Windows Systems Administrator - TS/SCI w/Polygraph

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise to protect our country from threats.

Job Description

At GDIT, people are our differentiator. As a Windows Systems Administrator, you will help ensure today is safe and tomorrow is smarter. Our work depends on a strong Windows Systems Engineer joining our team to make a positive impact on the client’s mission. This position requires a strong Windows Administrator, to includes installing, configuring, supporting, and deploying Windows operating systems, as well as ensuring their security and performance. They work with both physical and virtual servers, and are responsible for tasks like virus updates, patches, and performance tuning.

WHAT YOU’LL NEED TO SUCCEED:

• Education: Bachelor of Science in Computer Science, Engineering, or other IT-related discipline, or the equivalent combination of education, technical certifications or training, or work experience.
• Experience: 15+ years
• Required technical skills:
• Demonstrated experience with Windows systems engineering and administration, including MSSQL databases, Active Directory Certificate Services (ADCS), VM clusters, Hyper-V, Data Protection Manager, and PowerShell scripting.
• Demonstrated experience with Assessment and Authorization (A&A) processes to accredit security-controlled systems.
• Demonstrated experience with LINUX systems engineering and administration.
• Desired skills:
• Demonstrated experience with security-controlled systems, CipherTrust enterprise hardware security modules, software, and data architecture.
• Demonstrated experience as a data transfer officer with security-controlled systems.
• Demonstrated experience as an Oracle LINUX Systems Administrator.
• Demonstrated experience with Cisco switches and security appliances including ASAs, StealthWatch and Tetration.
• Demonstrated experience managing NetApp storage area networks (SANs).
• Demonstrated experience with certificate management for users, servers and service accounts.
• Demonstrated experience cross-skilling and backfilling for teammates.
• Demonstrated experience handling sensitive data, exercising discretion and sound judgment, and achieving mission outcomes.
• Certification(s) - Oracle Certified Professional (OCP) Database Administrator
• Demonstrated experience with Sponsor’s security-controlled systems, software, and data architecture.
• Demonstrated experience with Sponsor’s Assessment and Authorization (A&A) processes.
• Demonstrated experience as a data transfer officer with Sponsor’s security-controlled systems.
• Demonstrated experience with IT Program Management and support.
• Tools and technologies:
• Windows Server operating systems (e.g., Server 2016, Server 2019, Server 2022).
• Windows desktop operating systems (e.g., Windows 10, Windows 11).
• Microsoft Group Policy Management (for managing settings across multiple machines).
• Windows Server Update Services (WSUS) (for managing updates).
• Virtualization technologies (e.g., VMware, Hyper-V).
• Security clearance level: TS/SCI with Polygraph
• Additional scrub required
• Location : McLean, VA (On Customer Site)

GDIT IS YOUR PLACE:

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

#WeAreGDIT
#JET
#GDITEnhanced2026
#VA_2026Alumni

Work Requirements

Years of Experience

15 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Travel Required

Less than 10%

Citizenship

U.S. Citizenship Required