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Senior systems Administrator - TS/SCI with Polygraph

General Dynamics Information Technology
United Statesfull_timeVerifiedPosted 11 Mar 2026
💰 $143,750/yr($106,250/yr$143,750/yr)

About the role

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Microsoft Server Administration, RedHat, System Administration

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

Yes

Job Description:

Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

Meaningful Work and Personal Impact
As a Systems Administrator Senior, the work you’ll do at GDIT will be impactful to the mission of our intelligence customer in Chantilly, VA. You will play a crucial role in supporting our award-winning Insider Threat Detection mission.

  • 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
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator Senior must have:

  • Education: Bachelor's degree in Engineering, Computer Science, or other related analytical, scientific, or technical discipline
  • Experience: 3+ years of related experience
  • Technical skills: Experience with Windows Server and desktop administration, experience with Red Hat Enterprise Linux system administration, comfortable working in a multi-vendor network with a large variety of COTS applications, familiarity with layer 2 and 3 networking concepts, experience with AWS and/or Azure cloud environments
  • Security clearance level: TS/SCI w/ Poly (or eligibility)
  • US citizenship required
  • Role requirements: DoD 8570 IAT II Certification


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
  • Community: Award-winning culture of innovation and a military-friendly workplace


OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

The likely salary range for this position is $106,250 - $143,750. 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:

Onsite

Work Location:

USA VA Chantilly

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 offeri

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Company

General Dynamics Information Technology

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