• Principal Mechanical Engineer

    BAE Systems (Nashua, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer , Development ** **119293BR** EEO Career ... **Job Description** BAE Systems is seeking a Principal Mechanical Engineer to...verification. Typical duties assigned to this position: + Lead mechanical engineering designs, development , integration/test, and production… more
    BAE Systems (12/12/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …We have an opportunity for an experienced Principal Mechanical Engineer to support our radar development programs. This person will be responsible ... Secret The Radar Mechanical Design Department leads mechanical design, development , and integration of some...well as operations, systems, quality and program offices. This Principal Engineer role will be based in… more
    RTX Corporation (11/13/25)
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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 ... development of IR technology hardware and systems + Mechanical and/or Opto- Mechanical design & analysis +...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 ... mechanical design and analysis + Experience with mechanical engineering development software tools + Experience...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 seasoned Principal Mechanical Engineer to lead a team of mechanical engineers and to be a subject matter ... incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer (Design/Analysis)** **117597BR** EEO Career Site… more
    BAE Systems (10/22/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …Managed by Collins Aerospace Collins Aerospace is seeking a highly skilled and experienced Principal Mechanical Engineer Lead with expertise mechanical ... **What you will do:** + Lead the design, analysis, development , and testing of complex mechanical systems...design, analysis, development , and testing of complex mechanical systems and components. + Develop and review detailed… more
    RTX Corporation (11/14/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Marlborough, MA)
    …world. Raytheon Mechanical Engineering (ME) is the premier organization for mechanical hardware design, development , production, and research. ME strives to ... within the Tactical Radars and Effectors (TRE) Department. The TRE Department leads mechanical and hardware design, development and production of radar, sonar,… more
    RTX Corporation (11/25/25)
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  • Senior Principal Systems Engineer

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

    BAE Systems (Nashua, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Development Systems Engineer ** **118383BR** EEO Career Site Equal ... Area has an immediate opening for an experienced Systems Engineer specializing in support to our development ...Computer Science and at least 6 years experience + Development and production of a complex electro/ mechanical more
    BAE Systems (11/12/25)
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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 ... Strike (PS) Business Area has an immediate opening for an experienced Systems Engineer specializing in support to our development efforts in our Terminal… more
    BAE Systems (12/04/25)
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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 Systems Engineer

    Hologic (Marlborough, MA)
    Principal Systems Engineer /Architect Newark, DE, United States Marlborough, MA, United States Are you ready to lead the design and development of ... devices that transform women's care? Hologic is seeking a visionary ** Principal Systems Engineer /Architect** with strong electrical engineering experience to… more
    Hologic (11/21/25)
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  • Principal Shock and Structural…

    Leonardo DRS, Inc. (Fitchburg, MA)
    …and navies around the world. **Job Summary** DRS NPS has an immediate need for a Principal Shock and Structural Engineer to be the subject matter expert on the ... structures. You will provide direct contributor work in designing for mechanical shock survivability and vibration response of multiple product lines including… more
    Leonardo DRS, Inc. (11/26/25)
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  • Senior Principal Optical Engineer

    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 ... 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 Electrical Engineer

    BAE Systems (Nashua, NH)
    **Job Description** BAE Systems is seeking a Principal Electrical Engineer to join our team in southern New Hampshire! We Protect Those Who Protect Us is our ... you are an individual who thrives in Agile hardware development environments, then we are interested in hearing from...be available based on position level and/or job specifics. ** Principal Electrical Engineer ** **119241BR** EEO Career Site… more
    BAE Systems (12/11/25)
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  • Senior Principal RF Design Engineer

    RTX Corporation (Marlborough, MA)
    …and lifecycle support of Raytheon products. We have an opportunity for a Senior Principal RF Design Engineer who is seeking to utilize their academic background ... and Transmitter products. **What You Will Do** : + Architecture development , requirements analysis, hardware design, hands-on testing of components, circuit card… more
    RTX Corporation (12/12/25)
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  • Principal Electrical Design Engineer

    RTX Corporation (Westford, MA)
    …products from these sensors. We are seeking a **Senior Electrical Design Engineer ** specializing in digital and high-speed processing designs. You will be ... 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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  • Senior Principal Engineer - Hardware…

    RTX Corporation (Marlborough, MA)
    …proposal estimation and writing, including Basis of Estimates (BOEs) + Work with Mechanical and Electrical Section Managers to ensure the proper staffing of programs ... This includes all production and maintenance employees, as they are essential to the development of our products. At Collins, the paths we pave together lead to… more
    RTX Corporation (11/28/25)
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  • FAST Labs - Optical Systems Senior…

    BAE Systems (Merrimack, NH)
    …and expendables. ST has established itself as a market leader in the development of EO/IR and RF technologies. Within ST, the Electro-Optic Sensing Solutions ... 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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  • 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 the ... We are looking for a strong energetic highly experienced Electrical Test Engineer to support our electro- mechanical box build environment. Responsibilities will… more
    BAE Systems (11/07/25)
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