• Principal Modeling Simulation

    RTX Corporation (Tucson, AZ)
    …expertise for the simulation products of a specific program, and assist Senior Modeling Engineers in the preparation of detailed plans, and may interact ... a dynamic team environment, and are eager to learn. As a Modeling , Simulation , & Analysis Engineer, you will participate in challenging multi-disciplinary work… more
    RTX Corporation (11/18/25)
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  • Senior Principal RF Antenna…

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. The RF Antenna Team at Raytheon is seeking a talented Senior Principal Engineer to join our team in Tucson, AZ. The candidate will be ... of the following: + Antenna element design and fabrication + Antenna simulation and modeling + Antenna measurements in near or far field systems **Qualifications… more
    RTX Corporation (10/29/25)
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  • Senior Principal Test Systems…

    RTX Corporation (Tucson, AZ)
    …meaningful problems that create a safer, more secure world. This position is for a Senior Principal Test Systems Engineer with at least 10 years of professional ... or 8 years of professional experience and an advanced STEM degree. As a Senior Principal Systems Engineer, you are accountable for the systems approach for… more
    RTX Corporation (11/12/25)
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  • Senior Principal RF Sensor Antenna…

    RTX Corporation (Tucson, AZ)
    …RF Design department at Raytheon is seeking a highly skilled and innovative ** Senior Principal Antenna Engineer** to serve as an **Antenna Design Specialist** ... and final design, and qualification processes. + Extensive experience in simulation and modeling using tools such as HFSS, CST, FEKO, SENTRi, PMM, and/or… more
    RTX Corporation (10/21/25)
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  • Senior Principal RF Range Engineer

    RTX Corporation (Tucson, AZ)
    …more secure world. The Effector RF Design Team at Raytheon is seeking a talented Senior Principal Engineer to join our team in Tucson, AZ. The candidate will ... computing (HPC) environments and schedulers such as SLURM + Proficiency with modeling & simulation tools such as HFSS, CST, FEKO, SENTRi and GRASP + Experience… more
    RTX Corporation (10/29/25)
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  • Senior Principal GPS Systems…

    RTX Corporation (Tucson, AZ)
    …and tools + Experience with hardware integration, Hardware in the Loop (HIL), modeling and simulation and environmental testing and electronics test equipment + ... in developing requirements for the subsystem. They perform analysis and modeling to decompose requirements for GPS sub-assemblies and component designs. **What… more
    RTX Corporation (09/11/25)
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  • Sr. Principal Systems Engineer - Control…

    RTX Corporation (Tucson, AZ)
    …Directorate consists of Guidance, Navigation and Control (GNC), Signal Processing (SP) and Modeling and Simulation disciplines for Effectors. The PG&C Center is ... currently hiring for a **Sr. Principal Systems Engineer - Control Systems Expert** in Tucson,...Strong interpersonal skills and ability to communicate effectively with senior leadership and other engineering disciplines + Ability to… more
    RTX Corporation (11/18/25)
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  • Sr Principal FPGA Design Engineer - Onsite

    RTX Corporation (Tucson, AZ)
    …the world, from the ground to exoatmospheric environments and into space. As a ** Senior Principal FPGA Design Engineer** you will lead development of FPGA ... new parts, modeling of algorithms, partition and perform code development, simulation , and place and route. Designs are verified against requirements using both… more
    RTX Corporation (11/15/25)
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  • Model Validator Senior

    USAA (Phoenix, AZ)
    …predictive modeling , machine learning, deep learning, time-series modeling /forecasting, stress testing, heuristic models, actuarial models, simulation , ... reports and related validation work to model validation management, model partners, senior leadership, and others. + Implement the model validation process aligned… more
    USAA (11/06/25)
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  • Life Risk Actuary - Financial and Model Risk

    USAA (Phoenix, AZ)
    …predictive modeling , machine learning, deep learning, time-series modeling /forecasting, stress testing, heuristic models, actuarial models, simulation , ... This position is essential for safeguarding the integrity of our modeling practices, ensuring adherence to regulatory frameworks, and navigating the complexities… more
    USAA (11/07/25)
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