• Principal Engineer, Amazon | Multiple…

    Amazon (Arlington, VA)
    …that delight our customers and advance our technology. Key job responsibilities As a Principal Software Engineer, you will: Serve as a technical leader on our ... technology choices. Basic Qualifications - 10+ years of non-internship professional software development experience - Knowledge of object-oriented design, data… more
    Amazon (08/15/25)
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  • Principal Manufacturing & Autonomy Research…

    Leidos (Arlington, VA)
    …composed of members from academia and industry for competitive research and development opportunities + Experience developing software for critical applications ... **Description** Are you a motivated Principal Resilient Systems Scientist with a technical vision...established Information and Data Science Division is seeking a Senior Resilient Systems Scientist to help lead strategic solution… more
    Leidos (09/24/25)
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  • Principal Autonomy and Resilient Systems…

    Leidos (Arlington, VA)
    …composed of members from academia and industry for competitive research and development opportunities + Experience developing software for critical applications ... **Description** Are you a motivated Principal Resilient Systems Scientist with a technical vision...established Information and Data Science Division is seeking a Senior Resilient Systems Scientist to help lead strategic solution… more
    Leidos (07/19/25)
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  • Java Developer Principal

    SAIC (Ashburn, VA)
    …technical experience. + 9+ years of strong Java J2EE/JEE design and software development experience including designing, programming, and documenting large-scale ... are currently seeking a motivated, career and customer oriented ** Principal Java Backend Developer** to join our team to...Responsibilities** + Working closely with the tech lead and senior developers, the Senior -Level Backend Developer will… more
    SAIC (09/12/25)
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  • Principal Enterprise Architect - Cloud

    NiSource (Chester, VA)
    …the Principal Enterprise Architect works closely with the Application Development , Infrastructure, Security, Data & Analytics, and PMO teams to provide overall ... ** Principal Enterprise Architect - Cloud** **Full Time Perm**...provide guidance in the selling and execution within solution development processes of options and reuse points. **Essential Functions**… more
    NiSource (09/05/25)
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  • Principal Applied Scientist, Agentic AI…

    Amazon (Arlington, VA)
    Description As a Principal Applied Scientist on our Agentic AI Professional Services Experience team, you will serve as the foremost technical authority and thought ... leader in the development and deployment of agentic AI systems. This advanced-level...driving innovation, and representing the company's AI capabilities to senior leadership at customer organizations while ensuring our solutions… more
    Amazon (09/24/25)
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  • Principal AI Engineer

    Mastercard (Arlington, VA)
    …Mastercard stronger and commerce safer, smarter, and more personal. Role Overview: As a Principal AI Software Engineer, you will play a pivotal role in ... businesses and governments realize their greatest potential._ **Title and Summary** Principal AI Engineer About Mastercard Mastercard is a global technology leader… more
    Mastercard (09/26/25)
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  • Lead/ Principal ASME Codes and Standards…

    MPR Associates (Alexandria, VA)
    …and consulting firm, is actively seeking a capable and motivated Lead/ Principal ASME (American Society of Mechanical Engineers) Codes and Standards Engineer to ... applicable from conceptual design to full qualification. Duties/Responsibilities The Lead/ Principal ASME Codes and Standards Engineer will: + Plan, lead, and… more
    MPR Associates (07/31/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …engineering services and consulting firm, is actively seeking capable and motivated Lead/ Principal Nuclear Engineers to join our team. If you are seeking a unique, ... and project management responsibilities will be included. Duties/Responsibilities The Lead/ Principal Nuclear Engineer will: + Plan, lead, and enable the nuclear… more
    MPR Associates (09/26/25)
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  • Principal Manager, Global Media Planning

    Qualtrics (Reston, VA)
    …** Principal Manager, Global Media Planning** **Why We Have This Role** As a Senior / Principal Manager of Global Media Planning, you'll play a key role in ... At Qualtrics, we create software the world's best brands use to deliver...weeks per year + Access to extensive learning and development resources supporting career growth and skill advancement +… more
    Qualtrics (09/23/25)
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