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

Top Secret / SCI Clearance Jobs

Showing 17,664 Jobs

Sort by:
user avatar
Senior Defense Technologist - Modeling and Simulation
Modern Technology Solutions, Inc.•Mclean, VA
TS/SCI Not Specified
MTSI is seeking a Senior Defense Technologist - Modeling & Simulation (SDT-M&S) will serve as a senior technical architecture integrator within OUSW(R&E), providing advanced modeling, simulation, and ...
Posted just now
user avatar
Manager of Manufacturing Product Owners - Millennium Space Syste
Boeing•El Segundo, CA
TS/SCI Not Specified
Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...
Posted just now
user avatar
Wire Design and Installation Engineer (Experienced or Senior)
Boeing•Herndon, VA
TS/SCI Full Scope Polygraph
Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...
Posted just now
user avatar
Deputy Site Program Manager
KBR•Aurora, CO
TS/SCI Not Specified
Title:Deputy Site Program Manager Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intell...
Posted just now
user avatar
Site Program Manager
KBR•Aurora, CO
TS/SCI Not Specified
Title:Site Program ManagerB elong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence ...
Posted just now
user avatar
Front End Developer - Mid-level
Maximus Inc•Fort Meade, MD
TS/SCI Not Specified
Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...
Posted 1 hour ago
user avatar
DevOps / Release Management Engineer
Maximus Inc•Fort Meade, MD
TS/SCI Not Specified
Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...
Posted 1 hour ago
user avatar
AI/ML Software Developer
Maximus Inc•San Antonio, TX
TS/SCI Not Specified
Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...
Posted 1 hour ago
user avatar
Cyber Security Engineer
Maximus Inc•San Antonio, TX
TS/SCI Not Specified
Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...
Posted 1 hour ago
user avatar
Pre-Award: Operations Research/Systems Analysis (ORSA) Tech
Barbaricum•Aberdeen, MD
TS/SCI Not Specified 5+ yrs exp
Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than ...
Posted 2 hours ago
user avatar
Intelligence Operations Integrator
Barbaricum•Camp Lejeune, NC
TS/SCI Not Specified 5+ yrs exp
Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than ...
Posted 2 hours ago
user avatar
Test & Integration Engineer
Power3 Solutions•Linthicum Heights, MD
TS/SCI Polygraph 5+ yrs exp
We solve difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide f...
Posted 2 hours ago
user avatar
Agile Developer L3 - Java/Python
Power3 Solutions•Annapolis Junction, MD
TS/SCI CI Polygraph 10+ yrs exp
We arelooking for an experienced Agile Developer to join their rapidly growing team! Qualifications: TS/SCI Poly - with CI poly within last 7 years BS + 9 years experience Desired Skills: Tools:C...
Posted 2 hours ago
user avatar
Sr. Data Scientist
Power3 Solutions•Linthicum Heights, MD
TS/SCI Polygraph 10+ yrs exp
We solve difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide f...
Posted 2 hours ago
user avatar
Software Data Engineer (Enterprise Infrastructure)
Power3 Solutions•Laurel, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
We solve difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide f...
Posted 2 hours ago
user avatar
Principal Systems Engineer (Mission Management)
Power3 Solutions•Fort Meade, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
We solve difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide f...
Posted 2 hours ago
user avatar
Software Engineer 0
Geon Technologies•Remote/Hybrid
TS/SCI Polygraph 5+ yrs exp
Geon Technologies is a rapidly growing small business that provides signal processing and sensor system integration services to the United States Government (USG) and the industry base that supports t...
Posted 2 hours ago
user avatar
Information Systems Security Specialist
NewGen Technologies•Arlington, VA
TS/SCI Not Specified 5+ yrs exp
Information Systems Security SpecialistArlington, VA · Information TechnologyApply NowOur Partner, as a prime contractor to the Government Customer, performs investigations to develop a preliminary di...
Posted 3 hours ago
user avatar
Secured Facility Guard Support Services - Officer
CACI•Germany
TS/SCI Polygraph
Job Title: Secured Facility Guard Support Services - OfficerJob Category: SecurityTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: Regular-Long Term Assignm...
Posted 3 hours ago
user avatar
Army Account Manager
CACI•Remote/Hybrid
TS/SCI Not Specified
Job Title: Army Account ManagerJob Category: Business Development and MarketingTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to...
Posted 3 hours 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