• 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,...engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation; and training. We are… more
    SAIC (12/06/25)
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  • Senior Systems Engineer

    Leidos (Alexandria, VA)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations,… more
    Leidos (11/22/25)
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  • Mid-Level Systems Engineer

    Leidos (Chantilly, VA)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations,… more
    Leidos (11/22/25)
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  • CAD Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …years of experience in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w/Poly Clearance. + Proficiency with CAD tools (eg, ... **Description** **SAIC** is seeking a **CAD Modeling and Simulation Engineer in Chantilly, VA** to support a government customer. **The successful candidate will:**… more
    SAIC (10/24/25)
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  • Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …of experience in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w/Poly Clearance. + Strong understanding of sensor ... **Description** SAIC is seeking a Modeling and Simulation Engineer to support a customer in Chantilly, VA. The successful candidate will: + Develop and maintain… more
    SAIC (10/22/25)
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  • Machine Learning Modeling and Simulation…

    SAIC (Chantilly, VA)
    …of experience in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w/Poly Clearance. + Strong understanding of sensor ... **Description** SAIC is seeking a Machine Learning Modeling and Simulation Engineer in Chantilly, VA. The successful candidate will: + Develop and maintain… more
    SAIC (10/22/25)
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  • Network Security Engineer III

    Imagine One Technology & Management (Virginia Beach, VA)
    …**Security Requirements:** + US Citizenship required + Candidate must have an ACTIVE SECRET clearance (with TS / SCI eligibility) **Imagine One Technology & ... Imagine One is currently seeking qualified **Network Security Engineer III** individuals to join our team to provide Network Security Engineering Support to Naval… more
    Imagine One Technology & Management (11/12/25)
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  • Associate Sensors Engineer

    The MITRE Corporation (Mclean, VA)
    …4 days a week on-site. Preferred Qualifications: + Ability to obtain and maintain a Top Secret / SCI clearance. + Experience in acoustic, radar, and sonar ... vehicles Basic Qualifications: + Ability to obtain and maintain at least a Secret security clearance which requires US citizenship. + BS or MS Electrical… more
    The MITRE Corporation (01/01/26)
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  • Lead Cyber Operations Engineer

    The MITRE Corporation (Mclean, VA)
    …of the latest tools and techniques employed by forensic examiners + Having prior held Top Secret / SCI /Suitability in the past + Strong written and Oral ... & Effects Innovation Center, enables offensive cyber operations by applying software and hardware techniques and solutions. Our evaluations, rapid prototypes, and… more
    The MITRE Corporation (12/25/25)
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  • Field Engineer - Travel

    Nightwing (Sterling, VA)
    …position is contingent upon final customer approval and funding. **Required Skills:** + Minimum TS SCI with Full Scope Polygraph + Must have a background and ... applied in lieu of a degree. **_Must be a US Citizen and have an active TS / SCI clearance with polygraph from day one of employment and be crossover eligible_**… more
    Nightwing (10/13/25)
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