NCIS Systems Administrator | Shift Work | Active Top Secret clearance

General Dynamics Information Technology; Quantico (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

General Dynamics Information Technology seeks a Systems Administrator to support NCIS ITD in Quantico, VA. The role focuses on administering Windows servers (2016/2019), AD/DNS/DHCP, and patching in a mission-critical environment.

Ideal candidates have 5+ years of systems administration, Top Secret clearance, and experience with DISA STIGs and ServiceNow for incident documentation and change control.

Qualifications

• 5+ years of experience in systems administration.
• Active Top Secret clearance is required.
• Experience with Windows Server 2016/2019 and patching in operational environments.
• Knowledge of AD, DNS, DHCP, and Group Policy.
• Ability to manage user accounts and devices in AD/LDAP.

Responsibilities

• Administer, manage, and maintain Windows servers (2016/2019).
• Patch Windows servers in an operational environment.
• Configure and manage AD, DNS, DHCP, and GPO.
• Create and manage user accounts and groups in AD/LDAP.
• Script with PowerShell and monitor system resources.

Skills

Windows Server

Active Directory

PowerShell

DNS

DHCP

Group Policy

Security Clearance

IT Support

Mobile Device Mgmt

Education

Bachelor's Degree in IT/CS

Tools

ServiceNow

DISA STIGs

Job description

Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

Shift Schedule:

• A two‑week rotation where teams alternate between four weeknight 10‑hour night shifts and weekend 12‑hour day/night coverage for a 40‑hour workweek.

** Position is pending funding in the mid September 2026 timeframe. **

The Naval Criminal Investigative Service (NCIS) is an organization of approximately 2,000 personnel of which 700 serve at HQ and the remaining staff serve at offices worldwide. NCIS is the DON component with primary responsibility for criminal investigation, law enforcement (LE), counter‑terrorism (CT), counter‑intelligence (CI), and cyber matters. NCIS not only has primary responsibility for all criminal investigative, CI, CT, and cyber matters within the DON, but it also has exclusive investigative jurisdiction in non‑combat matters involving actual, potential, or suspected criminal, terrorism, sabotage, espionage, and subversive activities.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Systems Administrator, the work you’ll do at GDIT will be impactful to the mission of the IT Technology Development division within the NCIS ITD organization in Quantico, VA.

• Administer, manage, and maintain Windows servers 2016 and 2019

• Responsible for Windows Server patching in an operational environment

• Experience with one or more of the following: Domain controllers, 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

• Experience deploying DISA STIGs controls and system compliance

• Oversees system recovery mechanisms

• Exhibit the capability to resolve issues independently

• Coordinate, communicate, escrow 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 engineering expertise along with a drive for innovation to GDIT. Our Systems Administration must have:

• Security Clearance Level: Active Top Secret clearance

• Required Experience: 5+ years of experience with systems administration.

• Well-rounded general computer system, network administration, and user support experience is necessary

• Experience in mobile device management support and solutions

• Experience with the NGEN IT infrastructure and enterprise class networks

• Ability to administer user accounts and device associations in Active Directory

• 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

• Familiarity with a variety of technical support applications, concepts, practices, and procedures

• Required Certifications: Security+ CE, GSEC, SSCP or CCNA Security

• Education: Bachelors Degree in IT, Computer Science or Technical discipline.

• Location: Onsite at Quantico, VA

• Shift Schedule: A two‑week rotation where teams alternate between four weeknight 10‑hour night shifts and weekend 12‑hour day/night coverage for a 40‑hour workweek.

• Position Availability: This position is currently pending funding in the mid September 2026 timeframe.

• 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

• 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