• Fire Protection CSE (Senior Engineer )

    Mission Support and Test Services (Mercury, NV)
    **Job Description** Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ... Administration (NNSA). Our MISSION is to help ensure the security of the United States and its allies by...Inc. **Responsiblities** MSTS is seeking a Senior Fire Protection Engineer to provide leadership in resolving fire protection issues… more
    Mission Support and Test Services (11/13/25)
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  • Sr Staff Engineer Software Systems

    Northrop Grumman (Jessup, MD)
    …new energy-efficient computing systems. MDA is seeking a **Sr Staff Software Systems Engineer ** with demonstrated ability to lead development of new technologies ... history, but they're also making history. Today's dynamic global security threats require solutions both big and small -...Get To Do:** As a Sr Staff Software Systems Engineer , you will have an opportunity to be a… more
    Northrop Grumman (12/05/25)
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  • Senior Mechanical Packaging Engineer

    RTX Corporation (Marlborough, MA)
    …support. We have an opportunity for an experienced Senior Electronics Packaging Mechanical Engineer . This person will be responsible to lead the mechanical team ... Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (12/17/25)
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  • Senior Controls & Instrumentation Engineer

    Amentum (Farmington Hills, MI)
    …Professional Engineer in good standing is a plus. * Experience in a lead engineer role, managing resources to a schedule and budget, coordinating with other ... such as NASA's return to the moon, the DoD's national security initiatives, international automotive manufacturers' development of fuel-efficient and electric… more
    Amentum (12/04/25)
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  • Engineer Senior Mission Systems Integration

    BAE Systems (Boulder, CO)
    …other resources are identified and in place to support mission level testing. + Lead mission-level test activities. These tests include but not limited to early ... Test activities. + Work closely with the verification lead to develop the mission level verification plan. +...US Department of Education. + A current, active TS/SCI security clearance is required with ability to obtain and… more
    BAE Systems (12/16/25)
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  • Cleared Senior/Principal Systems Engineer

    Sandia National Laboratories (Albuquerque, NM)
    …Laboratories is the nation's premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge ... + Challenging work with amazing impact that contributes to security , peace, and freedom worldwide + Extraordinary co-workers +...Be Like: We are seeking a dedicated R&D Systems Engineer with nuclear weapons experience to play a crucial… more
    Sandia National Laboratories (12/19/25)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Dayton, OH)
    …Force's critical airborne command-and-control fleet. We need you! As a Principal Systems Engineer with a software background, you will lead the design, ... The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and… more
    Sierra Nevada Company, LLC (11/26/25)
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  • Electronics Engineer Stf - Ordnance Team

    Lockheed Martin (Littleton, CO)
    **Description:** Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see it as a ... solutions, focusing on resiliency and urgency through our 21st Century Security (R) vision\. We're erasing boundaries and forming partnerships across industries and… more
    Lockheed Martin (12/18/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Tucson, AZ)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Secret - Current...a safer, more secure world. The Systems Engineering and Test Center (SETC) organization is currently hiring a **Principal… more
    RTX Corporation (11/22/25)
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  • Senior Principal Electrical Engineer

    RTX Corporation (Richardson, TX)
    … in Richardson, TX with analog and VLF/LF-design experience. The Senior Principal Electrical Engineer is a lead position responsible for clean sheet and upgrade ... Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (11/12/25)
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