• Principal Test Engineer

    Mercury Systems (Phoenix, AZ)
    Req. Number 25-504 Job Description Job Summary: Mercury Systems is seeking a Principal Test Engineer to lead test efforts in developing and executing ... servers and secure software product lines. + Design and implement robust test procedures that meet military standards (eg, MIL-STD-810, DO-461, DO-167, DO-178C,… more
    Mercury Systems (11/04/25)
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  • Senior Principal Test Systems…

    RTX Corporation (Tucson, AZ)
    …that create a safer, more secure world. This position is for a Senior Principal Test Systems Engineer with at least 10 years of professional experience ... professional experience and an advanced STEM degree. As a Senior Principal Systems Engineer , you...technical competency in test & evaluation, the Test Systems Engineer will have proven leadership… more
    RTX Corporation (11/12/25)
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  • Sr . Principal Air Vehicle System…

    Northrop Grumman (Young, AZ)
    …Northrop Grumman Responsible Engineering/Development/ Test Engineering teams. ** Sr . Principal System Test Engineer responsibilities include:** + ... Northrop Grumman Aeronautics Systems has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join our… more
    Northrop Grumman (11/16/25)
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  • Senior Principal Electrical…

    RTX Corporation (Tucson, AZ)
    …The Effectors Directorate is a multi-discipline organization responsible for developing test solutions for all Raytheon products. Our engineers are responsible for ... all elements of the development lifecycle for test . We are hands-on, designing with the latest technology and tools, and integrate state of the art test more
    RTX Corporation (09/18/25)
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  • Senior Principal Test Systems…

    RTX Corporation (Tucson, AZ)
    …opportunity for a full-time position of ** Senior ** **P** **rincipal** ** Test Systems** **Execution Lead Engineer ** located **onsite** **in Tucson, Arizona** ... for a security clearance **Security Clearance:** DoD Clearance: Secret The Test Equipment Engineering (TEE) organization within RTX drives business success by… more
    RTX Corporation (09/18/25)
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  • Test Solutions Senior

    RTX Corporation (Tucson, AZ)
    …The Test Solution Effectors - AUR (All Up Round) Department seeks a Senior Principal Systems Engineer who can drive the interviewing, hiring and ... tough, meaningful problems that create a safer, more secure world. The Test Solutions Effectors team within the Hardware Discipline Directorate within Raytheon… more
    RTX Corporation (11/05/25)
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  • Sr Principal Low Observable Design,…

    RTX Corporation (Tucson, AZ)
    …You Will Do** + Stealth (design, analysis, computational electro-magnetics (CEM), and/or test ) Proposal Writing and Basis of Estimate (BOE) development. + You're ... of Computational Electromagnetic Codes (CEM). + Deliverables will include test documentation, data analysis, anomaly resolution, results documentation, and… more
    RTX Corporation (09/18/25)
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  • Principal -level 3 / Sr

    Northrop Grumman (Chandler, AZ)
    …Systems is searching for a Principal or Sr . Principal Engineer to perform integration and test engineer responsibilities for Launch Vehicles, at ... will serve as an I&T Principal or Senior Principal Lead Engineer for...Master of Science in Aerospace, Aeronautical, Mechanical Engineering . Sr . Principal level 4: Minimum Education /… more
    Northrop Grumman (10/28/25)
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  • Principal Reliability Engineer

    RTX Corporation (Tucson, AZ)
    …This includes developing reliability requirements, analyses, and test methodology. The Senior Principal Reliability Engineer will be expected to have ... including the following engineering disciplines: Reliability, System Safety and Supportability. The Senior Principal Reliability Engineer will develop and… more
    RTX Corporation (10/24/25)
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  • Principal / Sr . Principal

    Northrop Grumman (Chandler, AZ)
    …The ** Principal Engineer / Sr . Principal Engineer ** will design, develop, implement, verify, and test high-quality software and simulation ... 6 degree of freedom (6DOF) simulation to design and test missile flight code. The applicant will be creating...position may be offered at the Principal Engineer GNC Level 3 or Sr . … more
    Northrop Grumman (09/18/25)
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