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 212 Jobs

Sort by:
user avatar
Systems Administrator [$233k/yr+] TS/SCI-FS Poly
SYSTOLIC•Annapolis Junction, MD
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: • Manage Linux virtual machines within cloud infrastructures. • Perform com...
Posted 5 hours ago
user avatar
Help Desk Lead
SOSi•Doral, FL
TS/SCI Not Specified
Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...
Posted 6 hours ago
user avatar
Network Operations Watch Office
Insight Global, Inc.•Fort Meade, MD
TS/SCI 2+ yrs exp
*MUST BE OPEN TO THE SHIFTS LISTED* Position: Network Operations Watch Officer Location: Fort Meade, MD Clearance: TS/SCI Schedule: Tuesday–Saturday or Sunday–Thursday Swing: 1:00 PM – 9:00 PM Mid: ...
Posted 18 hours ago
user avatar
OPERATIONAL SYSTEM ENGINEER: TS/SCI w/ FS Poly
Inferno Systems•Chantilly, VA
TS/SCI Full Scope Polygraph 5+ yrs exp
OPERATIONAL SYSTEM ENGINEER: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB SUMMARY: Inferno Systems ...
Posted 18 hours ago
user avatar
Helpdesk / Access Manager- Senior / Mid (Top Secret with agreeme
North Point Technology, LLC•Fort Belvoir, VA
TS/SCI CI Polygraph
This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Helpdesk / Access Manager (Senior / Mid) Position / LCAT: ...
Posted 1 day ago
user avatar
Help Desk Specialist
Kaizen Approach•Linthicum, MD
TS/SCI Polygraph 2+ yrs exp
Help Desk SupportLinthicum, MarylandSalary: USD 85000.00 - 109000.00 HourlyDescriptionAre you ready for a rewarding opportunity with a company who values your contributions? We are currently looking t...
Posted 1 day ago
user avatar
Linux Systems Administrator
ALKU•Aurora, CO
TS/SCI CI Polygraph
Linux Systems Administrator TS SCI w/ Poly with a Sec + Located in Aurora, CO Program Background: ALKU's Client is prime on a mission-critical effort that provides Tier 2 software sustainment and ma...
Posted 1 day ago
user avatar
TSSCI System Admin
Insight Global, Inc.•Aberdeen Proving Ground, MD
TS/SCI 5+ yrs exp
JOB DESCRIPTION Insight Global is seeking a TS/SCI System Administrator to support a cutting-edge cyber research and development program. This position is ideal for a well-rounded IT professional who ...
Posted 1 day ago
user avatar
DevOps Engineer
Quantum Science Solutions•Arlington, VA
TS/SCI 2+ yrs exp
Job Title: DevOps Engineer Location: Arlington, VA (On-Site) Clearance: Active TS/SCI Required Company: Quantum Science Solutions (QSS) Compensation: Open Rate Position Overview Quantum Science...
Posted 1 day ago
user avatar
System Administrator
Insight Global, Inc.•Aberdeen, MD
TS/SCI 5+ yrs exp
Position: System Administrator Location: Aberdeen, MD Clearance: TS/SCI REQUIRED SKILLS AND EXPERIENCE • Active Top Secret Clearance with ability to obtain/maintain TS/SCI • 5+ years of experience su...
Posted 1 day ago
user avatar
MECM Engineer
Kforce Federal Solutions•Quantico, VA
TS/SCI 5+ yrs exp
Position: MECM/ SCCM Engineer Location: on-site Quantico, VA 5 days a week Clearance required: an active TS/SCI Certification required: 8570/8140 IAT Level II (Security+ or equivalent) Compensation ra...
Posted 2 days ago
user avatar
Production Operations (ProdOps) Engineer
Black Cape•Bethesda, MD
TS/SCI 5+ yrs exp
Black Cape Title: Production Operations (ProdOps) Engineer Location: Bethesda, MD Onsite: Expected to go onsite (into a SCIF) 5 days per week Clearance: TS/SCI ***MUST have an Active TS/SCI clea...
Posted 2 days ago
user avatar
PRINCIPAL SYSTEMS ADMINISTRATOR - LINUX
ASD, Inc.•Linthicum, MD
TS/SCI Polygraph 10+ yrs exp
Principal Systems Administrator to join our dynamic team of technical professionals in Linthicum, MD. Note- The selected candidate will be required to work on-site, full-time, at our Linthicum, MD ca...
Posted 2 days ago
user avatar
System Administrator
Encode•Chantilly, VA
TS/SCI Full Scope Polygraph 2+ yrs exp
We are seeking an entry-level Linux System Administrator to support the installation, configuration, maintenance, and monitoring of Linux-based systems and servers. The ideal candidate should have fou...
Posted 2 days ago
E
IT Specialist
ExoCyber, Inc.•Fort Meade, MD
TS/SCI CI Polygraph 2+ yrs exp
Our client is seeking an IT Specialist to support a federal contract in Ft. Meade, MD. Experience Minimum five (5) years of experience supporting information technology operations, communications sy...
Posted 2 days ago
user avatar
Field Service Representatives / Service Desk Specialists Tier II
UICGS and Bowhead Family of Companies•Arlington, VA
TS/SCI Polygraph
OverviewFIELD SERVICE REPRESENTATIVE / SERVICE DESK SPECIALIST | TIER II (MIELS): Bowhead is seeking Field Service Representatives / Service Desk Specialists to support a customer in the Pentagon. Sup...
Posted 5 days ago
user avatar
SITEC - PC Technician - MacDill AFB
Peraton•Macdill Afb, FL
TS/SCI Not Specified
About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...
Posted 5 days ago
user avatar
Installation Technician
MANTECH•Tysons, VA
TS/SCI Not Specified
MANTECH seeks a motivated, career and customer-oriented Installation Technician to join our team in Tysons, VA. In this hands-on role, you will support the deployment and installation of secure networ...
Posted 5 days ago
user avatar
Installation Technician
MANTECH•Tysons, VA
TS/SCI Not Specified
MANTECH seeks a motivated, career and customer-oriented Installation Technician to join our team in Tysons, VA. In this hands-on role, you will support the deployment and installation of secure networ...
Posted 5 days ago
user avatar
Enterprise Service Desk Specialist
SOSi•Camp Hm Smith, HI
TS/SCI Not Specified
Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...
Posted 6 days 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