• Principal Reliability Engineer

    RTX Corporation (Tewksbury, MA)
    …product support, which includes the following key disciplines: Reliability, System Safety , and Supportability. To help drive this mission forward, Raytheon currently ... has an exciting opportunity for a Principal Reliability Engineer, within our Land and Strategic Missile Defense business area. Your work will play a key role in… more
    RTX Corporation (10/28/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Marlborough, MA)
    …Family of Radars and GhostEye Family of Radars are seeking a **Senior Principal ** **Systems Engineer** to help in the execution of integration and analysis ... system areas; antenna, receiver/exciter, waveforms, digital beamforming, multi-sensor track management and data fusion, adaptive signal processing, clutter mitigation… more
    RTX Corporation (10/23/25)
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  • Principal RF System Engineer

    Leidos (Tewksbury, MA)
    **Description** Leidos has an opening for a Principal Systems Engineer in support of Checkpoint Screening Products in Tewksbury, MA **JOB SUMMARY:** Leidos is ... analysis, trade studies, requirements allocation and interface definition, technical management , integration, system testing, and quality assurance. **PRIMARY RESPONSIBILITIES:**… more
    Leidos (10/03/25)
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  • Senior Principal Scientist, Clinical…

    Merck (Boston, MA)
    **Job Description** The Senior Director (Sr. Principal Scientist) has primary responsibility for the strategic planning and directing clinical research activities ... and summarizing the clinical findings from studies to support decisions regarding safety and efficacy as well as new drug applications, clinical study reports,… more
    Merck (10/25/25)
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  • Principal Systems Engineer

    RTX Corporation (Woburn, MA)
    …create a safer, more secure world. The RMD team is looking for a ** Principal ** **Systems Engineer** to support the Missile Defense Sensors (MDS) department. The MDS ... security clearance. **Qualifications We Prefer:** + Experience with Battle Management command, Control, Communications, Computers and Intelligence (BMC4I) systems,… more
    RTX Corporation (09/27/25)
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  • Senior Principal Radar Receiver Exciter…

    RTX Corporation (Tewksbury, MA)
    …mentoring and purposeful rotations. We have an opportunity for a **Senior Principal Radar Receiver Exciter Hardware Lead** seeking to solve complex technical ... during design, integration, and test of Radar Receiver and Exciter sub-systems. + Process and analyze Radar Receiver/Exciter data, including but not limited to IQ… more
    RTX Corporation (08/21/25)
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  • Principal Reliability Engineer

    RTX Corporation (Woburn, MA)
    …Our focus area is product support, including the following disciplines: Reliability, System Safety , and Supportability. **What You Will Do:** As a ** Principal ** ... Sustainment, Site, and other Life Cycle Engineering teams + Supporting the proposal process in developing Basis of Estimates (BOEs) for RAM work + Tracking Earned… more
    RTX Corporation (08/16/25)
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  • Principal Applied Scientist - Security AI…

    Microsoft Corporation (Boston, MA)
    …products, turning cutting-edge research into dependable, production-ready capabilities. As a ** Principal Applied Scientist - Security AI Models** , you will lead ... objective benchmarks, metrics, and automated gates for accuracy, robustness, safety , and performance, enabling repeatable model shipping. + Collaborate with… more
    Microsoft Corporation (11/01/25)
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  • Principal Applied Scientist - Security AI…

    Microsoft Corporation (Boston, MA)
    …products, turning cutting-edge research into dependable, production-ready capabilities. As a ** Principal Applied Scientist - Security AI Models** , you will lead ... to objective benchmarks, metrics, and automated gates for accuracy, robustness, safety , and performance to enable repeatable model shipping + Collaborate with… more
    Microsoft Corporation (11/01/25)
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  • Senior Principal RF Design Engineer

    RTX Corporation (Tewksbury, 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 ... and support to production activities. + Cost and schedule management plus proposal writing. + This 1st shift position...a safer, more connected world. At RTX we value: Safety , Trust, Respect, Accountability, Collaboration, and Innovation. + This… more
    RTX Corporation (10/13/25)
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