• Sentinel - Principal/ Sr. Principal Systems

    Northrop Grumman (Roy, UT)
    …last 6 years + Must have an ability to obtain a US Government DoD Top Secret security clearance . + **Sr. Principal Systems Engineer -** BS degree in STEM ... ability to obtain a US Government DoD Top Secret security clearance . **Preferred Qualifications:** + Advanced degree...LCC, CAIV, DTC, and/or CRI analyses + Experience with modeling Life Cycle Cost for large/complex systems more
    Northrop Grumman (10/31/25)
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  • Senior Systems Engineer

    RTX Corporation (Woburn, MA)
    …US 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 At Raytheon, the foundation of… more
    RTX Corporation (10/31/25)
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  • Senior Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...safer, more secure world. SE is looking for a Systems engineer with the technical expertise and engineering leadership… more
    RTX Corporation (12/06/25)
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  • Systems Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …NOTICE:** This position requires the ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as this position needs an ... of space, keeping service members safe and creating the systems that keep our world united and sustain our...active US Security Clearance for employment. Non-U.S. citizens may… more
    Sierra Nevada Company, LLC (12/09/25)
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  • Lead Engineer - Thermal Management…

    GE Aerospace (Niskayuna, NY)
    …role requires the individual to have the ability to obtain and maintain US Government Security Clearance ; prerequisite for a security clearance is US ... customers with clarity and confidence + In-depth knowledge of system modeling and/or systems -of- systems modeling . + Experience implementing system models… more
    GE Aerospace (11/06/25)
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  • Systems Engineer Staff (Mid-Career)

    Lockheed Martin (Littleton, CO)
    …* U\.S\. citizenship and the eligibility to obtain and maintain a Secret security clearance **Desired Skills:** * Bachelor's degree from an accredited college ... Lockheed Martin is seeking a highly skilled and motivated Systems Engineer to join the team supporting the Conventional...Certificate * Active or Current Secret or Top Secret security clearance ** Security Clearance more
    Lockheed Martin (12/03/25)
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  • Factory Systems Engineer

    Northrop Grumman (Linthicum Heights, MD)
    …Relocation assistance may be available CLEARANCE TYPE: A US Government security clearance per customer's requirements. TRAVEL: Yes, 10% of the Time ... citizen + Must be able to obtain and maintain a US government security clearance per business requirements **Preferred Qualifications:** + Active US government… more
    Northrop Grumman (10/30/25)
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  • Senior Systems Engineer - NC3 Programs…

    RTX Corporation (Richardson, TX)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...YOU Will Do:** + You will be engaged with systems requirements modeling activities in a Model… more
    RTX Corporation (10/30/25)
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  • Sensor Systems Engineering and Technical…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …prolonged amounts of time + Must be able to twist, bend and squat periodically SECURITY CLEARANCE REQUIREMENTS: Must currently hold a security clearance ... be provided in the general Sensor Work Areas of: RequirementsDevelopment, Systems Engineering, Analysis, Modeling , Hardware Design, Signal Processing, Sensor… more
    UIC Government Services and the Bowhead Family of Companies (10/31/25)
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  • Intern, R&D Graduate Summer - Engineering…

    Sandia National Laboratories (Livermore, CA)
    …more about Sandia at: http://www.sandia.gov *These benefits vary by job classification. Security Clearance : This position does not currently require a Department ... of core engineering disciplines with phenomenological understanding, and computer modeling and simulation. As an ESSI intern: + You...of Energy (DOE) security clearance . Sandia will conduct a pre-employment… more
    Sandia National Laboratories (12/18/25)
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