• Senior Principal Mechanical

    BAE Systems (Merrimack, NH)
    **Job Description** BAE Systems is seeking a Senior Principal Mechanical Engineer to join our team in Merrimack, New Hampshire! We Protect Those Who ... Other incentives may be available based on position level and/or job specifics. ** Senior Principal Mechanical Engineer - Hybrid** **119220BR** EEO Career… more
    BAE Systems (12/11/25)
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  • Sr Principal Mechanical

    RTX Corporation (Tewksbury, MA)
    …design, integration, and production support. The ADGE department is looking for a full-time Senior Principal Mechanical Engineer to support Patriot GEM-T ... meaningful problems that create a safer, more secure world. The Raytheon Mechanical Engineering (ME) Organization leads the mechanical hardware design,… more
    RTX Corporation (10/22/25)
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  • Senior Principal Mechanical

    RTX Corporation (Tewksbury, MA)
    …integration, and production support. Mechanical Engineering is searching for an experienced Senior Principal Design Engineer to work in the Radar Design ... more secure world. The Raytheon Hardware Engineering Organization leads the mechanical hardware design, development and production of radar, sonar, torpedo, and… more
    RTX Corporation (11/06/25)
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  • Senior Principal Electro-…

    RTX Corporation (Andover, MA)
    …Raytheon in Andover, MA, is currently seeking a **_Sr._** **_Principal Electro- Mechanical Engineer_** to develop leading-edge miniaturized 3DHI sensors and systems ... will be a highly motivated "self-starter" who will apply strong mechanical and electrical engineering skills to implement innovative solutions to challenging… more
    RTX Corporation (12/19/25)
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  • Senior Principal Optical…

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

    BAE Systems (Nashua, NH)
    …incentives may be available based on position level and/or job specifics. **EMI/EMC Senior Principal Engineer ** **118906BR** EEO Career Site Equal ... career with us. BAE Systems is seeking an Sr Principal EMI/EMC Electrical Engineer ' to work in...BOMs, cable harnesses, wiring schematics, interface diagrams, layout drawings, mechanical drawings and CAD software + Prior experience with… more
    BAE Systems (12/02/25)
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  • Senior Principal Systems…

    BAE Systems (Nashua, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Principal Systems Engineer - Development** **119014BR** EEO Career ... Strike (PS) Business Area has an immediate opening for an experienced Systems Engineer specializing in support to our development efforts in our Terminal High… more
    BAE Systems (12/04/25)
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  • Senior Principal RF Design…

    RTX Corporation (Tewksbury, MA)
    …production builds, and lifecycle support of Raytheon products. We have an opportunity for a Senior Principal RF Design Engineer who is seeking to utilize ... limiters, couplers, etc.). + Working with interdisciplinary teams - power, digital, mechanical , etc. + Schematic capture and RF routing. + Technical support during… more
    RTX Corporation (10/13/25)
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  • Principal Systems Engineer

    BAE Systems (Nashua, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Systems Engineer - Development** **118901BR** EEO Career Site Equal ... Strike (PS) Business Area has an immediate opening for an experienced Systems Engineer specializing in support to our development efforts in our Terminal High Area… more
    BAE Systems (12/04/25)
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  • Principal Development Systems…

    BAE Systems (Nashua, NH)
    …incentives may be available based on position level and/or job specifics. ** Principal Development Systems Engineer ** **118383BR** EEO Career Site Equal ... Strike (PS) Business Area has an immediate opening for an experienced Systems Engineer specializing in support to our development efforts in our Terminal High Area… more
    BAE Systems (11/12/25)
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  • Principal Electrical Design Engineer

    RTX Corporation (Westford, MA)
    …and creating intelligence products from these sensors. We are seeking a ** Senior Electrical Design Engineer ** specializing in digital and high-speed processing ... Do** + 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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  • FAST Labs - Optical Systems Senior

    BAE Systems (Merrimack, NH)
    …based on position level and/or job specifics. **FAST Labs - Optical Systems Senior Principal Scientist** **119396BR** EEO Career Site Equal Opportunity Employer. ... customers emerging mission needs. EOSS is seeking an experienced Scientist / R&D Systems Engineer to join our team. In this role you will be a technical individual… more
    BAE Systems (12/19/25)
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  • Sr Test Engineer

    MKS Instruments Inc (Wilmington, MA)
    A Day in Your Life at MKS: We are seeking a highly driven Senior Test Engineer who is excited to lead the deployment, development, and documentation of automated ... such as Minitab and statistical process controls. You'll collaborate closely with Principal and Senior Test Engineers, gaining mentorship while contributing your… more
    MKS Instruments Inc (12/15/25)
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  • Test Engineering Lead

    BAE Systems (Hudson, NH)
    **Job Description** Senior Principal Electrical Product Test Engineer Full-time onsite: Because of the need for consistent, in-person collaboration and/or ... 1st shift on 4/10s Monday-Thursday. This role is a senior level opportunity for a highly experienced individual with...looking for a strong energetic highly experienced Electrical Test Engineer to support our electro- mechanical box build… more
    BAE Systems (11/07/25)
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