• Principal AI Engineer

    Mastercard (Arlington, VA)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal AI Engineer About Mastercard Mastercard is a global ... building next-generation AI-powered platforms to drive innovation and impact. As a Principal AI Engineer , you'll work with cutting-edge tools, large language… more
    Mastercard (10/01/25)
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  • Principal AI Engineer

    Mastercard (Arlington, VA)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal AI Engineer About Mastercard Mastercard is a global ... safer, smarter, and more personal. Role Overview: As a Principal AI Software Engineer , you will play...AI platform. * Technical Leadership & Collaboration- Partner with senior engineers, data scientists, and product teams to define… more
    Mastercard (09/26/25)
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  • Sr . Full Stack Developer CMPRS

    SAIC (Ashburn, VA)
    **Description** **SAIC** is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an ... US Citizen with the ability to obtain and maintain a public trust security clearance.** + Middleware and User interface driven applications. + Web Services… more
    SAIC (09/20/25)
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  • Principal , Software Engineer

    Walmart (Herndon, VA)
    …the Global Technology Network Engineering and Operations Team:** The Principal Network Engineer will report to the Senior Director of Network Engineering and ... **Position Summary ** **What you'll do ** As a Principal Engineer , you will play an important role in shaping the technical direction and running Walmart Global… more
    Walmart (10/02/25)
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  • Principal Satellite Communications…

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Principal Satellite Communications Engineer ** to join our team in the **Reston, VA** location. This ... is an **onsite** position. The ** Principal Satellite Communications Engineer ** will travel worldwide...**Clearance Requirements:** + Must have an active/current Top Secret security clearance. **Physical Requirements:** + Must be able to… more
    ManTech (09/18/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    ManTech seeks a motivated, career and customer-oriented ** Principal Software Engineer ** to join our team in **Reston, VA.** This is an onsite position. The ** ... Principal Software Engineer ** will work with Network...environments **Clearance Requirements:** + Must have an active/current Secret Security Clearance. **Physical Requirements:** + Must be able to… more
    ManTech (09/10/25)
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  • Unified Communications Engineer

    Amentum (Warrenton, VA)
    …for transformative change. **Responsibilities:** The duties and responsibilities of the Principal Unified Communications Engineer include, but are not limited ... voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program boasts a professional… more
    Amentum (09/17/25)
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  • Principal Engineer - Compute…

    Confluent (Richmond, VA)
    …together. One Confluent. One Team. One Data Streaming Platform. **About the Role:** As Principal Engineer of the new Compute Platform, you will be working ... (including Kafka, Flink, Connect and more) . As a senior technical leader, you think strategically and you help...not limited to cloud infrastructure, big data systems, and security + Work closely with product management and engineering… more
    Confluent (10/02/25)
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  • Principal Data Engineer

    ManTech (Alexandria, VA)
    **MANTECH** seeks a motivated, experienced career and client-oriented ** Principal Data Engineer ** to join our team in **Alexandria, VA.** In this role, you will ... and high throughput for real-time and batch data processing. + Implement robust security measures to protect sensitive data and ensure compliance with relevant data … more
    ManTech (09/10/25)
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  • Senior Java Developer

    Cognizant (Richmond, VA)
    ** Senior Java Developer** **About the role** As a .... Previous experience in roles such as Technical Lead, Security Architect, or Principal Engineer . . ... team and work collaboratively with cross-functional teams including DevOps, QA, Security , and Compliance. **Work model** We strive to provide flexibility wherever… more
    Cognizant (10/02/25)
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