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Top Secret/SCI

Top Secret / SCI Clearance Jobs

Showing 19,402 Jobs

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Information Systems Security Officer (ISSO) – Skill Level 3
Kaizen Approach
TS/SCI Polygraph 10+ yrs exp
Kaizen Approach is currently seeking an Information Systems Security Officer (ISSO) to provide support for a program, organization, system, or enclave’s information assurance program. In this role, th...
Posted just now
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Information Systems Security Engineer (ISSE) – Skill Level 3
Kaizen Approach
TS/SCI Polygraph 10+ yrs exp
Kaizen Approach is currently seeking an Information Systems Security Engineer (ISSE) to perform or review technical security assessments of computing environments to identify vulnerabilities, non-comp...
Posted just now
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Chief Engineer - Strategic Programs
BAE Systems
TS/SCI Not Specified
Job Description BAE Systems is seeking an experienced chief engineer to join our Integrated Defense Solutions team in an exciting program supporting the U.S. Navy's current and future generations of s...
Posted just now
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Engineer II - Materials and Process Laboratory
BAE Systems
TS/SCI Polygraph
Job Description We believe a career should be filled with innovation, technical challenges, and hands-on involvement supporting next-generation technologies. That is exactly what you will find within ...
Posted just now
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Information Security Engineer, Senior
Semper Valens Solutions, Inc.
TS/SCI Not Specified 10+ yrs exp
Information Security Engineer, Senior Full Time Aberdeen Proving Ground, MD Top Secret/SCI ClearanceReferral bonus: $1,000Job Description: Responsibilities The ISE will serve as the overall security ...
Posted just now
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DevOps Engineer, Senior
Booz Allen Hamilton
TS/SCI Polygraph
Job Number: R0231550DevOps Engineer, SeniorThe Opportunity:We're seeking a DevOps Engineer who is motivated by mission impact and ready to support some of the most critical systems in the space domain...
Posted just now
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Red Switch Systems Administrator
BAE Systems
TS/SCI Not Specified
Job Description The selected candidate will maintain secure voice, data, message, and video telecommunications systems, equipment, and circuits for a government agency's communications command, suppor...
Posted just now
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Future Payloads Electrical Engineer
BAE Systems
TS/SCI Not Specified
Job Description BAE Systems is looking for an experienced Electrical Engineer to join our team for an exciting opportunity supporting future payloads systems. The Engineer will assist the Air Force Nu...
Posted just now
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Next Generation LPO Systems Engineer
BAE Systems
TS/SCI Not Specified
Job Description We are looking for a highly capable Systems Engineer who does more than just "manage" a process-we need someone who can dive deep into the physics of warhead and reentry vehicle (RV) d...
Posted just now
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Cloud Software Engineer
Visionist, Inc.•Remote/Hybrid
TS/SCI Polygraph 5+ yrs exp
Active Top Secret (TS/SCI) clearance with polygraph is required.Visionist has an exciting new, fully FUNDED opportunity for a Cloud Software Engineer. You will be joining a critical mission supporting...
Posted just now
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Corporate Communications Specialist, Mid
Booz Allen Hamilton
TS/SCI Polygraph
Job Number: R0234200Corporate Communications Specialist, MidThe Opportunity: The Communications Specialist is a versatile and experienced professional responsible for developing, managing, and executi...
Posted just now
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Acquisition Analyst
Booz Allen Hamilton
TS/SCI Not Specified
Job Number: R0234679Acquisition AnalystThe Opportunity:As a defense mission professional, you ask questions others don't. You understand the nuances of complex situations. You use your skills to think...
Posted just now
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Systems Engineer - ServiceNow Developer
Ardent Principles
TS/SCI Full Scope Polygraph 5+ yrs exp
Careers at Systems Engineer - ServiceNow Developer REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in Chantilly, VA We’re looking for a Systems ...
Posted just now
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Penetration Tester (Cyber Security Project Engineer)
Ardent Principles
TS/SCI Full Scope Polygraph 5+ yrs exp
Careers at Penetration Tester (Cyber Security Project Engineer) REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in Chantilly, VAWe’re seeking a ...
Posted just now
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Future Operations Planning Analyst
Lukos
TS/SCI Not Specified 10+ yrs exp
Position: Future Operations Planning AnalystLocation: Tampa, FLJob Id: 2008-OAMS - 25P-MO-9...
Posted just now
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AFRICOM - Mobility Planning Specialist
CACI
TS/SCI Not Specified
Job Title: AFRICOM - Mobility Planning SpecialistJob Category: LogisticsTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: Regular-Long Term AssignmentPercentage of Travel R...
Posted just now
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SATCOM RF Engineer IV
Invictus
TS/SCI CI Polygraph 10+ yrs exp
Title: SATCOM RF Engineer IVLocation: Washington, D.C.Clearance: TS/SCI with the ability to obtain and maintain a CI polygraphJob Details: Experience in communication system development, satellite gro...
Posted just now
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Combined Space Operations SME
Booz Allen Hamilton
TS/SCI Not Specified
Job Number: R0237115Combined Space Operations SME The Opportunity :As a defense mission professional, you ask questions others don't. You understand the nuances of complex situations. You use your ski...
Posted just now
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OCONUS Tech Targeter (TS/SCI with Poly Required)
GCI
TS/SCI Polygraph 10+ yrs exp
Job Category: Cyber Security Technical AnalysisRequisition Number: TECHN001820Posting DetailsPosted: April 30, 2026Full-TimeOn-siteSalary Range: $139,984 USD to $233,771.20 USDLocationsShowing 1 locat...
Posted just now
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SOO / Desk Officer (TS/SCI with Poly Required)
GCI
TS/SCI Polygraph 5+ yrs exp
Job Category: Program Delivery and ExecutionRequisition Number: SOODE002160Posting DetailsPosted: June 11, 2026Full-TimeOn-siteSalary Range: $124,092.80 USD to $207,251.20 USDLocationsChantilly, VA, U...
Posted just now
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