation * Experience with one or more of the following: Domain controllers, Active Directory, DNS servers, DHCP and Group Policy Object * Innovative and collaborative environment encouraging of highly motivated critical thinking * Required Certifications: CompTIA Security+ CE * Education: BS Degree or equivalent Computer Science or IT related degree * Location: Hybrid - 3 days onsite at Quantico, VA / 2 days remote * US Citizenship required ## Description As a Windows Systems Administrator , the work you'll do at GDIT will be impactful to the mission of the NCIS team at Quantico, VA. * Administer, manage and maintain Windows servers 2019 and 2022. * Responsible for Windows Server patching in an operational environment. * Experience with the following: Domain controllers, Active Directory Federation Services (AD FS), Active Directory, DNS servers, DHCP and Group Policy Object. * Create, manage, and maintain accounts and groups in Active Directory, LDAP * Experience with PowerShell scripting. * Monitors system environments and resources. * Analyze, troubleshoot, resolve, and documents problems with business applications and hardware on all enclaves. * Oversees system recovery mechanisms. * Exhibit the capability to resolve issues independently. * Coordinate, communicate, escalate required changes, and major issues . * Help diagnose and resolve computer-related problems as requested by employees and contractors, either in person or by using remote control software. * Respond to telephone calls and email requests for technical support . * Accurately documents all work in ServiceNow.