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Top Secret/SCI

Top Secret / SCI Clearance Jobs

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System Engineer Level 3

New
IntelliGenesis LLC
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Posted today
10+ yrs exp
TS/SCI
Polygraph

IntelliGenesisSystem Engineer Level 3Mission Ops - Development - Annapolis Junction, MD - Full TimeResponsibilities:Infrastructure Automation: Design, provision, and maintain scalable Infrastructure a...

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Microsoft SQL Server Administrator - TS/SCI

New
Xcelerate Solutions
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Posted today
10+ yrs exp
TS/SCI
CI Polygraph

Microsoft SQL Server Administrator – TS/SCI Xcelerate Solutions is seeking a skilled Microsoft SQL Server Administrator to join our team supporting the National Digital Exploitation & OSINT Center...

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Senior Software Engineer

New
Visionist, Inc.
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Posted today
10+ 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 Senior Software Engineer on our largest PRIME contract. Our team of ...

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Senior Software Engineer (Reverse Engineering)

New
Visionist
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Posted today
10+ 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 Senior Software Engineer (Reverse Engineering) on our largest PRIME contra...

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Embedded Capabilities Developer

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 an Embedded Capabilities Developer on our largest PRIME contract. Our team o...

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System Administrator

New
Visionist, Inc.
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Posted today
10+ 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 System Administrator on our largest PRIME contract. Our team of Analysts a...

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Cloud Software Engineer

New
Visionist, Inc.
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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 Cloud Software Engineer.  You will be joining a critical m...

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Storage Engineer - TS/SCI

New
Xcelerate Solutions
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Posted today
10+ yrs exp
TS/SCI
Polygraph

Storage Engineer – TS/SCIXcelerate Solution is seeking a Storage Engineer to support the National Digital Exploitation & OSINT Center (NDOC).This role requires technical expertise in storage engin...

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Project Manager

New
Toyon Research Corporation
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Posted today
5+ yrs exp
TS/SCI
Not Specified

<br><br>><br><br>U.S. Citizenship Required. Ability to qualify for a US Department of Defense Top Secret security clearance required. Candidate must be SAP and SCI program e...

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Hardware/Software Design Engineer (Senior) – FULLY CLEARED wit

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

FPGA, DSP, C++, Vivado, Eqpiq Solution PDKDue to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.Required: ...

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Linux Admin/Test Engineer (Ft. Eisenhower)

New
MAXISIQ
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Posted today
5+ yrs exp
TS/SCI
CI Polygraph

Company DescriptionAt MAXISIQ, curious minds tackle real-world cyber challenges that matter. Teams develop, test, and secure advanced technology powering today’s and tomorrow’s missions. We experiment...

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Copy of Information Security Specialist

New
MAXISIQ, Inc.
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Posted today
10+ yrs exp
TS/SCI
Not Specified

Company DescriptionSince 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of o...

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Information Security Specialist

New
MAXISIQ
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Posted today
10+ yrs exp
TS/SCI
Not Specified

Company DescriptionSince 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of o...

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Information Security Specialist

New
MAXISIQ, Inc.
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Posted today
10+ yrs exp
TS/SCI
Not Specified

Company DescriptionSince 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of o...

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Junior Security Engineer

New
MAXISIQ
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Posted today
2+ yrs exp
TS/SCI
Not Specified

Company DescriptionAt MAXISIQ, curious minds tackle real-world cyber challenges that matter. Teams develop, test, and secure advanced technology powering today’s and tomorrow’s missions. We experiment...

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Data Scientist/Data Engineer (Senior)

New
Full Visibility LLC
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Posted today
10+ yrs exp
TS/SCI
CI Polygraph

Full Visibility LLC | Full time Data Scientist/Data Engineer (Senior) Huntsville, United States | Posted on 07/24/2026 I'm interested {{getI18n("zr.cw.sh.job")}} Share job via e...

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Mid DevOps Engineer

New
Full Visibility LLC
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Posted today
5+ yrs exp
TS/SCI
CI Polygraph

Full Visibility LLC | Full time Mid DevOps Engineer Huntsville, United States | Posted on 07/23/2026 I'm interested Share this job with your network Job lis...

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Graph Database Engineer (TS/SCI with Poly Required)

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

Job Category: Software EngineeringRequisition Number: GRAPH001977Posting DetailsPosted: June 25, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDLocationsShowing 1 locationChantill...

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ISSO/Security Engineer (TS/SCI with Poly Required)

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

Job Category: IT Infrastructure and OperationsRequisition Number: ISSOS002228Posting DetailsPosted: July 24, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDJob DetailsDescriptionG...

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Cloud Engineer (TS/SCI with Poly Required)

New
GCI, Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
10+ yrs exp
TS/SCI
Polygraph

Job Category: Software EngineeringRequisition Number: CLOUD002227Posting DetailsPosted: July 24, 2026Full-TimeOn-siteSalary Range: $187,179.20 USD to $318,198.40 USDJob DetailsDescriptionGCI embodies ...

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