• Principal Systems /Test Engineer

    RTX Corporation (Fairfield, CA)
    …product lines, and providing requirements and testing support within the Propulsions site. The Systems Engineer will be involved in all phases of the products ... determine spec vs. actual conditions. + Help with designing, modeling and analyzing system /customer requirements. + Lead...and Explosives (ATF) access + Experience working as a Systems Engineer in the Aerospace Industry directly… more
    RTX Corporation (12/09/25)
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  • Systems Engineer

    Lockheed Martin (Huntsville, AL)
    …* Ballistic Missile Defense System \(BMDS\) design and analysis * Experience modeling complex systems with Model Based Systems Engineering \(MBSE\) * ... corporate responsibility\. Learn more about THAAD As a THAAD Systems Engineer , your responsibilities may include: *...Experience with generating 6DoF trajectories and/or Missile Defense System threat modeling * Experience with CONOPS… more
    Lockheed Martin (12/11/25)
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  • Senior Systems Engineer - Onsite

    RTX Corporation (Andover, MA)
    …+ Drive Performance: Collaborate across functions to drive performance improvements and resolve system issues. + Modeling and Simulation : Develop and execute ... dynamic environments? Raytheon is seeking a talented and motivated Systems Engineer to join our team within...you'll have a hands-on role in ensuring the entire system functions seamlessly. **What You Will Do** In this… more
    RTX Corporation (12/16/25)
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  • Principal Systems Engineer - Risk…

    Kelly Services (Norcross, GA)
    …for risk management. + Design for Six Sigma (DFSS) experience. + Experience with system modeling , simulation , and requirements development from user needs. ... We are proud to offer a **Direct Hire** opportunity to work as a **Principal Systems Engineer ** located in **Norcross, GA.** **Job Title: Principal Systems more
    Kelly Services (11/29/25)
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  • Principal Electrical Engineer Digital…

    BAE Systems (Manchester, NH)
    **Job Description** BAE Systems is hiring for a Principal Electrical Engineer . At BAE Systems , we deliver a full range of products and services for air, land ... HIGHLY PREFERRED + Familiarity with military and/or commercial standards + Experience in modeling , simulation , and testing of power electronics: SPICE/ LTSPICE +… more
    BAE Systems (11/19/25)
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  • Senior Principal MMIC Design Engineer

    BAE Systems (Nashua, NH)
    …BAE Systems . BAE Systems is seeking a Senior Principal MMIC Design Engineer to join the Microelectronics Center located in Nashua, NH. In this role, you will ... amplifiers at Ku, Ka, V, or W-band frequencies + Proficient in thermal simulation tools + Proficient with non-linear modeling techniques + Experience with… more
    BAE Systems (10/29/25)
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  • GEOINT Payload Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Payload Systems Engineer to support the NRO GEOINT System Integration & Architecture (GSIA) office. This is a Systems ... equities are protected. + Assess payload technical performance and modeling and simulation results. Identify risks to...Assist with the execution of design trade studies. Evaluate system and architecture designs, as necessary, to determine if… more
    SAIC (11/06/25)
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  • Software Test Engineer

    Amentum (Kennedy Space Center, FL)
    …environment o Experience working with Programmable Logic Controllers * Experience with simulation system software * Experience with software integration and test ... a dynamic work environment **Desirable:** * Experience with real time and/or distributed simulation systems * Experience with SCRAMNet * Experience with ground… more
    Amentum (12/09/25)
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  • Project Engineer

    Stellant Systems (Torrance, CA)
    …+ Communicate effectively with vendors, customers, and other Stellant personnel + Perform modeling and design engineer tasks on current or future products ... the fields of dispenser cathodes, vacuum hardware, brazing, RF systems , system integration and general mechanical packaging....or engineering is a plus. + Understanding of computer modeling and simulation a plus + Computer… more
    Stellant Systems (10/01/25)
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  • GNC Engineer

    SpaceX (Hawthorne, CA)
    engineer , you will be responsible for designing and implementing physics-based system -of- systems simulation software, capable of capturing complex ... RESPONSIBILITIES: + Build software tools and construct scenarios to perform system -of- systems performance analysis of architectures that include satellites,… more
    SpaceX (12/17/25)
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