• Principal Systems

    RTX Corporation (Woburn, MA)
    …within the Systems Engineering & Test Capabilities Directorate is seeking a Principal Systems Engineer who will support X-Band Radar technology that ... world. Raytheon is seeking a talented and motivated System Engineer to join our team System Integration & Test...at our Woburn, MA location. This includes supporting the Systems Verification and Integration tasks and scope… more
    RTX Corporation (01/08/26)
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  • Senior Principal Design Verification

    BAE Systems (Manchester, NH)
    …Other incentives may be available based on position level and/or job specifics. **Senior Principal Design Verification Engineer - FPGA - (Sign-on Bonus)** ... **Job Description** Picture yourself developing advanced electronic systems deployed to protect members of our armed...BAE is looking for experienced senior level FPGA Design Verification Engineers who can plan, architect, and develop … more
    BAE Systems (10/24/25)
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  • FAST Labs - Senior Principal Systems

    BAE Systems (Merrimack, NH)
    …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 ... be available based on position level and/or job specifics. **FAST Labs - Senior Principal Systems Engineer II** **117993BR** EEO Career Site Equal… more
    BAE Systems (10/31/25)
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  • Senior Principal Systems

    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 ... the Precision Strike (PS) Business Area has an immediate opening for an experienced Systems Engineer specializing in support to our development efforts in our… more
    BAE Systems (12/04/25)
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  • Principal Systems Engineer

    BAE Systems (Hudson, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Systems Engineer ** **118939BR** EEO Career Site Equal Opportunity ... integration, implementation, test and verification /validation of EW systems across multiple business areas. As team engineer...perform, delivering technical value, in the role of a Systems Engineer , for programs ranging from developing… more
    BAE Systems (12/03/25)
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  • CEMA - Principal Systems

    BAE Systems (Nashua, NH)
    …incentives may be available based on position level and/or job specifics. **CEMA - Principal Systems Engineer (Cyber Focus)** **117976BR** EEO Career Site ... integration, implementation, test and verification /validation of EW systems across multiple business areas. As team engineer...perform, delivering technical value, in the role of a Systems Engineer , for programs ranging from developing… more
    BAE Systems (10/31/25)
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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 ... the Precision Strike (PS) Business Area has an immediate opening for an experienced Systems Engineer specializing in support to our development efforts in our… more
    BAE Systems (11/12/25)
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  • CEMA - Principal Software Engineer

    BAE Systems (Hudson, NH)
    …expand our capabilities to support growing global demand for advanced electronic warfare systems . As a Principal Software Engineer , you'll bring senior-level ... defense. Advance your career. Make a difference.** Join BAE Systems ' Compass Call program, a cornerstone of our Countermeasure...built on collaboration, innovation, and mission focus. As a Principal Software Engineer , you ll have the… more
    BAE Systems (12/23/25)
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  • Senior Principal Systems

    RTX Corporation (Pelham, NH)
    …create a safer, more secure world. Raytheon is seeking a talented and motivated **Senior Principal Systems Engineer ** to join our team within the Systems ... functions seamlessly. **What You Will Do:** In this Senior Principal Systems Engineer role, you...and execute models to predict system performance and support verification and validation. + Integrate Systems : Integrate… more
    RTX Corporation (11/19/25)
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  • Principal Opto-Mechanical Engineer

    BAE Systems (Merrimack, NH)
    **Job Description** BAE Systems is seeking a proactive Principal Mechanical Engineer with analytical capabilities and demonstrated technical expertise. This ... to the design, development, integration/test, and production of dynamic optomechanical military systems . The engineer will work closely with hardware integrated… more
    BAE Systems (12/25/25)
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  • Sr Principal Systems Engineer

    RTX Corporation (Pelham, NH)
    …create a safer, more secure world. Raytheon is seeking a talented and motivated **Senior Principal Systems Engineer ** to join our team within the Systems ... functions seamlessly. **What You Will Do:** In this Senior Principal Systems Engineer role, you...test facility, or in the field, supporting integration and/or verification . + Experience interfacing with internal and external customers.… more
    RTX Corporation (12/11/25)
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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, ... incentives may be available based on position level and/or job specifics. ** Principal Mechanical Engineer , Development** **119293BR** EEO Career Site Equal… more
    BAE Systems (12/12/25)
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  • Principal Electrical Engineer

    Mercury Systems (Hudson, NH)
    …Job Description Job Summary: Mercury Systems seeks a talented principal electrical engineer to deliver cutting-edge solutions for mission-critical aerospace ... In this role, you'll innovate with advanced embedded technology to solve complex systems as part of a collaborative hardware electrical engineering team. As a… more
    Mercury Systems (12/04/25)
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  • Principal Radar Processing and Network…

    RTX Corporation (Tewksbury, MA)
    …more secure world. The **Radar Digital Products** Department is seeking a ** Principal Electrical Engineer ** with strong COTS computing and networking background ... team implementing the next generation RADAR solutions. **What You Will Do** The ** Principal ** **Electrical Engineer ** will work with Product Leads and other team… more
    RTX Corporation (11/15/25)
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  • Principal System Engineer

    Leidos (Tewksbury, MA)
    **Description** Leidos Security Enterprise Solutions (SES) has an opening for Principal System Engineer to act as an IMS instrument system lead to support the ... based on Ion Mobility Spectrometry (IMS). Leidos is seeking an experienced scientist/ engineer to lead the instrument systems engineering and system design… more
    Leidos (12/30/25)
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  • Principal Firmware Engineer , Motor…

    J&J Family of Companies (Danvers, MA)
    …United States of America **Job Description:** Johnson & Johnson is hiring for a ** Principal Firmware Engineer , Motor Control - Abiomed** to join our team located ... **Job Function:** R&D Product Development **Job Sub** **Function:** R&D Software/ Systems Engineering **Job Category:** Scientific/Technology **All Job Posting Locations:**… more
    J&J Family of Companies (12/09/25)
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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 ... responsibilities** + Lead technically complex design efforts from concept through verification and support through transfer to manufacturing, product launch and… more
    J&J Family of Companies (12/19/25)
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  • Principal GaN Reliability Engineer

    RTX Corporation (Andover, MA)
    …applied statistics is key to the success on this role. As a lead engineer , you will need to communicate efficiently and effectively with a cross-functional team and ... circuits (MMICs) + Interact with probe stations and multiple reliability testing systems (DC and RFOL) + Support onsite wafer foundry's next-generation technology… more
    RTX Corporation (11/19/25)
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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** ... phase of the test solution design process through the verification and final system sell-off in a production facility...on the design and deployment of complex factory test systems + Lead development of test hardware, software, and/or… more
    RTX Corporation (12/12/25)
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  • Principal Product Security Engineer

    J&J Family of Companies (Danvers, MA)
    …& Johnson's MedTech cybersecurity team is recruiting for an experienced Sr Product Security Engineer to be based in Danvers, MA or Raritan, NJ. This role can also ... If that's you, we have an immediate opportunity for a Sr Product Security Engineer to join the Product Cybersecurity team to help ensure security is implemented by… more
    J&J Family of Companies (12/31/25)
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