• Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Software Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... in National Security!** **Job Description** A Software Engineer on this program provides Agile development and operations and maintenance for mission critical… more
    Leidos (11/07/25)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …(Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned ... innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control , Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR)… more
    Sierra Nevada Company, LLC (12/09/25)
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  • Senior Principal Engineer Antenna Design…

    BAE Systems (Westminster, CO)
    …to successful producibility of designs and to cost, budget, and schedule control . + Experience with design of antennas and passive RF components (radiating ... knowledge of other related disciplines. + Demonstrated ability to lead RF efforts and tasks and to guide technical...to guide technical project teams toward the completion of program goals and milestones. \#LI-LB2 A security clearance or… more
    BAE Systems (12/07/25)
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  • Sr Principal Supply Chain Subcontract…

    Northrop Grumman (Melbourne, FL)
    …making history. **Please note that this opportunity is contingent on program funding. Start dates are determined after funding confirmation.** Northrop Grumman ... Aeronautics Systems has an opening for a **Senior Principal Subcontract Specialist** to join our team of qualified, diverse individuals. + **Location** : Melbourne,… more
    Northrop Grumman (12/05/25)
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  • Principal Circuit Board Designer…

    RTX Corporation (Tewksbury, MA)
    …hardware requirements, design, and test specifications + Help drive projects and execute to program schedules on time and budget + Lead small teams and mentor ... more secure world. The **Radar Digital Products** Department is seeking a ** Principal Electrical Engineer** with strong mixed signal PCB design skills. Our digital… more
    RTX Corporation (11/15/25)
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  • Principal Hardware Systems Engineer…

    RTX Corporation (Marlborough, MA)
    …as only US citizens are authorized to access information under this program /contract. **Security Clearance:** None/Not Required Join a team whose impact stretches ... even beyond! Collins Aerospace, an RTX company, is a leader in advanced technologically and intelligent solutions for the...join a team supporting the next generation Air Traffic Control (ATC) systems, as well as providing support to… more
    RTX Corporation (12/18/25)
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  • Senior Principal Scientist

    Pfizer (Groton, CT)
    …development. You will work across analytical functions and projects. A Senior Principal Scientist in Analytical Research and Development plays an important role ... **How You Will Achieve It** + As a project lead , you will be responsible for developing analytical strategies...degradation mechanisms and for shelf-life assignments, and developing impurity control strategies. + You will perform lab work and… more
    Pfizer (12/21/25)
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  • Principal Research Scientist, TB Modeling

    Bill and Melinda Gates Foundation (Seattle, WA)
    …Discovery Product and Surveillance (DPS) team at IDM advances disease control by producing analytical insights that increase programmatic effectiveness. We achieve ... Wednesday, January 7, 2026. Your Role We seek a Principal Research Scientist to join the DPS team to... Research Scientist to join the DPS team to lead efforts in dynamic modeling of tuberculosis (TB) to… more
    Bill and Melinda Gates Foundation (12/19/25)
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  • Principal Product Manager - AI Governance…

    Microsoft Corporation (Redmond, WA)
    …new frontier of governance. Microsoft's Azure AI Foundry team is looking for a Principal Product Manager to lead the AI Governance area, defining how enterprises ... manage trust, compliance, and control across their AI systems. As AI agents and...responsibly on the world's most trusted cloud. **Responsibilities** + Lead the AI Governance product area within Azure AI… more
    Microsoft Corporation (12/19/25)
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  • Principal Hardware Engineer

    Microsoft Corporation (Redmond, WA)
    …manage and optimize the Cloud infrastructure. We are looking for a ** Principal Hardware Engineer** to join the team. \#SCHIE #azurehwjobs #CHSE **Responsibilities** ... + Lead end-to-end product delivery from concept through launch, ensuring...OS, validation, and manufacturing teams. + Define and manage program baselines in partnership with TPMs, including scope, schedule,… more
    Microsoft Corporation (12/14/25)
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