• Lunar Terrain Vehicle (LTV) Principal

    Axiom Space (Houston, TX)
    …+ Strong mechanical design, integration, and mechanism analysis skills using 3D modeling and simulation tools; ie SolidWorks preferred + Experience developing ... space marketplace. Our mission-driven team is seeking a bold and dynamic Principal Mechanical Engineer who is fueled by high ownership, execution horsepower, growth… more
    Axiom Space (11/12/25)
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  • Principal Antenna Design Engineer

    RTX Corporation (Mckinney, TX)
    …high level of innovation, creativity, and initiative. + Support customer programs through modeling and simulation of LO antennas or RF components/systems and ... state-of-the-art technical projects. Raytheon's Apertures and RF Department is seeking a Principal Antenna Design Engineer to join the Radome & Apertures team in… more
    RTX Corporation (01/13/26)
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  • Senior Principal Systems Engineer

    Northrop Grumman (Huntsville, AL)
    …model-based systems engineering products and/or Mission Engineering + Must have experience modeling software systems and software system of systems ... network, commercial cloud, and platform infrastructures + Must have familiarity with containerized software architecture + Must have experience modeling in a … more
    Northrop Grumman (01/08/26)
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  • Principal / Sr. Principal Systems…

    Northrop Grumman (Melbourne, FL)
    …design. * Candidates with working knowledge and experience in modeling and simulation of E3 using commercially available software is a plus. * Experience ... making history. Northrop Grumman Aeronautics Systems has an opening for a Principal / Sr. Principal Systems Engineer- Electromagnetic Environmental Effects (E3)… more
    Northrop Grumman (01/08/26)
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  • Principal Engineer Systems Architect

    Northrop Grumman (Melbourne, FL)
    …model-based systems engineering products and/or Mission Engineering. + Must have experience modeling software systems and software system of systems. ... maintain Special Access Program (SAP) clearance. **Preferred Qualifications:** + Experience with Modeling and Simulation + Applied knowledge of aircraft design +… more
    Northrop Grumman (12/04/25)
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  • Responsible Engineer / Principal

    Northrop Grumman (Melbourne, FL)
    …Grumman Aeronautics Systems** sector is seeking a **Responsible Engineer or Principal Responsible Engineer** **- Fuel Systems** with experience in **aircraft fuel ... procurement. + Performing system related analysis, such as performance simulation , in support of the development of the fuel...may be filled as an Engineer (level 2) or Principal Engineer (level 3) based on the qualifications outlined… more
    Northrop Grumman (11/11/25)
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  • Principal Systems Engineer - MBSE

    RTX Corporation (Marlborough, MA)
    …expertise for concept development, architectural design, requirements generation & flowdown, modeling and simulation , systems analysis, integration, test and ... Department has an opportunity that crosses both the Systems Engineering and Software Engineering disciplines, looking for individuals eager to develop software more
    RTX Corporation (11/14/25)
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  • EMI/EMC Senior Principal Engineer

    BAE Systems (Nashua, NH)
    …of? Come build your career with us. BAE Systems is seeking an Sr Principal EMI/EMC Electrical Engineer' to work in our Nashua, NH location. The responsibilities of ... Systems and external vendor sites, and has knowledge of test equipment automation software , TILE, EMC32, etc. + Mentors and develops junior and mid-level EMI/EMC… more
    BAE Systems (12/02/25)
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  • Sr Principal Engineer Systems - Ionizing…

    Northrop Grumman (Melbourne, FL)
    …cycle. * Generating weapon system design criteria supported by design analysis, modeling & simulation , equipment and system-level trade studies, system ... making history. Northrop Grumman Aeronautics Systems has an opening for a Senior Principal Systems Engineer - Nuclear Survivability (NH&S) to join our team of… more
    Northrop Grumman (12/17/25)
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  • Principal AI Engineer

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Overview i3 is seeking a Principal AI Engineer to lead the design, development, and deployment of AI-driven security and data solutions for defense and intelligence ... DoD AI workloads. + Develop automated threat generation and simulation modules to identify security control gaps. + Implement...targeting AI systems and cloud infrastructure. + Conduct threat modeling using frameworks such as OWASP Top 10 and… more
    Integration Innovation, Inc. (i3) (01/06/26)
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