• Principal Environmental Test Vehicle…

    RTX Corporation (Tucson, AZ)
    …instrumentation installations and data acquisition support. Environmental Test is seeking a Principal Test Engineer for the Environmental Test Vehicles (ETV) ... The ET organization provides testing capability for every phase of the product life cycle from prototype to production. Environmental testing includes mechanical more
    RTX Corporation (10/18/25)
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  • Senior Principal Engineer - Solid…

    RTX Corporation (Tucson, AZ)
    …initiation safety systems technology. The department is seeking to hire a Senior Principal Engineer - Solid Propulsion. This position is on-site located in ... Tucson, Arizona. **What You Will Do:** In this Senior Principal Engineer - Solid Propulsion role you will be responsible for supporting and applying the… more
    RTX Corporation (09/12/25)
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  • Sr. Principal Design Engineer

    RTX Corporation (Tucson, AZ)
    …more secure world. The Hardware Engineering, Advanced Airframes Department is seeking a Sr. Principal Design Engineer that will be located on site in Tucson, ... by local laws/regulations. + Minimum 10 years of experience in mechanical design, development, and/or test, preferably defense-related components or systems. +… more
    RTX Corporation (10/28/25)
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  • Sr Principal Engineer Manufacturing

    Northrop Grumman (Mesa, AZ)
    …history. At Northrop Grumman Defense Systems we are seeking an experienced Manufacturing Engineer to support our Armament Business site located in Mesa, AZ. Armament ... As part of the Systems Engineering group, the Manufacturing Engineer supports design, production, and supplier development activities. **Responsibilities** The… more
    Northrop Grumman (10/07/25)
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  • Principal Integration and Test…

    Northrop Grumman (Gilbert, AZ)
    …employees are not only part of history, they're making history. We are seeking a Principal Integration and Test engineer to work in our Gilbert, Arizona location ... of increasing scope and complexity as assigned - Ability to apply mechanical integration processes - Assist Subsystem troubleshooting effort - Apply troubleshooting… more
    Northrop Grumman (10/02/25)
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  • Principal RF Antenna and Radome Design…

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. The RF Antenna Team at Raytheon is seeking a talented Principal Engineer to join our team in Tucson, AZ. The candidate will be ... requirements + Work with interdisciplinary engineering teams including thermal, structural, mechanical , systems, etc. + Work with antenna manufacturing suppliers +… more
    RTX Corporation (08/26/25)
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  • Principal Electrical Engineer

    RTX Corporation (Tucson, AZ)
    …execution including cost, schedule and technical oversight throughout the product lifecycle. Providing resources to drive development and sustainment activities ... hardware testing and debugging complex circuit card assemblies or electro- mechanical systems. Prior hands-on troubleshooting experience is preferred. + Collaborate… more
    RTX Corporation (09/19/25)
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  • Sr Principal Low Observable Design,…

    RTX Corporation (Tucson, AZ)
    …to work with little supervision? If you answered "yes" to these questions, our mechanical design team at our Tucson, AZ, facility wants to hear from you! Raytheon ... be part of a team whose responsibilities span the full lifecycle of the product - from initial conceptual design to modeling and analysis, from component to missile… more
    RTX Corporation (09/18/25)
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  • Principal Engineer - One Shots

    RTX Corporation (Tucson, AZ)
    …technology. An individual in this role will be expected to work with a product team and functional subject matter experts to develop architectures, top level design ... security clearance​ **Qualifications We Prefer** + Education: MS in Aerospace Engineering, Mechanical Engineering, Physics, Math, or related science degree + Ten or… more
    RTX Corporation (08/19/25)
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  • Senior Pr. Mechanical Engineer

    RTX Corporation (Tucson, AZ)
    …balanced solutions. Raytheon is seeking an experienced Senior Principal Structural Engineer to join the Mechanical Analysis and Test Department with a ... technical peer reviews ensuring the technical accuracy of work product as well as acting as a reviewer for...skills working in a team environment **The Senior Pr. Mechanical Engineer - Structural job is in… more
    RTX Corporation (10/17/25)
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