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Keywords: Test Engineer - TS/SCI Polygraph, Location: Herndon, VA

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Test Engineer - TS/SCI Polygraph

. Required Clearance: Active TS/SCI polygraph OR SCI eligibility and able to obtain a polygraph may be considered for the right candidate...Position Description: Seeking an experienced Test Engineer to join our SITE III Directorate Operations (DO) team...

Company: Leidos
Location: Herndon, VA
Posted Date: 25 Feb 2026
Salary: $92300 - 166850 per year

Systems Test Engineer - TS/SCI with CI Polygraph

TITLE: Systems Test Engineer LOCATION: Sterling, VA CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph... Must possess an active Department of Defense (DoD) TS/SCI with CI Polygraph security clearance. Bachelor's degree in Engineering...

Posted Date: 09 Feb 2026

Senior Platform Engineer - TS/SCI with CI Polygraph

TITLE: Senior Platform Engineer LOCATION: Sterling, VA CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph...) TS/SCI with CI Polygraph security clearance. Bachelor's degree in a STEM discipline (e.g., Computer Science, Engineering...

Posted Date: 14 Feb 2026

DevOps Engineer - Active TS/SCI clearance with Polygraph

Distributed Solutions, Inc. (DSI) is a fast-growing company seeking a DevOps Engineer to work closely with DSI... Account Management. Document and maintain customer test and production environments and processes to ensure that DSI installs...

Location: Reston, VA
Posted Date: 25 Feb 2026

DevOps Engineer - Active TS/SCI clearance with Polygraph

Distributed Solutions, Inc. (DSI) is a fast-growing company seeking a DevOps Engineer to work closely with DSI... Account Management. Document and maintain customer test and production environments and processes to ensure that DSI installs...

Posted Date: 30 Dec 2025

Systems Engineer (TS/SCI)

across complex enterprise programs. Active TS/SCI clearance is required. Work Environment: On-site in Herndon, VA in a classified... environment. Provide accurate and detailed documentation of test results and engineering impacts. Qualifications: Active TS...

Posted Date: 25 Feb 2026
Salary: $150000 - 190000 per year

Principle Systems Engineer (MBSE) with Active TS/SCI w/Poly

TITLE: Principle Systems Engineer (MBSE) with Active TS/SCI w/Poly RATE RANGE: $65/hr - $84/hr W2 **Depends... simulations to analyze and optimize the performance of complex systems. REQUIRED SKILLS: Active and transferable TS/SCI...

Company: GeoLogics
Location: Sterling, VA
Posted Date: 24 Feb 2026

Exchange Engineer - TS/SCI

to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations... Systems Engineering area of responsibility WHAT YOU’LL NEED: Active TS/SCI clearance and ability to obtain and maintain...

Company: General Dynamics
Location: Sterling, VA
Posted Date: 15 Feb 2026
Salary: $128039 - 173229 per year

DevSecOps Engineer - TS/SCI Clearance

DevSecOps Engineer Herndon, VA Active TS/SCI clearance and be willing and able to obtain a CI polygraph... of release products. Minimum Requirements: Must be a U.S. Citizen Must have a current/active TS/SCI and be willing and able...

Company: @Orchard
Location: Herndon, VA
Posted Date: 29 Jan 2026

DevSecOps Engineer - TS/SCI Clearance

DevSecOps Engineer Herndon, VA Active TS/SCI clearance and be willing and able to obtain a CI polygraph... of release products. Minimum Requirements: Must be a U.S. Citizen Must have a current/active TS/SCI and be willing and able...

Company: @Orchard
Location: Herndon, VA
Posted Date: 29 Jan 2026

Senior Test Engineer

looking for the next Senior Test Engineer to join our team of experts! Position Description: Seeking an experienced Test Engineer...; an additional 4 years of experience maybe considered in lieu of a degree requirement Active TS/SCI or SCI eligibility and active...

Posted Date: 21 Feb 2026

Penetration Tester

security analysis, including software or traffic analysis TS/SCI clearance with a polygraph HS diploma or GED Nice... will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI...

Location: Herndon, VA
Posted Date: 22 Feb 2026
Salary: $86800 - 198000 per year

Penetration Tester

security analysis, including software or traffic analysis TS/SCI clearance with a polygraph HS diploma or GED Nice... will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI...

Location: Herndon, VA
Posted Date: 08 Feb 2026
Salary: $86800 - 198000 per year

Principle Systems Engineer (Sterling, VA)

: Sterling, VA Duration: 12 month contract Education/Experience Required: Active and transferable TS/SCI with CI Polygraph... environment (Government, Military, SETA, and Contractor). Active and transferable TS/SCI with CI Polygraph U.S. government-issued...

Location: Sterling, VA
Posted Date: 25 Feb 2026

Principal Systems Engineer - RF/SATCOM

-critical government and defense communications. This position requires an active TS/SCI clearance with CI polygraph... with RF lab measurement tools and SDR platforms. Active Top Secret/SCI clearance with CI polygraph (within last 10 years...

Company: TalentRemedy
Location: Herndon, VA
Posted Date: 22 Feb 2026

UI Software Engineer

with Node.js and Neo4j. Active TS with ability to obtain SCI and a polygraph Desired Qualifications Knowledge...Responsibilities About The Role: Seeking an experienced UI engineer with strong API development skills to build...

Company: Peraton
Location: Herndon, VA
Posted Date: 18 Feb 2026
Salary: $80000 - 128000 per year

Software Developer - Engineer IV

: Active Top Secret SCI (TS/SCI) with Polygraph Citizenship: U.S. Citizenship is required. Education: Bachelor’s degree...Responsibilities: Noblis is seeking a highly skilled and motivated Software Engineer IV with an active Top Secret/SCI...

Company: Noblis
Location: Reston, VA
Posted Date: 14 Feb 2026

Software Developer - Engineer IV

code reviews. Required Qualifications Clearance: Active Top Secret SCI (TS/SCI) with Polygraph Citizenship... with an active Top Secret/SCI with Polygraph clearance to join our team in support of national security missions. The ideal...

Company: Noblis
Location: Reston, VA
Posted Date: 14 Feb 2026

Systems Engineer

/SCI w/ Full Scope Polygraph 10–14 years of relevant systems engineering experience Demonstrated experience working...Description: Markon is seeking an experienced Systems Engineer to support the design, development, integration...

Company: Markon
Location: Herndon, VA
Posted Date: 14 Feb 2026

Systems Engineer - Mid Level

: ​ Requires an active TS/SCI with Polygraph Clearance (Has been active in the past 24 months) U.S. Citizenship Systems.... Find your future with us. Systems Engineer - Mid Level Why This is an Exciting Role: Boeing Defense, Space & Security (BDS) seeks...

Company: Boeing
Location: Herndon, VA
Posted Date: 11 Feb 2026
Salary: $127000 - 155000 per year