• Principal Mechanical Engineer

    BAE Systems (Nashua, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer ( Design /Analysis)** **117597BR** EEO ... **Job Description** BAE Systems is seeking a seasoned Principal Mechanical Engineer to... design and analysis + Solid fundamentals of mechanical design , analysis, and documentation principles +… more
    BAE Systems (10/22/25)
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  • Senior Principal Mechanical

    RTX Corporation (Tewksbury, MA)
    …and production support. Mechanical Engineering is searching for an experienced Senior Principal Design Engineer to work in the Radar Design ... technical services, materials, processes, analysis, test, and documentation. The Radar Mechanical Design Department leads mechanical design , development,… more
    RTX Corporation (11/06/25)
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  • Sr. Principal Mechanical

    BAE Systems (Nashua, NH)
    **Job Description** BAE Systems is seeking a proactive Sr. Principal Mechanical Engineer with diverse analytical capabilities and demonstrated technical ... and development of IR technology hardware and systems + Mechanical and/or Opto- Mechanical design &...available based on position level and/or job specifics. **Sr. Principal Mechanical Engineer ** **118601BR** EEO… more
    BAE Systems (11/22/25)
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  • Principal Mechanical Engineer

    BAE Systems (Merrimack, NH)
    …of facilities, Countermeasure & Electromagnetic Attack Solutions is seeking a talented, motivated Principal Mechanical Engineer who wants to join an ... verbal communication skills + Knowledge of engineering fundamentals of mechanical design and analysis + Experience with...be available based on position level and/or job specifics. ** Principal Mechanical Engineer ** **118662BR** EEO… more
    BAE Systems (11/22/25)
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  • Principal Mechanical Engineer

    BAE Systems (Nashua, NH)
    **Job Description** BAE Systems is seeking a Principal Mechanical Engineer to join our team in Nashua, NH! We Protect Those Who Protect Us is our mission, ... and the ability to apply those principles to unique mechanical design challenges + Experience with ...be available based on position level and/or job specifics. ** Principal Mechanical Engineer , Development** **119293BR**… more
    BAE Systems (12/12/25)
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  • Sr Principal Mechanical

    RTX Corporation (Tewksbury, MA)
    …and production support. The ADGE department is looking for a full-time Senior Principal Mechanical Engineer to support Patriot GEM-T Missile major ... test, and documentation. The Air Defense Ground Equipment (ADGE) Department leads mechanical design , development, and integration of platform systems. This… more
    RTX Corporation (10/22/25)
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  • Principal Mechanical CADD…

    RTX Corporation (Tewksbury, MA)
    design , integration, and production support. We have an opportunity for an experienced Principal Mechanical CADD Engineer to support our radar development ... technical services, materials, processes, analysis, test, and documentation. The Radar Mechanical Design Department leads mechanical design , development,… more
    RTX Corporation (09/30/25)
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  • Senior Principal Data Center…

    Oracle (Concord, NH)
    …compute architecture and working knowledge of mechanical and electrical system design considerations. + Understanding mechanical design process to work ... **Job Description** As a Senior Principal Data Center Engineer , you will...Engineer , you will focus on OCI data center mechanical infrastructure. A mix of technical breadth and depth… more
    Oracle (11/25/25)
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  • P4 Principal Mechanical

    RTX Corporation (Tewksbury, MA)
    …, integration, and production support. The ADGE department is looking for a full-time Principal Mechanical Engineer Lead to support Patriot Missile GEM-T ... test, and documentation. The Air Defense Ground Equipment (ADGE) Department leads mechanical design , development, and integration of platform systems. This… more
    RTX Corporation (10/22/25)
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  • Senior Principal Electro- Mechanical

    RTX Corporation (Andover, MA)
    …(An advanced STEM degree could count for 3 years of experience) with mechanical and electrical engineering design . + Experience performing circuit layout ... products + Experience with designing electronics for extreme environmental requirements and design constraints + Proficiency with 3D Mechanical CAD modeling and… more
    RTX Corporation (12/19/25)
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  • Senior Principal RF Design

    RTX Corporation (Tewksbury, MA)
    …builds, and lifecycle support of Raytheon products. We have an opportunity for a Senior Principal RF Design Engineer who is seeking to utilize their academic ... professional experience in RF / Microwave system theory and design to help develop the next generation of Raytheon's...etc.). + Working with interdisciplinary teams - power, digital, mechanical , etc. + Schematic capture and RF routing. +… more
    RTX Corporation (10/13/25)
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  • Principal Product Design

    ThermoFisher Scientific (Tewksbury, MA)
    …includes a drug screening. **Key Responsibilities and Functions:** + Serve as the Principal Product Build Engineer on multi-functional product teams. You will ... and chances to create meaningful contributions to the world. The Experience Design Center (XDC) is seeking a highly motivated, self-starting Product Design more
    ThermoFisher Scientific (12/06/25)
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  • Sr Principal Physical Security…

    Oracle (Concord, NH)
    **Job Description** The Senior Physical Security Design Engineer is responsible for leading the development, design , and implementation of advanced physical ... Oracle, ensures compliance with strict regulatory standards, and provides design leadership from concept through execution. **Responsibilities** Key Responsibilities:… more
    Oracle (12/12/25)
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  • Principal Electrical Design

    RTX Corporation (Westford, MA)
    …intelligence products from these sensors. We are seeking a **Senior Electrical Design Engineer ** specializing in digital and high-speed processing designs. You ... Design and develop electrical interfaces and hardware for electro- mechanical systems. + Create circuit architecture, perform modeling, simulation, and… more
    RTX Corporation (12/18/25)
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  • Senior Principal Thermal Engineer

    Oracle (Concord, NH)
    …with Next Generation Fluid Cooling Solutions and Advanced Thermal Designs. + Understanding mechanical design process to work with mechanical design ... **Job Description** As a Senior Principal Thermal Engineer , you will focus...will focus on the alignment of OCI thermal hardware design with specific experience in Rack Cooling and the… more
    Oracle (11/25/25)
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  • Principal Manufacturing Engineer

    Mercury Systems (Hudson, NH)
    …a leading provider of mission-critical avionics and display system solutions. The principal manufacturing engineer works on behalf of Mercury Systems operations ... 25-377 Job Description Mercury Systems is seeking the world's best and brightest engineer to provide support as part of the manufacturing engineering team for the… more
    Mercury Systems (11/05/25)
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  • Principal Product Development…

    J&J Family of Companies (Danvers, MA)
    …of America **Job Description:** We are searching for the best talent for a Principal Product Development Engineer . Fueled by innovation at the intersection of ... **Job Function:** R&D Product Development **Job Sub** **Function:** R&D Mechanical Engineering **Job Category:** Scientific/Technology **All Job Posting Locations:**… more
    J&J Family of Companies (12/19/25)
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  • Senior Principal Optical Engineer

    BAE Systems (Manchester, NH)
    **Job Description** BAE Systems is currently looking for a talented **Senior Principal Optical Engineer ** to join our **EO/IR Capability Group** . This group ... a variety of product areas for government and commercial applications. The **Senior Principal Optical Engineer ** will develop and mature advanced EO system… more
    BAE Systems (11/19/25)
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  • Principal Shock and Structural…

    Leonardo DRS, Inc. (Fitchburg, MA)
    …element analysis (FEA) software. Demonstrated excellence applying fundamentals of mechanical design , including material selection. Proven experience individually ... Summary** DRS NPS has an immediate need for a Principal Shock and Structural Engineer to be... to be the subject matter expert on the design and analysis of shock and vibration for high… more
    Leonardo DRS, Inc. (11/26/25)
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  • Principal PCBA Test Engineer

    MKS Instruments Inc (Wilmington, MA)
    …looking for an exceptional Principal PCBA (Printed Circuit Board Assembly) Test Engineer to lead in the design , development and documentation of automated ... collaboration across engineering, manufacturing, and quality teams. As a Principal PCBA Test Engineer , you will utilize..., you will utilize your skills in electrical/electronic PCBA design & documentation practice, DfM / DfT analysis, and… more
    MKS Instruments Inc (12/18/25)
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