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 27,424 Jobs

Sort by:
user avatar
Senior Infrastructure Engineer
Peraton•College Park, MD
TS/SCI Polygraph $176,000 - $282,000 / yr
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...
Promoted•Posted 3 weeks ago
user avatar
Project Manager (ISR Acquisitions)
Assertive Professionals•Springfield, VA
TS/SCI Not Specified 5+ yrs exp $120,000 - $130,000 / yr
Project Manager (ISR Acquisitions)Springfield, VAApplyAssertive Professionals is seeking a ProjectManagersupporting our National Security Customer in Springfield, VA. This is an openposition. This is ...
Promoted•Posted 1 week ago
user avatar
Sr. Systems Engineer - Live Virtual Constructive (LVC) Training
Synectic Solutions, Inc
TS/SCI Not Specified
Synectic Solutions is seeking a Sr. Systems Engineer - Live Virtual Constructive (LVC) Training Systems to support the Tactical Combat Training System Increment II (TCTS II) / ATLaS program within the...
Posted just now
user avatar
Systems Engineer (Journeyman) - PMA 272
Synectic Solutions, Inc
TS/SCI Not Specified
Synectic Solutions is seeking Systems Engineer (Journeyman) to support the Advanced Tactical Aircraft Protection Systems Program Office (PMA-272) at NAS Patuxent River in Lexington Park, MD. PMA-272 m...
Posted just now
user avatar
Journeyman MBSE Systems Engineer - PMA 265
Synectic Solutions, Inc
TS/SCI Not Specified $107,600 - $119,100 / yr
Synectic Solutions is seeking a Journeyman MBSE Systems Engineer for the Model-Based Systems Engineering Division to support the F/A-18 and EA-18G Program Office (PMA-265) at Patuxent River Naval Air ...
Posted just now
user avatar
AI/ML Engineer & Data Management Specialist (Journeyman)
Synectic Solutions, Inc
TS/SCI Not Specified $150,000 - $160,000 / yr
Synectic Solutions is seeking an AI/ML Engineer & Data Management Specialist (Journeyman) to support the Combat Survivability Division's Low Observables (LO) Life Cycle Management (LCM) mission at NAS...
Posted just now
user avatar
Senior Specialist, Mechanical Engineer (Mechanisms)
L3Harris Technologies•Carlsbad, CA
TS/SCI Polygraph $102,000 - $189,500 / yr
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted just now
user avatar
Senior Associate, Production Planner
L3Harris Technologies•Carlsbad, CA
TS/SCI Polygraph $60,000 - $112,000 / yr
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted just now
user avatar
Sr Specialist, Systems Engineer (Space Systems)
L3Harris Technologies•Wilmington, MA
TS/SCI Not Specified $106,500 - $197,500 / yr
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted just now
user avatar
Director, Business Development - Spectral Division
L3Harris Technologies•Colorado Springs, CO
TS/SCI Not Specified $175,000 - $325,000 / yr
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted just now
user avatar
Senior Associate, Integration & Test Engineer
L3Harris Technologies•Melbourne, FL
TS/SCI Polygraph
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted just now
user avatar
Senior Specialist, Technical Trainer/ Mission Operations Trainer
L3Harris Technologies•Palm Bay, FL
TS/SCI Polygraph
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted just now
user avatar
Lead, Program Management
L3Harris Technologies•Greenville, TX
TS/SCI Not Specified
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...
Posted just now
user avatar
Senior DevSecOps Engineer
Aqua IT•Dulles, VA
TS/SCI CI Polygraph 10+ yrs exp
We are looking for a senior DevSecOps Engineer to join our program driving the Model Based Systems Engineering (MBSE) cloud platform that supports collection, management and analysis of digital engine...
Posted just now
user avatar
Test Automation Engineer
Aqua IT•Dulles, VA
TS/SCI CI Polygraph 5+ yrs exp
We are looking for a highly skilled Test Automation Engineer to join our technical program driving the Model Based Systems Engineering (MBSE) cloud platform that supports collection, management and an...
Posted just now
user avatar
Senior ServiceNow Developer
Aqua IT•Dulles, VA
TS/SCI CI Polygraph 10+ yrs exp
We are looking for a Senior level ServiceNow Developer to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud platform that supports collection, management and ...
Posted just now
user avatar
Senior Infrastructure Automation Engineer
TAD PGS•Washington, DC
TS/SCI Full Scope Polygraph 10+ yrs exp
Senior Infrastructure Automation EngineerPosted 10/27/2026Location: Washington, DCJob Type: EmployeeCareer Level: SeniorClearance Type: TS/SCIPolygraph: Full Scope PolygraphRemote: NoDescription:We ar...
Posted just now
user avatar
Software Integration Lead
Strategic Data Systems•Remote/Hybrid
TS/SCI 10+ yrs exp
Software Integration Lead NSWC Carderock Division, Bethesda, MD (Remote) Full-time with benefits *Contingent upon contract award* SDS is seeking a Software Integration Lead in Manassas, VA, to drive...
Posted just now
user avatar
Senior Vulnerability Researcher / Reverse Engineer
X8 LLC•Columbia, MD
TS/SCI CI Polygraph 10+ yrs exp
Senior Vulnerability Researcher / Reverse Engineer NBP1 | CNMF JTF-0 JOB DESCRIPTION X8 is seeking a Senior Vulnerability Researcher / Reverse Engineer to support U.S. Cyber Command (USCYBERCOM) unde...
Posted just now
user avatar
Target Analyst Reporter 2
Wyetech, LLC•Annapolis Junction, MD
TS/SCI Polygraph 5+ yrs exp
Target Analyst Reporter 2Annapolis Junction, MarylandRR Team /Analysis & Reporting (Full-Time) /On-siteAt Wyetech, you’ll be at the center of an award-winning corporate culture, breaking technolog...
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