ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now
Experience
City
State
Clearance
Posted Within
Employer Name
Country
Job Category
Job Type
Polygraph
Remote/Hybrid
Salary
Top Secret/SCI IT - Support

Top Secret / SCI Clearance IT - Support Jobs

Showing 370 Jobs

Sort by:
user avatar
Site Reliability Engineer - Infrastructure Operations
ClearanceJobs Workforce Solutions•Multiple Locations
Secret 5+ yrs exp $170,000 - $225,000 / yr
ClearanceJobs Worforce Solutions is seeking a Site Reliability Engineer – Infrastructure Operations for our client based in San Francisco, CA. Our client is a cutting-edge startup delivering AI-bas...
Promoted•Posted 1 month ago
user avatar
RF Engineer
Steven Douglas Associates•Aurora, CO
TS/SCI CI Polygraph 5+ yrs exp
The RF Systems/Hardware Engineer will be expected to have the technical skills to troubleshoot, document, and resolve system outages and other issues that may be encountered during operation of the sy...
Promoted•Posted 2 weeks ago
user avatar
Systems Engineer
ECS•Quantico, VA
TS/SCI Not Specified $120,000 - $170,000 / yr
Job Description Everforth ECS is seeking an Systems Engineer to work in our Quantico, VA office. Are you ready to play crucial role in supporting cutting-edge technology for federal law enforcement an...
Posted 9 hours ago
user avatar
Computer Scientist - Senior
Cherokee Federal•Reston, VA
TS/SCI Polygraph $170,000 - $190,000 / yr
Computer Scientist - Senior Reston, VA, United States (On-site) Job Title: Computer Scientist - SeniorJob Code: ITS952Location: Reston, VAReports to: Program ManagerFLSA Status: ExemptSupervisory: No...
Posted 9 hours ago
user avatar
Deputy Program Manager
ECS•Huntsville, AL
TS/SCI Not Specified
Job Description Everforth ECS is seeking an Deputy Program Manager to work in our Huntsville, AL office. Everforth ECS is seeking a trusted, people-centered Deputy Program Manager to support a fast-pa...
Posted 9 hours ago
user avatar
Help Desk Technician - I
Calvert Systems•Tampa, FL
TS/SCI Not Specified <2 yrs exp
Help Desk Technician - I Location: MacDill Air Force Base, Tampa, FLMinimum Clearance Required: Top Secret/SCI***This position is contingent upon contract award***This position requires the ability to...
Posted 10 hours ago
user avatar
Queue Coordinator
MANTECH•San Antonio, TX
TS/SCI Not Specified
MANTECH seeks a motivated, career and customer-oriented Queue Coordinator to join our team in Annapolis Junction, MD or San Antonio, TX. SHIFT- Sunday - Thursday 10pm-6am (MD location) or 9pm-5am (Tex...
Posted 10 hours ago
user avatar
PC Technician
SAIC•Tampa, FL
TS/SCI Not Specified $60,001 - $100,000 / yr
Description SAIC has an immediate opening for a PC Technician to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - This critical position is located at the SO...
Posted 19 hours ago
user avatar
PC Technician
SAIC•Macdill Afb, FL
TS/SCI Not Specified $60,001 - $100,000 / yr
Description SAIC has an immediate opening for a PC Technician to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - This critical position is located at the SO...
Posted 19 hours ago
user avatar
Service Desk Specialist
SAIC•Springfield, VA
TS/SCI CI Polygraph $40,001 - $80,000 / yr
Description SAIC is seeking a Service Desk Specialist to provide operational support, maintenance, and troubleshooting for mission-critical IT systems on the MAJESTIC Joint Program Office (JPO) Team....
Posted 19 hours ago
user avatar
Service Desk Technician
TEKsystems c/o Allegis Group•San Antonio, TX
TS/SCI 5+ yrs exp $65,000 - $78,000 / yr
Top Skills' Details 3-6 Month contract, TS/SCI required 5-8 years of directly related experience in Service Desk and support. Experience in supporting classified intelligence networks is a plus. • Req...
Posted 21 hours ago
user avatar
Scrum Master
ECS•Quantico, VA
TS/SCI Not Specified $110,000 - $160,000 / yr
Job Description Everforth ECS is seeking a Scrum Master to work in Quantico, VA . Are you ready to play a crucial role in supporting cutting-edge technology for federal law enforcement and scientifi...
Posted 1 day ago
user avatar
Business Analyst
ECS•Quantico, VA
TS/SCI Not Specified $100,000 - $130,000 / yr
Job Description Everforth ECS is seeking a Business Analyst to work in our Stafford, VA office. Are you ready to play a crucial role in supporting cutting-edge technology for federal law enforcement...
Posted 1 day ago
user avatar
Windows System Administrator
InisCore Technologies•Fort Meade, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
Required Clearance: Candidate must have a TS/SCI polygraph clearance Description The job duties are as follows: ...
Posted 1 day ago
user avatar
System Engineer Lv 3(BP)
Visionary Technologies Inc•Columbia, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
•Active Directory & Group Policy Object (GPO) Administration to enforce security baselines, optimize configuration management, and define granular management scopes across domain and local environment...
Posted 1 day ago
user avatar
System Engineer Lv3 (BP)
Visionary Technologies Inc•Columbia, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
•Linux Administration - Analyze and resolve complex problems associated with server hardware, applications, and software integration. •Configure and manage Linux operating systems alongside Windows 10...
Posted 1 day ago
user avatar
System Administrator Lvl 3 (BP)
Visionary Technologies Inc•Columbia, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
•Linux Administration - Analyze and resolve complex problems associated with server hardware, applications, and software integration. •Configure and manage Linux operating systems alongside Windows 10...
Posted 1 day ago
user avatar
Windows System Administrator
TEKsystems c/o Allegis Group•Pentagon, DC
TS/SCI 5+ yrs exp
Windows Systems Administrator (TS/SCI Required) Location: Alexandria, VA (On-Site) Clearance: Active TS/SCI Required Certification: IAT Level II Certification Required (Security+ or Equivalent) Dur...
Posted 1 day ago
user avatar
Junior Systems Administrator [$214k/yr+] TS/SCI-FS Poly
SYSTOLIC•Herndon, VA
TS/SCI Full Scope Polygraph 2+ yrs exp
Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Provide Tier 1 and Tier 2 systems administration across Linux and Windows enterp...
Posted 1 day ago
user avatar
Mid-Level Systems Administrator [$257k/yr+] TS/SCI-FS Poly
SYSTOLIC•Herndon, VA
TS/SCI Full Scope Polygraph 5+ yrs exp
Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Provide Tier 1 and Tier 2 systems administration across Linux and Windows enterp...
Posted 1 day ago
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
Download on the App StoreGet it on Google Play
© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service .
  • Pay My Bill
  • EULA
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Contact Us