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 19,358 Jobs

Sort by:
user avatar
IT Specialist
Zachary Piper Solutions, LLC
TS/SCI Not Specified
ZP is seeking an IT System Specialist to deploy and maintain IT systems inside Secret Collateral and SCI-accredited spaces, including SCIF infrastructure.This role is responsible for building, securin...
Posted just now
user avatar
Program Manager
Zachary Piper Solutions, LLC
TS/SCI Polygraph
*Active TS/SCI Clearance is needed for consideration to this role* Zachary Piper Solutions is currently seeking a Program Manager to support a Space Combat Power Systems Acquisition Program based in ...
Posted just now
user avatar
Systems Engineer - Integration and Test
RTX
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
user avatar
Software Engineer TS/SCI Polygraph
Leidos
TS/SCI Polygraph
R-00186603Description Job DescriptionLeidos has a new and exciting opportunity for a Software Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is...
Posted just now
user avatar
Prin Sys Engineer - Operations and Maintenance
RTX
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
user avatar
Satellite Analyst
Leidos
TS/SCI Polygraph
R-00186580Description Position SummaryMust possess a current/active TS/SCI Clearance with Polygraph. Applicants who do not currently hold the required clearance will not be considered.Work as an integ...
Posted just now
user avatar
Sr Systems Engineer - Integration and Test
RTX
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
user avatar
Sr. Systems Engineer - TS/SCI w/poly
Peraton
TS/SCI Polygraph
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 just now
user avatar
Second Shift Operator
RTX
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-VA-SPRINGFIELD-7500-CUST ~ 7500 Geoint Dr ~ GEOINT (External Site) Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigrati...
Posted just now
user avatar
Engineer Info Assurance SME
HII Mission Technologies•Nashville, TN
TS/SCI Polygraph
Requisition Number: 29203 Required Travel: 0 - 10% Employment Type: Part Time/Hourly/Non-Exempt Anticipated Salary Range: $154,354.00 - $250,000.00 Security Clearance: TS/SCI with Poly Level of Exp...
Posted just now
user avatar
Systems Engineer Subject Matter Expert
HII Mission Technologies•Dayton, OH
TS/SCI Not Specified
Requisition Number: 29201 Required Travel: 11 - 25% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $135,954.00 - $200,000.00 Security Clearance: TS/SCI Level of Experience: Se...
Posted just now
user avatar
Product Champion - 29198
HII Mission Technologies•Augusta, GA
TS/SCI CI Polygraph
Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capab...
Posted just now
user avatar
Prin Systems Engineer - Integration and Test (C2)
RTX•Aurora, CO
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
user avatar
Senior Command & Control Software Engineer (Onsite)
RTX•Aurora, CO
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
user avatar
Software Engineer II (Onsite)
RTX•Richardson, TX
TS/SCI Not Specified
Date Posted:2026-07-01Country:United States of America Location:US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requi...
Posted just now
user avatar
Senior Software Engineer (Onsite)
RTX•Richardson, TX
TS/SCI Not Specified
Date Posted:2026-07-01Country:United States of America Location:US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requi...
Posted just now
user avatar
Sr Systems Engineer - Integration and Test (C2)
RTX•Aurora, CO
TS/SCI Polygraph
Date Posted:2026-07-01Country:United States of America Location:US-CO-AURORA-S75 ~ 16800 E Centretech Pkwy ~ BLDG S75 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...
Posted just now
user avatar
Security Specialist II
Olgoonik Corporation•Washington, DC
TS/SCI None
Olgoonik is an Equal Opportunity Employer Overview: The Security Specialist works with the Bureau of Diplomatic Security. Familiar with all aspects of industrial security, information security, ope...
Posted just now
user avatar
HR Specialist
Gemini Industries Inc•Fort Washington, MD
TS/SCI 5+ yrs exp
Gemini Industries Inc. provides technical, management and operations services to support National Security projects. We provide rapid response to the critical needs of our customers and those they ser...
Posted just now
user avatar
Senior Salesforce Developer
PingWind Inc.•Remote/Hybrid
TS/SCI Not Specified
Location: RemoteExperience: 8+ years of experienceEducation: Bachelor's Degree in computer science, electronics engineering or other engineering or technical Description PingWind is seeking a Senior S...
Posted just now
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