• Principal Manufacturing

    Mercury Systems (Hudson, NH)
    …group, a leading provider of mission-critical avionics and display system solutions. The principal manufacturing engineer works on behalf of Mercury Systems ... Mercury Systems is seeking the world's best and brightest engineer to provide support as part of the ...initiatives + Training production floor on the use of manufacturing equipment + Evaluating and implementing new equipment +… more
    Mercury Systems (11/05/25)
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  • Principal Manufacturing Software…

    BAE Systems (Nashua, NH)
    …talent, motivation, and vision to join our team. We are seeking an experienced Principal Manufacturing Software Engineer to lead our team's software ... Other incentives may be available based on position level and/or job specifics. ** Principal Manufacturing Software Engineer ** **118081BR** EEO Career Site… more
    BAE Systems (11/05/25)
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  • Principal Engineer

    RTX Corporation (Andover, MA)
    …meaningful problems that create a safer, more secure world. Join our Manufacturing Supplier Quality Engineering team in Andover. This high visibility and on-site ... position will be a quality engineer role who drives continuous improvement with focus on...statistical / analytical tools such as APQP and lean manufacturing methodologies + Working with other Quality functions and… more
    RTX Corporation (10/31/25)
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  • Principal Electronic Engineer

    Advanced Energy (Wilmington, MA)
    …development, testing, manufacturing , and documentation of products or systems. The Principal Engineer should be able to identify and recommend design ... Principal Electronic Engineer **ABOUT ADVANCED ENERGY**...AEIS) is a global leader in the design and manufacturing of highly engineered, precision power conversion, measurement and… more
    Advanced Energy (09/05/25)
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  • Principal Mechanical Engineer

    Wilcox Industries (Newington, NH)
    …Serving as the primary technical authority on significant design initiatives, the Principal Engineer brings deep expertise in mechanical engineering principles, ... electro-mechanical combat systems for today's warfighters and law enforcement officers. The Principal Mechanical Engineer at Wilcox is a recognized technical… more
    Wilcox Industries (10/19/25)
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  • Sr. Principal II Opto-Mechanical…

    BAE Systems (Merrimack, NH)
    **Job Description** BAE Systems is seeking a proactive Sr. Principal Mechanical Engineer with analytical capabilities and demonstrated technical expertise. This ... the product life cycle. This includes concept development, detail design, qualification, manufacturing transition, and production support. The engineer will be… more
    BAE Systems (11/03/25)
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  • Senior Principal RF/Microwave…

    BAE Systems (Nashua, NH)
    **Job Description** We are seeking a highly motivated and experienced Senior Principal RF Engineer to join our team on the EPAWSS (Eagle Passive/Active Warning ... and Survivability System) program. As a Senior Principal RF Engineer , you will play a...a concentration in RF + Experience working in a manufacturing environment + Experience in RF/Microwave subsystem, module, and… more
    BAE Systems (10/22/25)
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  • Principal Mechanical Engineer

    BAE Systems (Nashua, NH)
    **Job Description** BAE Systems is seeking a seasoned Principal Mechanical Engineer to lead a team of mechanical engineers and to be a subject matter expert in ... incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer (Design/Analysis)** **117597BR** EEO Career Site Equal… more
    BAE Systems (10/22/25)
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  • Principal Mechanical Engineer

    BAE Systems (Hudson, NH)
    **Job Description** We are seeking a talented and experienced Principal Mechanical Engineer with experience in the area of electronic packaging for the design ... incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer ** **115585BR** EEO Career Site Equal Opportunity… more
    BAE Systems (09/09/25)
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  • Senior Principal II Mechanical…

    BAE Systems (Hudson, NH)
    **Job Description** We are seeking a highly experienced and accomplished Senior Principal II Mechanical Engineer to join our team, supporting a program that ... may be available based on position level and/or job specifics. **Senior Principal II Mechanical Engineer ** **115587BR** EEO Career Site Equal Opportunity… more
    BAE Systems (09/09/25)
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  • ADGE Sr Principal Mechanical…

    RTX Corporation (Tewksbury, MA)
    …security clearance **Security Clearance:** DoD Clearance: Secret **Title: ADGE Sr Principal Mechanical Engineer (On-Site)** **Job Description:** **The Air ... hardware integration, and interconnects.** **We are seeking a motivated and driven Senior Principal Mechanical Engineer to join our Ground Equipment Design Team.… more
    RTX Corporation (09/16/25)
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  • Principal Software Engineer

    BAE Systems (Nashua, NH)
    …This specific role is to join our Digital Architecture Team as a Principal Software Engineer . Typical responsibilities for this role include: + Architecting, ... incentives may be available based on position level and/or job specifics. ** Principal Software Engineer ** **116867BR** EEO Career Site Equal Opportunity… more
    BAE Systems (10/02/25)
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  • Principal Quality Engineer - Risk…

    Insight Global (Bedford, MA)
    Job Description We are seeking a highly experienced Principal Engineer to lead specialized initiatives in risk management, design controls, and product ... to reflect design changes and risk mitigations. Collaborate with R&D and manufacturing teams to ensure seamless integration of risk management into product… more
    Insight Global (10/10/25)
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  • Production Support Senior Principal

    BAE Systems (Nashua, NH)
    …growth, we have immediate roles available for an experienced and highly motivated Principal Mechanical Engineer to join our Transition to Production, and Product ... based on position level and/or job specifics. **Production Support Senior Principal Mechanical Engineer ** **118125BR** EEO Career Site Equal Opportunity… more
    BAE Systems (11/05/25)
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  • Senior Principal EMI / Power Design…

    BAE Systems (Nashua, NH)
    **Job Description** BAE Systems is hiring for a Sr. Principal Electrical Engineer . At BAE Systems, we deliver a full range of products and services for air, land ... required + Provide training and support to technicians and manufacturing personnel as required + Support Root Cause and...available based on position level and/or job specifics. **Senior Principal EMI / Power Design Engineer ** **117833BR**… more
    BAE Systems (10/29/25)
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  • Senior Principal MMIC Design…

    BAE Systems (Nashua, NH)
    …Come build your career with BAE Systems. BAE Systems is seeking a Senior Principal MMIC Design Engineer to join the Microelectronics Center located in Nashua, ... incentives may be available based on position level and/or job specifics. **Senior Principal MMIC Design Engineer (Hybrid)** **117882BR** EEO Career Site Equal… more
    BAE Systems (10/29/25)
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  • Principal Digital Electrical…

    BAE Systems (Nashua, NH)
    …growth, we have immediate roles available for an experienced and highly motivated Principal Digital Electrical Engineer to join our Transition to Production, ... incentives may be available based on position level and/or job specifics. ** Principal Digital Electrical Engineer ** **115396BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Senior Principal Hardware Production…

    RTX Corporation (Tewksbury, MA)
    …position is for a multi-disciplined Senior Principal Hardware Production Support Engineer , capable of solving design and manufacturing problems and providing ... to resolve production and transition to production issues. This Senior Principal Engineer position may be responsible for task assignment and execution of… more
    RTX Corporation (10/23/25)
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  • Principal Test Development Engineer

    RTX Corporation (Tewksbury, MA)
    …that create a safer, more secure world. Raytheon is currently seeking a ** Principal ** **Test Equipment Design Engineer ** to join the **Sensor Test Solutions** ... through its development cycle, from requirements definition through deployment at manufacturing or customer facilities. These test capabilities may span disciplines… more
    RTX Corporation (08/21/25)
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  • Principal Process Engineer

    PCI Pharma Services (Bedford, NH)
    …and shape the future of PCI. We're looking for a **hands-on, highly skilled Principal Process Engineer ** to lead complex engineering projects from concept to ... installation, and start-up of new plant utilities, equipment, and systems. + ** Engineer for Excellence** - Optimize performance of packaging equipment and … more
    PCI Pharma Services (08/12/25)
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