• Senior Principal , Design

    Celestica (Merrimack, NH)
    …AI servers, switches, accelerators, and their racks. We work hard together to design at the leading edge of cooling technology. Celestica has a profoundly ... + Heat transfer theory and its application to electronics cooling + Systems design understanding of the entire heat path: chip to rejection to the environment.… more
    Celestica (12/02/25)
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  • Senior Principal MMIC Design

    BAE Systems (Nashua, NH)
    …part of? Come build your career with BAE Systems. BAE Systems is seeking a Senior Principal MMIC Design Engineer to join the Microelectronics Center located ... **Required Education, Experience, & Skills** + BS in Electrical Engineering or equivalent + 10 years minimum of experience...be available based on position level and/or job specifics. ** Senior Principal MMIC Design Engineer… more
    BAE Systems (10/29/25)
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  • Principal , Design

    Celestica (Merrimack, NH)
    …**Summary** The TPL Compute will serve as the Lead in the hardware design , implementation, and management of compute systems. Primary responsibilities will be to ... strategies and recommend industry best practices for compute solutions. Support the design and deployment of effective compute solutions, research new and emerging… more
    Celestica (12/04/25)
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  • Senior Principal RF Test Integration…

    BAE Systems (Nashua, NH)
    …is currently undergoing` an exciting period of growth. We are seeking an experienced Senior Principal RF Test Engineer to join the Digital Architecture Team. The ... step to grow your career? Do you want to design and develop common solutions that are mission critical...exciting period of growth. We are seeking an experienced Senior Principal RF Test Engineer to join… more
    BAE Systems (11/07/25)
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  • Senior Principal Mechanical Engineer…

    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 Protect Us ... Other incentives may be available based on position level and/or job specifics. ** Senior Principal Mechanical Engineer - Hybrid** **119220BR** EEO Career Site… more
    BAE Systems (12/11/25)
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  • FAST Labs - Senior Principal II…

    BAE Systems (Merrimack, NH)
    …commitment to "Protect Those Who Protect Us . **Join our team as a Senior Principal II Software Engineer in FAST Labs Engineering ** As a key member of our ... be available based on position level and/or job specifics. **FAST Labs - Senior Principal II Software Engineer** **118430BR** EEO Career Site Equal Opportunity… more
    BAE Systems (11/14/25)
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  • Senior Principal Software Engineer…

    BAE Systems (Manchester, NH)
    …re innovating for the future. And you can, too. We are seeking talented, experienced Senior Principal Level Software engineers to help us create the world s most ... more of the phases of Project Planning, Requirements Development, Design , Development, Integration and Testing. You will prepare ...be available based on position level and/or job specifics. ** Senior Principal Software Engineer (Onsite & Sign… more
    BAE Systems (10/14/25)
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  • FAST Labs - Senior Principal Systems…

    BAE Systems (Merrimack, NH)
    …processing. About the Role: Ready to make a difference? BAE Systems is looking for a Senior Principal Systems Engineer II to help lead and work as part of ... cross-functional, multi-disciplinary teams to architect, design , integrate, debug, and test novel RF/EW/cyber systems. The...on position level and/or job specifics. **FAST Labs - Senior Principal Systems Engineer II** **117993BR** EEO… more
    BAE Systems (10/31/25)
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  • Senior Principal Systems Engineer…

    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 Site ... of all sizes and enjoy a mix of creative design work, mentoring the next generation of proteges, developing...for this position + ABET accredited Bachelor's degree in Engineering , Physics or Computer Science and at least 8… more
    BAE Systems (12/04/25)
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  • Senior Principal Software Engineer…

    BAE Systems (Hudson, NH)
    …offers a unique opportunity to shape the future of defense technology. As a Senior Principal II Software Architect/ Engineering Lead, you ll spearhead a ... C in a Linux environment + Foundation in Object-Oriented design and implementation principles + Software engineering ...be available based on position level and/or job specifics. ** Senior Principal Software Engineer II** **115743BR** EEO… more
    BAE Systems (12/09/25)
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  • Senior Principal Systems Engineer

    BAE Systems (Merrimack, NH)
    …incentives may be available based on position level and/or job specifics. ** Senior Principal Systems Engineer** **118908BR** EEO Career Site Equal Opportunity ... the war fighter. Your responsibilities will include: + Providing system engineering content and work products, which includes developing the requirements baseline,… more
    BAE Systems (12/02/25)
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  • Senior Principal Antenna Engineer

    BAE Systems (Merrimack, NH)
    …incentives may be available based on position level and/or job specifics. ** Senior Principal Antenna Engineer** **118720BR** EEO Career Site Equal Opportunity ... **Job Description** BAE Systems is seeking a Principal LO Antenna Design Engineer to...independently with minimal technical direction and work with systems engineering developing and managing system level RF and Radar… more
    BAE Systems (12/02/25)
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  • EMI/EMC Senior Principal Engineer

    BAE Systems (Nashua, NH)
    …may be available based on position level and/or job specifics. **EMI/EMC Senior Principal Engineer** **118906BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** Ready to make a difference? Our employees design , integrate, and test the world s next generation...career with us. BAE Systems is seeking an Sr Principal EMI/EMC Electrical Engineer' to work in our Nashua,… more
    BAE Systems (12/02/25)
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  • Senior Principal Quality Engineer

    BAE Systems (Merrimack, NH)
    …problem-solving team. BAE Systems Electronic Combat Solutions (ECS) business area is seeking a Senior Principal Program Quality Engineering in the Small Form ... incentives may be available based on position level and/or job specifics. ** Senior Principal Quality Engineer** **115945BR** EEO Career Site Equal Opportunity… more
    BAE Systems (09/25/25)
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  • Senior Principal II - Systems…

    BAE Systems (Hudson, NH)
    …medical benefits, the employee assistance program, and business travel accident insurance. ** Senior Principal II - Systems Engineer** **117416BR** EEO Career ... **Job Description** Shape the Future of Engineering at BAE Systems See what you re missing. Our employees work on the world s most advanced software and electronics… more
    BAE Systems (10/18/25)
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  • Principal PCB Design Specialist

    BAE Systems (Hudson, NH)
    **Job Description** BAE Systems is hiring for a Senior PC Design Specialist in our Hudson, NH or Fort Wayne, IN location. See what you re missing. Our employees ... your career with BAE Systems. In this role, the Senior PCB Specialist will design moderate to...well as instructing drafting teams on how to incorporate design changes into drawings. + Experienced incorporating engineering more
    BAE Systems (12/12/25)
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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. ... **Required Education, Experience, & Skills** + Typically a BS in Electrical Engineering (EE), Physics, Optics, Electro-Optics or equivalent with 6 years of… more
    BAE Systems (12/19/25)
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  • Senior Principal Program Manager

    Mercury Systems (Hudson, NH)
    Req. Number 25-581 Job Description Job Summary As a Senior Principal Program Manager, you will be responsible for the performance of one or multiple programs ... teams composed of contracts, program planning, finance, operations, and engineering , to develop next-generation high-performance embedded processing solutions. You… more
    Mercury Systems (12/06/25)
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  • Principal Mechanical Engineer

    Wilcox Industries (Newington, NH)
    …the primary technical authority on significant design initiatives, the Principal Engineer brings deep expertise in mechanical engineering principles, robust ... Roles & Responsibilities + Serves as the technical lead on large-scale engineering efforts, driving concept through final design , validation, and production… more
    Wilcox Industries (10/19/25)
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  • Sr Principal Systems Engineer - SETC…

    RTX Corporation (Pelham, NH)
    …that create a safer, more secure world. Raytheon is seeking a talented and motivated ** Senior Principal Systems Engineer** to join our team within the Systems ... of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission...system functions seamlessly. **What You Will Do:** In this Senior Principal Systems Engineer role, you will… more
    RTX Corporation (12/11/25)
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