Top Secret / SCI Clearance Jobs

Top Secret/SCI

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Top Secret / SCI Jobs requiring security clearance

Data Scientist, Level 3

New
Independent Software
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Posted today
5+ yrs exp
TS/SCI
Polygraph

Who are we?Independent Software is a consulting, product, and solutions firm dedicated to the practical application of software and system engineering technologies to solve complex problems.We bring t...

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System Administrator, Level 3 (FORECASTED)

New
Independent Software
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Posted today
10+ yrs exp
TS/SCI
Polygraph

Who are we?Independent Software is a consulting, product, and solutions firm dedicated to the practical application of software and system engineering technologies to solve complex problems.We bring t...

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Software Engineer, Level 1

New
Independent Software
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Posted today
5+ yrs exp
TS/SCI
Polygraph

Who are we?Independent Software is a consulting, product, and solutions firm dedicated to the practical application of software and system engineering technologies to solve complex problems.We bring t...

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Systems Engineer SME (TS/SCI with Poly Required)

New
GCI
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Posted today
10+ yrs exp
TS/SCI
Polygraph

Job Category: IT Infrastructure and OperationsRequisition Number: SYSTE002133Posting DetailsPosted: June 2, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDJob DetailsDescriptionGC...

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Full Stack Java Developer SME (TS/SCI with Poly Required)

New
GCI, Inc
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Posted today
10+ yrs exp
TS/SCI
Polygraph

Job Category: Software EngineeringRequisition Number: SOFTW002124Posting DetailsPosted: June 2, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDLocationsShowing 1 locationDulles Co...

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Data Engineer (TS/SCI with Poly Required)

New
GCI
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Posted today
5+ yrs exp
TS/SCI
Polygraph

Job Category: Data Science and Data EngineeringRequisition Number: DATAE001974Posting DetailsPosted: April 13, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDJob DetailsDescriptio...

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Mid-Level Full-Stack Software Engineer

New
Visionist
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Posted today
5+ yrs exp
TS/SCI
Polygraph

Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new, fully FUNDED opportunity for a Mid-Level Full-Stack Software Engineer on our largest PRIME contract...

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Data Scientist (TS/SCI with Poly Required)

New
GCI, Inc
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Posted today
5+ yrs exp
TS/SCI
Polygraph

Job Category: Data Science and Data EngineeringRequisition Number: DATAS002134Posting DetailsPosted: June 2, 2026Full-TimeOn-siteSalary Range: $81,348.80 USD to $135,865.60 USDJob DetailsDescriptionGC...

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Software Developer SME (Systems Software) (TS/SCI with Poly Req

New
GCI
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Posted today
10+ yrs exp
TS/SCI
Polygraph

Job Category: Software EngineeringRequisition Number: SOFTW002132Posting DetailsPosted: June 2, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDJob DetailsDescriptionGCI embodies e...

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Junior Full Stack Software Engineer (AWS Certification Required)

New
Visionist
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Posted today
2+ yrs exp
TS/SCI
Polygraph

Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new opportunity for a Junior Full Stack Software Engineer. You will be joining a critical mission suppor...

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MEDLOG Operations & Plans Analyst

New
Command Holdings a Pequot Company
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Camp Smith, HI(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Not Specified

Job Category: Military Operations & TrainingRequisition Number: MEDLO001250Posting DetailsPosted: April 15, 2026Full-TimeOn-siteLocationsShowing 1 locationHI - Camp SmithCamp Smith USMCCamp H M Sm...

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Joint SOF Trainer (Operations and Planning) IV

New
CeLeen
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Colorado Springs, CO(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Not Specified

Job Category: Military Operations & TrainingRequisition Number: JOINT001281Posting Details Posted: May 4, 2026 Full-Time Job DetailsDescriptionCeLeen, an operating...

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SOF Exercise Designer IV

New
Command Holdings a Pequot Company
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Tampa, FL(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Not Specified

Job Category: Military Operations & TrainingRequisition Number: SOFEX001286Posting Details Posted: May 28, 2026 Full-Time On-site Job DetailsDescriptionQuattro C...

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CBRN Operational SME

New
K2 Group, Inc.
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Arlington, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Not Specified

K2 Group, Inc. CBRN Operational SME CBRNE/WMD-Defeat - Arlington, VA - Full Time*This is a contingent opportunity K2 Group is seeking a CBRN Operational SME to provide support to the Headquarters Air ...

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Senior Program / Product Manager - Army

New
Raft
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Aberdeen Proving Ground, MD(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Not Specified

NewSenior Program / Product Manager - ArmyAberdeen Proving Ground, MarylandApplyThis is a U.S. based position. All of the programs we support require U.S. citizenship to be eligible for employment. Al...

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Senior Software Engineer

New
Altamira Technologies
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Denver, CO(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Not Specified

Altamira Technologies is seeking Senior Software Engineers to join our world-class Space Systems engineering team in Denver, CO. As a candidate for this opportunity, you should have a good foundation ...

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Chief Growth Officer

New
Jovian Concepts, LLC
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Hanover, MD(On-Site/Office)
Posted today
President, CEO
TS/SCI
Full Scope Polygraph

Jovian Concepts, LLC is seeking a Chief Growth Officer (CGO) to lead the company's strategic growth initiatives and drive expansion across the Intelligence Community, Department of Defense, and Federa...

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Junior Helpdesk Specialist

New
D2 Consulting
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Saint Louis, MO(On-Site/Office)
Posted today
2+ yrs exp
TS/SCI
Not Specified

**ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED** Shift: Sunday through Wednesday 5am CST - 3pm CST (training will be 8am CST - 4pm CST) The Junior Helpdesk Specialist provides superior customer service i...

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Senior Software Engineer

New
2HB Incorporated
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Annapolis Junction, MD(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Full Scope Polygraph

This is a full-time position, and requires a TS/SCI/Full Scope Polygraph Clearance. 2HB Incorporated is seeking a Senior Software Engineer in order to support its government customer in Annapoli...

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AI Product Manager - SME

New
Gormat, LLC
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Annapolis Junction, MD(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

We're seeking an amazingly talented AI Product Manager to join our team! In this role you will get to provide strategic and operational guidance to teams developing AI-enabled solutions. This role is ...

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