• Principal Hardware Design & Test…

    RTX Corporation (Tewksbury, MA)
    …and lifecycle support of Raytheon products. This position is for a multi-disciplined ** Principal Hardware Design & Test Engineer .** Principal Hardware Design ... of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission...support to manufacturing and test engineers. + Lead small project or processes improvements within area of responsibility. +… more
    RTX Corporation (10/19/25)
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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 ... and maintenance of embedded software systems. + Provide technical guidance and project leadership to engineering teams. + Collaborate with cross-functional teams… more
    J&J Family of Companies (12/09/25)
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  • Principal Production Engineer

    J&J Family of Companies (Danvers, MA)
    …more at https://www.jnj.com/medtech **We are searching for the best talent for Principal Production Engineer in Danvers, MA.** **Purpose:** This role provides ... Organizing, Performance Measurement, Predictive Maintenance, Product Design, Program Management, Project Schedule, Safety-Oriented, Science, Technology, Engineering , and… more
    J&J Family of Companies (12/06/25)
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  • Principal Enterprise Network…

    Applied Research Solutions (Bedford, MA)
    …with a passion for secure, high-stakes systems? We are seeking a Principal -level Network Engineer to lead the design, installation, integration, maintenance, ... technical orders, blueprints, wiring diagrams, schematics, circuit diagrams and project documentation to ensure correct installation, integration, and interoperability.… more
    Applied Research Solutions (12/06/25)
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  • Principal Product Design Engineer

    ThermoFisher Scientific (Tewksbury, MA)
    …includes a drug screening. **Key Responsibilities and Functions:** + Serve as the Principal Product Build Engineer on multi-functional product teams. You will ... Center (XDC) is seeking a highly motivated, self-starting Product Design Engineering professional. This role will develop and drive next-generation electromechanical… more
    ThermoFisher Scientific (12/06/25)
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  • Principal Process Engineer…

    Sanofi Group (Framingham, MA)
    **Job Title:** Principal Process Engineer -Technical Sciences **Location:** Framingham, MA **About the Job** Join a global network that powers how Sanofi delivers ... digital tools. + Demonstrates solid understanding and use of engineering principles and practices to solve a range of...in creative and practical ways. + Leads small technical project teams . and provides technical guidance to less… more
    Sanofi Group (11/04/25)
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  • Principal Mechanical Engineer…

    RTX Corporation (Marlborough, MA)
    …Collins Aerospace Collins Aerospace is seeking a highly skilled and experienced Principal Mechanical Engineer Lead with expertise mechanical hardware design, ... complex mechanical systems and components. + Develop and review detailed engineering drawings, documentation, and specifications to ensure compliance with applicable… more
    RTX Corporation (11/14/25)
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  • Principal AI-Machine Learning…

    Dana-Farber Cancer Institute (Boston, MA)
    The Principal Artificial Intelligence & Machine Learning Engineer I/Scientist I works within the Artificial Intelligence Operations and Data Science Services ... Dana-Farber Cancer Institute - a teaching affiliate of Harvard Medical School.The Principal Artificial Intelligence & Machine Learning Engineer I/Scientist I… more
    Dana-Farber Cancer Institute (01/02/26)
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  • Principal GaN Reliability Engineer

    RTX Corporation (Andover, MA)
    …We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's ... to the success on this role. As a lead engineer , you will need to communicate efficiently and effectively...team of process engineers, technology owners, support team, and project leads + Produce key reliability metrics such as… more
    RTX Corporation (11/19/25)
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  • Principal Software Development…

    Oracle (Boston, MA)
    …and flexible workplace where you'll belong and be encouraged. We're looking for a Principal Software Development Engineer to help us build new service for our ... customers, operate our service and improve our engineering process. As a member of the **OCI Platform...and generally support our customers. You'll provide technical and project leadership to other software engineers on our team.… more
    Oracle (12/20/25)
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