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Government Technical Services Corporation (GTSC) seeks a Systems Administrator, Tier 1, for an on-site role in Annapolis Junction, MD. The position focuses on first-line IT support, ticketing, and basic troubleshooting of hardware, software, and connectivity.
Candidates must hold an active Top Secret SCI clearance with polygraph, CompTIA A+ CE and Network+ CE certifications, and meet education/experience requirements (HS +10 years or BA +5 years).
Annapolis Junction, United States | Posted on 08/19/2026
GTSC seeks aSystems Administrator, Tier 1.
Location:Annapolis Junction, MD
~~~Shift Work - Monday to Friday 12PM to 10PM
All work is on-site. This is not a hybrid or remote position.
Mission: Management and sustainment of the AWS infrastructure.
Clearance:Active Top Secret SCI with appropriate polygraph.
Certifications:
Requirements:
High School diploma or GED with 10 years or experience;
OR
Core Responsibilities:
Technical Support Tasks:
Customer Service & Communication
Webelieve great work starts with supporting our people. From day one,you’ll have access to generous paid time off, comprehensive benefits,and a retirement plan designed to help you plan for the future. Weoffer flexible and hybrid work options where possible, along with acollaborative environment that values your time, contributions, and well-being.
We are committed to your growth throughongoing training, educational reimbursement, and opportunities toadvance your career. Whether you are building new skills or takingthe next step, you’ll find the support you need to succeed here.
We are consistently on the lookout fortalented IT professionals to join our growing company! If youare interested in a fulfilling career that utilizes yourprofessional skills and education at a company that values yourexpertise, helps you obtain and maintain a U.S. security clearance,and enables you to help strengthen the U.S. intelligencecommunity, explore the opportunities GTSC has available now!
GTSC-Talent Solutions is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.