• Senior Software Engineer

    KBR (Chantilly, VA)
    …junior engineers + Perform other duties as assigned Minimum Qualifications: + Active TS // SCI with CI Polygraph + Bachelor's degree in computer science, ... Title: Senior Software Engineer KBR is seeking a Senior Software ...Neural Networks/Machine Learning Security Requirements: Must have an active TS - SCI with a current CI Polygraph Belong,… more
    KBR (09/02/25)
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  • Radar Research Engineer

    KBR (Chantilly, VA)
    …travel. + Working Hours: Standard 40 hours per week. Qualifications: Required: + Clearance: Top Secret / SCI + Education: Pursuing Bachelor's, Master's, or PhD ... Title: Radar Research Engineer Belong. Connect. Grow. with KBR! KBR's National...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (10/04/25)
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  • Senior Engineer for Joint Command…

    IronMountain Solutions, Inc. (Arlington, VA)
    …desired. + Active TOP SECRET clearance with eligibility for Sensitive Compartmentalized Information ( SCI ) and Special Access Programs (SAP). ... 501165 Senior Engineer for Joint Command and Control Work Location:...leading the planning and execution of complex engineering and systems analysis efforts for the DoD and/or IC. +… more
    IronMountain Solutions, Inc. (09/28/25)
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  • Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    …experience modernizing complex enterprise cybersecurity systems . + Candidate must have a TS / SCI with ability to obtain a Polygraph + Certified DoD 8140.01 ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel...infrastructure and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions… more
    CACI International (11/14/25)
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  • Terrestrial COMSEC Network Engineer

    CACI International (Springfield, VA)
    …responsible for executing the communications security program, ensuring the protection of sensitive information transmitted network connected and point to point ... Terrestrial COMSEC Network Engineer Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (10/25/25)
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  • Sr AI/ML Engineer

    KBR (Chantilly, VA)
    …help develop high-performance ML models. + Other duties as assigned Required Qualifications: + Active TS / SCI with current CI polygraph + Have at least 8 years of ... Title: Sr AI/ML Engineer Belong. Connect. Grow. with KBR! KBR's National...and external leadership. Security Requirements: Must have an active TS - SCI with a current Polygraph Belong, Connect… more
    KBR (10/21/25)
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  • RF Systems Engineer

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is looking for a Radio Frequency (RF) Systems Engineer to provide management and outreach support to the Gov customer RF Program ... roadmaps + Support transition of mature TF hardware to system program offices for flight development + Survey state-of-the-art...industry partners Required Qualifications + Must have an active TS / SCI with CI Polygraph + US Citizenship… more
    Noblis (09/30/25)
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  • Network Operations Center (NOC) Engineer…

    CACI International (Springfield, VA)
    Network Operations Center (NOC) Engineer (Tier 2) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI ... in their activities. + Clearly communicates, verbally and written **Qualifications:** + TS / SCI with Poly required + Bachelor's degree in Computer Science,… more
    CACI International (10/25/25)
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  • AI Machine Learning Engineer

    SAIC (Chantilly, VA)
    …+ Active TS / SCI with polygraph. + Bachelors in computer science, information systems , or a related field and 9 years or more experience; Masters ... operations. This position is in **Chantilly, VA** and requires an **active TS / SCI clearance with Polygraph.** **JOB RESPONSIBILITES INCLUDE:** + Train machine… more
    SAIC (10/04/25)
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  • Facilities Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz Allen, ... Engineer , Senior The Opportunity: As a facilities engineer , you understand the workings behind complex systems...in engineering with MEP construction drawing sets + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (11/16/25)
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