• Aerospace Modeling and Simulation Engineer

    Leidos (Huntsville, AL)
    …must be a US citizen and have the ability to obtain a DoD Top Secret /SCI with CI Polygraph security clearance with Leidos. **Preferred Qualifications.** + ... **Description** Leidos is seeking a talented Aerospace Modeling and Simulation Engineer within the Flight Systems Department. As part of the Leidos Threat Analysis… more
    Leidos (12/12/25)
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  • Systems Engineer

    Leidos (San Diego, CA)
    …+ Must have a Secret Security Clearance and the ability to obtain a Top Secret Security Clearance + Experience with all aspects of the design cycle; from ... lab testing, and field testing? If so we are looking for you, our next Systems Engineer to work in San Diego, CA, as part of a small team to interface with… more
    Leidos (12/12/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Mckinney, TX)
    …citizens are eligible for a security clearance. **Qualifications We Prefer** + Active DoD Top Secret clearance with investigation within five years + Model Based ... as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (12/12/25)
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  • Aerospace Modeling and Simulation Engineer

    Leidos (Huntsville, AL)
    … Secret Security Clearance and have the ability to obtain a Top Secret /SCI clearance with polygraph. **Preferred Qualifications** + Familiarity with DoD ... resilient business ethics. Leidos is seeking a talented aerospace modeling and simulation engineer within the Flight Systems Department. As part of the Leidos Threat… more
    Leidos (12/11/25)
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  • Senior Systems Engineer

    ManTech (Crane, IN)
    …efforts **Clearance Requirements:** + US Citizen and possess an active current Top - Secret clearance, with ability to obtain SCI eligibility **Physical ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Systems Engineer (PNT)** to join our team in **Crane, IN.** This is a 100% on-site position.… more
    ManTech (12/11/25)
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  • Senior Mechanical Equipment & Tool Engineer

    Insight Global (Seattle, WA)
    …Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ . Skills and Requirements Final TOP SECRET clearance (pre-start) Proficiency in Model-Based ... Develops and implements work-arounds and maintains configuration of hardware, software , and documentation. Conducts studies and make recommendation for disposition… more
    Insight Global (12/09/25)
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  • Senior Systems Engineer

    ManTech (Washington, DC)
    …Managers in an analyst capacity **Clearance Requirements:** + Must hold an active Top - Secret clearance. **Physical Requirements:** + The person in this position ... **MANTECH** seeks a motivated and career-focused **Senior Systems Engineer ** to join our team onsite in **Washington, DC** In this role you will play a vital role in… more
    ManTech (12/07/25)
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  • Systems Engineer Manager

    ManTech (Washington, DC)
    …Managers in an analyst capacity **Clearance Requirements:** + Must hold an active Top - Secret clearance. **Physical Requirements:** + The person in this position ... **MANTECH** seeks a motivated and career-focused **Systems Engineer Manager** to join our team onsite in...infrastructure development, and team execution + Ensure hardware and software systems are designed and installed in alignment with… more
    ManTech (12/07/25)
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  • Naval Systems Engineer

    ManTech (Washington, DC)
    …Managers in an analyst capacity **Clearance Requirements:** + Must hold an active Top - Secret clearance. **Physical Requirements:** + The person in this position ... **MANTECH** seeks a motivated and career-focused Naval **Systems Engineer ** to join our team **onsite** in **Washington, DC** In this role, you will support… more
    ManTech (12/07/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    …deep web and dark web. Clearance/Citizenship Requirements: + US Citizenship with an active Top Secret Clearance with ability to obtain SCI (Active and/or PR ... **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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