Systems Administrator - TS/SCI with Polygraph

Clearance Level
Top Secret SCI + Polygraph
Category
IT Infrastructure and Operations
Location
McLean, Virginia
(Onsite Workplace)
Key Skills For Success

Enterprise IT

Information Technology (IT) Systems

Project Management

REQ#: RQ227821
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

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.

At GDIT, people are our differentiator. As a Systems Administrator you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator joining our team.

WHAT YOU’LL NEED TO SUCCEED:

  • Education: Bachelor’s degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
  • Required Experience: 5+ years of related
  • Required Skills:
  • Hands-on expertise with Active Directory, including manual creation and management of security groups.
  • Proven ability to manually apply folder-level permissions within File Explorer, including setting and modifying read, write, and modify access controls.
  • Strong understanding of permissions, folder inheritance, and the ability to break, troubleshoot, and restore inheritance and access control configurations.
  • Skilled in creating and structuring folders within File Explorer to support organizational access requirements.
  • Senior-level experience in both Active Directory administration and File Explorer permissions management is required.
  • Training will be provided for all in-house system administration responsibilities.
  • Security Clearance Level: TS/SCI with Polygraph
  • Preferred qualifications:
  • Experience working with Enterprise Information Technology systems, including core utility and security applications
  • A background working across multiple systems and applications—such as operating systems, email platforms, databases, storage technologies, and hardware support.
  • An understanding of how network requirements impact operating systems and application performance.
  • Familiarity with organizational standards for system configurations, security policies, and software management procedures.
  • Strong problem-solving skills, including the ability to diagnose and resolve complex technical issues independently.
  • Solid analytical, planning, and organizational abilities to support day-to-day work and larger initiatives.
  • Experience applying project management techniques to plan, coordinate, and deliver technical projects.
  • Clear and confident communication skills—able to explain technical concepts to both technical and non-technical stakeholders.
  • The ability to work independently on routine tasks while also collaborating effectively as part of a team.
  • Experience partnering with internal business teams to understand requirements and translate them into actionable technical needs.
  • Experience working with developers to clarify requirements and support joint project planning.
  • Familiarity with requirement tracking tools or processes.
  • Interest in staying up to date on emerging technology in relevant operating systems—along with the ability to identify potential impacts and anticipate needed changes
  • 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

#OpportunityOwned 
#GDITCareers 
#WeAreGDIT  
#JET
#GDITEnhanced2026
#VA_2026Alumni 
 

Work Requirements

Years of Experience

5 + 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

Salary and Benefit Information

The likely salary range for this position is $98,600 - $133,400. 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.
View information about benefits and our total rewards program.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

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.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans