• 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 efforts in developing and executing server system tests ... development teams to integrate and validate secure software, hardware and mechanical solutions + Partner with systems engineering, hardware design, and software… more
    Mercury Systems (01/07/26)
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  • Principal RF Subsystems Engineer

    RTX Corporation (Tucson, AZ)
    …secure world. The Effector RF Products Team at Raytheon is seeking a talented Principal Engineer to join our team in Tucson, AZ. The candidate will be responsible ... of RF sensors + Experience interacting across engineering disciplines (eg Systems, Mechanical , SW, Algorithms, etc.) to define RF subsystem requirements and evaluate… more
    RTX Corporation (01/06/26)
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  • Principal Test Engineer Manufacturing…

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. **What You Will Do:** Join us as a Principal Test and Validation Engineer in Manufacturing Design, where you'll drive technical test ... Engineering, Aerospace Engineering, Manufacturing Engineering, Industrial Engineering, Chemical Engineering, Mechanical Engineering or Aerospace Engineering + Experience developing test… more
    RTX Corporation (01/06/26)
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  • Principal Hydraulic Modeling Manager

    Carollo Engineers (Phoenix, AZ)
    …of water, wastewater, and stormwater facilities. We are seeking a Principal Hydraulic Modeling Manager to lead hydraulic transient modeling studies companywide ... **Qualifications** + Bachelor's, Masters, or PHD degree in civil, mechanical , or environmental engineering + Minimum academic requirements include coursework… more
    Carollo Engineers (01/06/26)
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  • Principal RF Psnf Integration Specialist

    RTX Corporation (Tucson, AZ)
    …secure world. The Effector RF Products team at Raytheon is seeking an experienced Principal Electrical Engineer to join our team in Tucson, AZ. This role offers a ... + Work with interdisciplinary engineering teams, including thermal, structural, mechanical , and systems engineering. **Qualifications You Must Have:** + Typically… more
    RTX Corporation (01/01/26)
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  • Principal Electrical Engineer (RF…

    Northrop Grumman (Chandler, AZ)
    …Our employees are not only part of history, they're making history. ** Principal Electrical Engineer (RF Engineering Group) to join our team.** **Qualifications:** + ... noise sources, and RF power meters. + Understands vibration, acceleration, mechanical shock, thermal, thermal vacuum requirements for avionics device qualification… more
    Northrop Grumman (12/28/25)
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  • Principal Data Center Facilities…

    Oracle (Phoenix, AZ)
    **Job Description** We are seeking an experienced Principal Data Center Facilities Development Manager to oversee the onsite construction of data centers performed ... of base building data center construction, including civil, structural, architectural, mechanical , electrical, controls, and plumbing. 2. Expertise in managing the… more
    Oracle (12/25/25)
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  • Principal Analyst Support Engineer

    RTX Corporation (Tucson, AZ)
    …most advanced engineering systems in the world. Raytheon is seeking a ** Principal Analyst Support Engineer** to manage and implement environmental test projects, as ... US citizenship is required. **Qualifications We Prefer** + Strong mechanical and/or electrical/electronic skills. + Experience with OSHA/NFPA industrial policies… more
    RTX Corporation (12/16/25)
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  • Sr. Principal EHS Engineer

    Northrop Grumman (Chandler, AZ)
    …an opportunity to join the Corporate Environmental Remediation Team as a **Sr. Principal EHS Engineer** . This position reports to the Manager EHS Engineering 3. ... focus in an engineering field (including environmental, chemical, civil, and mechanical ) or relevant science field (including hydrology, geology, and environmental… more
    Northrop Grumman (12/13/25)
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  • Principal Program Quality Engineer

    RTX Corporation (Tucson, AZ)
    …that create a safer, more secure world. We are seeking an onsite ** Principal Program Quality Engineer** (PQE) to serve within the Shipboard Missiles team supporting ... will collaborate closely with all cross-functional teams including systems, electrical, mechanical , operations, supply chain, and systems integration and test to… more
    RTX Corporation (12/12/25)
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