System Administrator, TS/SCI with Polygraph

Clearance Level
Top Secret SCI + Polygraph
Systems Administration
Chantilly, Virginia
Onsite Workplace
Key Skills For Success

Active Directory (AD)

Computer Systems

Microsoft Exchange Server

Operating Systems (OS)

Software Installations

REQ#: RQ173633
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 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


Work Requirements
Years of Experience

8 + years of related experience

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


Travel Required



U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $100,175 - $135,530. 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.

About Our Work

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.

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.