NCIS Systems Administrator | Shift Work | Active Top Secret clearance

General Dynamics - IT; Quantico (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

General Dynamics - IT is hiring a Systems Administrator to support the NCIS ITD at Quantico, VA. The role focuses on Windows Server 2016/2019 administration, patching, AD/LDAP operations, and PowerShell scripting to keep enterprise systems secure and compliant.

The position requires a Top Secret clearance, 5+ years of experience, and US citizenship, with onsite work at Quantico. Shift options are available, and responsibilities include incident response and documentation in ServiceNow.

Qualifications

• 5+ years of experience with systems administration.
• Strong knowledge of Windows server administration and patching.
• Experience with Active Directory, DNS, DHCP, GPO, and PowerShell.

Responsibilities

• Administer, manage, and maintain Windows servers 2016 and 2019.
• Responsible for Windows Server patching in an operational environment.
• Create, manage, and maintain AD accounts and groups (Active Directory, LDAP).
• Experience deploying DISA STIGs controls and system compliance.
• Document all work in ServiceNow and communicate major issues.

Skills

Windows Server 2016/2019

Active Directory

PowerShell

DISA STIGs

Troubleshooting

Education

Bachelor's Degree in IT/CS/Technical discipline

Tools

ServiceNow

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.

You may choose one of the following shifts:

Shift 1: Monday + Tuesday 6:00 pm - 2:30am; Friday - Sunday 6:00pm - 6:00am EST

Shift 2: Wednesday + Thursday 6:00pm - 2:30am EST; Friday - Sunday 6:00am - 6:00pm EST

** Position is pending funding in the August / 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), counterintelligence (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, upscale 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

• 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
• 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