• Systems Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Systems Engineer , Senior The Opportunity: Are...need to meet eligibility requirements for access to classified information ; TS / SCI clearance is ... your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world...mission planning tools and intelligence data fusion + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (12/18/25)
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  • System Engineer (SDA) - Enterprise

    QinetiQ (Chantilly, VA)
    …architecture and enhance resilience. QinetiQ has an immediate opening for a systems engineer to support SDA's enterprise operations. The candidate will ... systems engineering guidance in the development of test and evaluation plans, system verification plans, and other systems engineering processes and documents… more
    QinetiQ (12/15/25)
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  • Research Science / Senior AI Machine Learning…

    CACI International (Sterling, VA)
    …with concepts and techniques associated with adversarial AI and AI/ML assurance.** **Active Top Secret / SCI clearance preferred.** - ** ** **What You ... Research Science / Senior AI Machine Learning Research Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of… more
    CACI International (11/25/25)
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  • Data Scientist / Senior AI Machine Learning…

    CACI International (Sterling, VA)
    …with concepts and techniques associated with adversarial AI and AI/ML assurance. + Active Top Secret / SCI clearance preferred. - ** ** **What You Can ... Data Scientist / Senior AI Machine Learning Research Engineer Job Category: Science Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of… more
    CACI International (11/25/25)
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  • Senior Network Engineer Data Center Manager

    ManTech (Charlottesville, VA)
    …for installs, tech refresh, and maintaining all IT hardware to support customer's Top - Secret Network. + Provides resolutions to out of the ordinary issues ... and supporting Microsoft Office products **Clearance Requirements:** + Must have a current/active TS / SCI clearance and the ability to obtain and maintain a… more
    ManTech (12/31/25)
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  • Network Engineer

    System One (Springfield, VA)
    …Contract To Hire Compensation: $130,000 - $150,000 depending on experience Security Clearance: TS / SCI Network Engineer to provide support for LAN/WAN by ... LAN hardware to include voice, video, and data cable systems . Develops system specifications, architecture designs, integration...Field + 4+ years' experience working as a Network Engineer + TS / SCI Security Clearance… more
    System One (12/26/25)
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  • Chief Engineer (Integrated Broadcast…

    CACI International (Fort Belvoir, VA)
    …of experience in design, architecture, and engineering of complex distributed intelligence information systems + Specific knowledge of architecture relevant to ... Chief Engineer (Integrated Broadcast System Network Expansion)...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (11/08/25)
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  • System Development Engineer II, DBS…

    Amazon (Herndon, VA)
    Description System Development Engineer The Amazon Web Services team is innovating new ways of building massively scalable distributed systems and delivering ... nearly 1000. We hold high standards for our computer systems and the services we deliver to our customers:...candidate selected must currently possess and maintain an active TS / SCI security clearance with polygraph. The position… more
    Amazon (11/07/25)
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  • Multi-disciplinary Engineer II

    Nightwing (Springfield, VA)
    …this position, and it requires the ability to obtain and retain a US Top Secret Clearance with a successful Counterintelligence (CI) polygraph.** _At Nightwing, ... and theoretical engineering problems. **Required Qualifications** + Candidate must possess an **active TS / SCI CI Poly** + MS or BS in Mechanical, Electrical,… more
    Nightwing (11/25/25)
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  • Project Engineer - Hardware

    In-Q-Tel, Inc. (Mclean, VA)
    …reasons, US Citizenship is required. + Ability to obtain and maintain a TS / SCI clearance. Candidates with active top - secret clearance preferred. + BS or ... Defense missions. It's ok if you consider yourself a system engineer or a product manager, but...but you should have technical experience in addition to systems thinking in a technology eco- system . If… more
    In-Q-Tel, Inc. (11/25/25)
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