Systems Administrator SME - TS/SCI with Polygraph
GDIT· enterprise· Defense IT· Oct 22, 2026 · 6d ago
Reston, VA
In office
Full-time
Principal
$162K–$219K
10+ years exp
Job description
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:
Computer Hardware, System Administration, Technical Support Certifications:
None Experience:
10 + 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 SME 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 SME, the work you’ll do at GDIT will be impactful to the mission of U.S. Government. You will play a crucial role in supporting a new operations center by maintaining operational equipment to monitor various systems.
Lead/Manage/Support – Take the lead in the initial installation, configuration and maintenance of servers including physical and virtual environments.
Manage: The Active Directory, and other core IT services for new Operations Center.
Monitors systems performance and troubleshoots highly complex issues to ensure high availability and reliability.
Support: Performs maintenance such as patch management, updates and backups.
Plans and executes systems upgrades and hardware/software installations.
Ensures systems are updated with latest security patches and software updates.
Implements and maintains security measures to protect systems from unauthorized access and vulnerabilities.
Collaborate with closely with customer to make sure all deliverables meet their standards
Drive innovation by resolving unexpected challenges and lean on our existing team at other locations whom support this customer
WHAT YOU’LL NEED TO SUCCEED
Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator SME must have:
● Education: Technical Training, Certification(s) or Degree
● Experience: 10 years of related experience
● Security clearance level: TS/SCI with Polygraph
● US citizenship required
● Role requirements: The management and operation of critical IT systems, rather than routine clerical tasks. The position requires independent judgment and discretion in planning, implementing, and maintaining complex systems, security measures, and performance standards, as well as collaborating with the customer and leading technical initiatives which are all hallmarks of an administratively exempt role
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.
#OpportunityOwned
#GDITCareers
#WeAreGDIT
#JET
#VA_2026Alumni
#GDITEnhanced2026
The likely salary range for this position is $162,037 - $219,227. 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:
Less than 10%
T elecommuting Options:
Onsite
Work Location:
USA VA Reston
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 offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
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
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Benefits
Benefits detected in the listing.
Dental
Vision
401k
401(K)
Paid Time Off
Wellness