NCIS Windows Systems Administrator | Active Top Secret clearance

General Dynamics Information Technology, Inc.; Quantico (VA); Hybrid; USD 94,000 - 108,000; Full time

Job summary

General Dynamics Information Technology, Inc. seeks a Windows Systems Administrator to support NCIS at Quantico, VA. You will administer Windows servers, patching, AD, DNS, DHCP, GPO, and PowerShell scripting in a secure, government environment.

This hybrid role requires 5+ years of experience, TS/SCI eligibility, and a BS in CS or IT. You will document actions in ServiceNow and ensure DISA STIGs compliance.

Qualifications

• 5+ years of Windows systems administration experience.
• Active Top Secret clearance is required; TS/SCI eligibility preferred.
• Experience with Windows Server 2019/2022/2025 and Windows 11 configurations.
• Experience with AD, DNS, DHCP, GPO, and PowerShell scripting.
• Knowledge of DISA STIGs and enterprise networks.

Responsibilities

• Administer, manage, and maintain Windows servers in a secure environment.
• Patch management, domain controllers, AD, DNS, DHCP, and GPO configuration.
• Create and manage user accounts in Active Directory; PowerShell scripting.
• Document issues and resolutions in ServiceNow; monitor resources and recovery.
• Collaborate with NCIS teams and coordinate changes and major issues.

Skills

Windows Server

MDM

System Administration

Windows Administration

Education

BS Degree in Computer Science or IT related field

Tools

ServiceNow

Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Microsoft Windows Server, Mobile Device Management (MDM), System Administration, Windows System Administration Certifications: None Experience: 5 + years of related experience US Citizenship Required: Yes

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. 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), counterterrorism (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 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

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.

The likely salary range for this position is $93,662 - $108,100. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours: 40

Travel Required: None

Telecommuting Options: Hybrid Work Location: USA VA Quantico Additional Work Locations:

Total Rewards at GDIT

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.