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System Administrator, TS/SCI with Polygraph
System Administrator, TS/SCI with Polygraph-March 2024
Chantilly
Mar 29, 2026
About System Administrator, TS/SCI with Polygraph

Req ID: RQ173633

Type of Requisition: Regular

Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph

Job Family: Systems Administration

Skills:

Active Directory (AD),Computer Systems,Microsoft Exchange Server,Operating Systems (OS),Software Installations

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

Transform technology into opportunity as a Systems Administrator Senior 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 Senior you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator Senior joining our team to support our award winning Insider Threat Detection mission.

How A Systems Administrator Senior Will Make An Impact:

Manages the organization’s computer systems’ workflows and is responsible for the upkeep, configuration, and reliable operation of computer systems, including fixing network issues along with updating equipment and software

Provides technical support in the management of networks, software, hardware, configurations, and architectures

Troubleshoots moderately complex system hardware and software issues

Trains end users on the proper use of hardware and software

Performs software installations and upgrades to operating systems and layered software packages

Monitors and tunes systems to achieve optimum performance levels

Ensures workstation/server data integrity by implementing standard software and hardware solutions

Evaluates existing systems and assists with planning long-term strategies

What You'll Need To Succeed:

Education: DoD IAT Level II Certification and a B.S. in Network Administration, Computer Science, Systems Engineering, or other IT related discipline. Additional years of related experience may be substituted for a 4-year degree.

Required Experience: 3+ years of related experience

Required Technical Skills: Experience with Windows Server and Workstation administration, Active Directory, Microsoft Exchange / Outlook / Office / O365, VMware, comfortable working in a multi-vendor network with a large array of COTS applications, experience maintaining file / print / application servers,

Security Clearance Level: TS/SCI w/ CI Polygraph

Required Skills and Abilities: Ability to work independently under general supervision

Preferred Skills: Experience with monitoring SIEM solutions, HP thin client administration, patching and backup technologies, AWS and/or Azure cloud environments

Location: On Customer Site in Chantilly, VA

US Citizenship Required

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

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

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