• Principal Cloud Developer with Node.JS…

    General Dynamics Information Technology (Fairfax, VA)
    …Principal Level:** 5+ years of related experience with **AWS** cloud computing + ** Senior Principal Level:** 8+ years of related experience with **AWS** cloud ... experience **Job Description:** Transform technology into opportunity as **a Principal Cloud Developer** at GDIT. Shape what's next for...AWS cloud services + Monitors and tunes the cloud systems to achieve optimum performance levels +… more
    General Dynamics Information Technology (10/26/25)
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  • Principal /Sr Principal Contract…

    Northrop Grumman (Charlottesville, VA)
    …Ability to obtain and maintain a DoD Secret security clearance **Qualifications for Senior Principal Contract Administrator (Band 4):** + Bachelor's degree with ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (08/30/25)
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  • Principal Engineer, Amazon | Multiple…

    Amazon (Arlington, VA)
    … Engineers are both visionary leaders and hands-on builders. As Amazon's most senior individual contributors, Principal Engineers work on our hardest problems, ... to work on a wide range of technologies and systems which are on device (high volume consumer devices,...and advance our technology. Key job responsibilities As a Principal Software Engineer, you will: Serve as a technical… more
    Amazon (11/14/25)
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  • Principal Applied Scientist, Agentic AI…

    Amazon (Arlington, VA)
    …research and development initiatives to advance the state-of-the-art in agent-based AI systems - Collaborate with senior scientists across the organization to ... Description As a Principal Applied Scientist on our Agentic AI Professional...leader in the development and deployment of agentic AI systems . This advanced-level scientific position requires exceptional expertise in… more
    Amazon (10/28/25)
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  • Principal Satellite Communications Engineer

    ManTech (Reston, VA)
    …and working with network management personnel on integration issues to maximize system performance + Performing load analysis of systems and communications links ... **ManTech** seeks a motivated, career and customer-oriented ** Principal Satellite Communications Engineer** to join our team in the **Reston, VA** location. This is… more
    ManTech (09/18/25)
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  • Principal Process Engineer

    Parsons Corporation (Centreville, VA)
    …your full potential. Unleash your talent and redefine what's possible. **Job Description:** ** Principal Process Engineer - Wastewater Systems - Los Angeles, CA** ... **OPPORTUNITY** : The **Wastewater Principal Process Engineer** provides technical leadership and project management...other advanced water and wastewater treatment processes.** + The senior project/process engineer is expected to be an effective… more
    Parsons Corporation (10/30/25)
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  • Principal DC Infra Engineer

    Amazon (Herndon, VA)
    Description he Principal Data Center Infrastructure Engineer serves as a trusted technical authority within Amazon's global Infrastructure organization, specializing ... setting the standard for engineering excellence across the organization. The Principal DCIE serves as the technical authority for critical infrastructure… more
    Amazon (10/31/25)
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  • Principal Advisor - Batteries

    Pacific Northwest National Laboratory (Richmond, VA)
    …levels. Reporting to the Director of the Energy Processes and Materials Division, the Principal Advisor will serve as PNNL's senior leader for battery R&D. In ... capture and utilization, and hydrogen production and storage. We employ a systems perspective that includes discovery, technology development, and scale-up as well… more
    Pacific Northwest National Laboratory (10/17/25)
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  • Principal Applied Scientist, Sponsored…

    Amazon (Arlington, VA)
    Description The Sponsored Products (SP) team is looking for a Principal Scientist to help our millions of shoppers intuitively navigate our vast inventory by ... in product and technical innovations every day! As a Principal Scientist in Sponsored Products, you will have deep...of ML and GenAI models for ranking and retrieval systems . You will work with multiple teams of scientists… more
    Amazon (10/08/25)
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  • Principal , Software Engineer

    Walmart (Herndon, VA)
    …and members. **About the Global Technology Network Engineering and Operations Team:** The Principal Network Engineer will report to the Senior Director of ... **Position Summary ** **What you'll do ** As a Principal Engineer, you will play an important role in...you'll do:** + Architect and lead the design of high- performance , scalable WAN and backbone networks. + Develop long-term… more
    Walmart (10/02/25)
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