• Project Engineer SME

    Leidos (Alexandria, VA)
    …Denver, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with the ability to obtain SCI , as well as a Polygraph. **Primary ... Advantage Solutions Business Area, is currently seeking a highly experienced Project Engineer who will be responsible for engineering technical aspects of the… more
    Leidos (10/01/25)
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  • DARPA Advanced Technology Engineer

    IronMountain Solutions, Inc. (Arlington, VA)
    …to detail. + Active TOP SECRET clearance with eligibility for Sensitive Compartmentalized Information ( SCI ) and Special Access Programs (SAP). + ... 501164 DARPA Advanced Technology Engineer Work Location: Arlington, Virginia Schedule: Full Time...related technical field. Clearance Requirements: Must have an Active Secret Security Clearance or the ability to obtain and… more
    IronMountain Solutions, Inc. (09/28/25)
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  • Software Engineer Intern (Spring / Fall…

    Leidos (Reston, VA)
    …resume when submitting your application.** + **Ability to obtain and maintain a** ** Top Secret / SCI with Polygraph** **Security clearance.** + **US ... Leidos has a job opening beginning in the Spring of 2027 for a Software Engineer Intern/Co-Op in Reston, VA. Work will consist of a wide range of project tasks… more
    Leidos (09/28/25)
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  • Senior Information System Security…

    ManTech (Chantilly, VA)
    …discipline. **Security Clearance Requirements:** + Must have a current/active Top Secret security clearance with eligibility to obtain SCI . Applicants may ... ManTech is seeking a motivated, career and customer-oriented **Senior Information System Security Engineer (ISSE)** to join our team **in Chantilly, VA.**… more
    ManTech (09/26/25)
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  • Project Engineer - Acquisitions (All…

    Noblis (Chantilly, VA)
    …acquisition experience per level if no bachelor's degree is held. + Active Top Secret / SCI clearance with a Counter-Intelligence Polygraph(US Citizenship) + ... Responsibilities **Noblis-ESI is seeking a** **Project Engineer ** **with an acquisitions and contracting background to** **support** **our client on-site in… more
    Noblis (09/24/25)
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  • Weapons of Mass Destruction (WMD) Engineer…

    Dignitas Technologies LLC (Reston, VA)
    …equivalent Additional Eligibility Qualifications + Must be a US Citizen + An active TOP SECRET / SCI clearance and ability to pass a Counter-Intelligence ... Summary/Objective Dignitas is seeking a Weapons of Mass Destruction (WMD) Engineer or Scientist that will support engineering analysis, modeling, testing, and… more
    Dignitas Technologies LLC (09/22/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    …dark web. Clearance/Citizenship Requirements: + US Citizenship with an active Top Secret Clearance with ability to obtain SCI (Active and/or PR within last ... **Description** Seeking a Senior Systems/Network Engineer , working with a diverse team of contractors,...+ CI Poly (active or ability to obtain). Additional Information : The ideal candidate must have excellent communication skills… more
    SAIC (09/20/25)
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  • O&M Network Engineer 4 (Tech Specialist 4)

    M. C. Dean (Springfield, VA)
    …eligibility requirements, including US Citizenship, for access to classified information ; ** Top Secret with SCI eligibility required** **Position / ... objectives throughout the typical IT project lifecycle. The O&M Network Engineer is responsible to refining requirements, development and revising design… more
    M. C. Dean (09/16/25)
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  • Systems Engineer (Multiple Levels)

    Noblis (Chantilly, VA)
    …documentation material for Program/Project Manager engagements. Required Qualifications + Active Top Secret / SCI clearance with Counterintelligence (CI) ... Responsibilities Noblis ESI is seeking a **System Engineer ** to provide Systems Engineering and Technical Advisory (SETA) services to support our client on-site in… more
    Noblis (09/12/25)
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  • Project Engineer - Acquisitions (Multiple…

    Noblis (Chantilly, VA)
    …external mission partners, and other DoD/IC customers. Required Qualifications + Active Top Secret / SCI clearance with Counterintelligence (CI) Polygraph. + ... Responsibilities Noblis ESI is seeking an experienced **Project Engineer - Acquisitions** with a national space enterprise and ground systems acquisition background… more
    Noblis (09/10/25)
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