NCIS Windows Systems Administrator | Active Top Secret clearance

General Dynamics Information Technology; Quantico (VA); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

AI career tool

Internal mobility support

401K with company match

Wellness benefits

Flexible schedule

Job summary

General Dynamics Information Technology (GDIT) seeks a Windows Systems Administrator to support the NCIS team at Quantico, VA. You will administer Windows servers, manage AD/LDAP, DNS, DHCP, and GPO, and script with PowerShell to streamline operations.

The role demands 5+ years of Windows Administration, TS/SCI eligibility, and proficiency across Windows 11 and server platforms. Hybrid onsite/remote work is offered, with US citizenship required.

Qualifications

• 5+ years of Windows Systems Administration experience.
• Experience with Windows Server 2019/2022/2025 configuration and troubleshooting.
• Experience with AD DS, DNS, DHCP, GPO, and AD management.
• Experience deploying DISA STIGs and system compliance.
• US Citizenship and active TS/SCI eligibility required.

Responsibilities

• Administer, manage and maintain Windows servers 2019, 2022, 2025.
• Patch Windows servers in an operational environment.
• Manage Active Directory, DNS, DHCP, and GPO configurations.
• Create and manage user accounts and groups in AD/LDAP.
• PowerShell scripting to automate tasks and monitor systems.
• Document issues and resolutions in ServiceNow.
• Coordinate changes and major issues with teams.
• Provide technical support to employees and contractors.

Skills

Windows OS administration

PowerShell scripting

Active Directory management

Network administration

User support

Troubleshooting

Security awareness

Education

BS Degree in Computer Science or IT

Tools

ServiceNow

MDM solutions

Remote control software

Job description

Transform technology into opportunity as a Windows Systems Administrator at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

MEANINGFUL WORK AND PERSONAL IMPACT

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, elevate 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.

WHAT YOU’LL NEED TO SUCCEED

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

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities

• Support: An internal mobility team focused on helping you achieve your career goals

• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off

• Flexibility: Full-flex work week to own your priorities at work and at home

• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore a career in software development at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your dedication to advancing innovation.

#NCIScareers