• Principal Cyber Security Systems Engineer

    ManTech (Chantilly, VA)
    …business objectives + Developing and maintaining comprehensive system architecture and design documentation + Collaborating with engineering and cybersecurity ... MANTECH seeks a motivated, career-driven ** Principal Cyber Security Systems Engineer** to join our...CySA+, etc.) + Deep understanding of system architecture, infrastructure design , and engineering principles + Advanced knowledge… more
    ManTech (08/29/25)
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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 and Systems Engineers to design , build, monitor, maintain, and upgrade all program networks to ensure data is… more
    ManTech (09/10/25)
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  • Principal /Sr Principal Engineer…

    Northrop Grumman (Dulles, VA)
    …digital, analog, serial, and SpaceWire. + Interface with hardware engineers in the design , build, and test of the simulation platforms. + Work with program engineers ... + Be involved in the hardware definition and software design , development, debug and integration on simulation platforms. +...all levels. This position can be filled as a Principal (level 3) or Sr Principal (level… more
    Northrop Grumman (09/30/25)
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  • Principal UX Researcher , QuBIT

    Amazon (Arlington, VA)
    …Amazon's Quantitative Business Intelligence (QuBIT) organization is looking for a Principal UX Researcher to define research strategy, own the research roadmap, ... and help you achieve your short- and long-term career goals. As a Principal UX Researcher, you will focus on user research that influences end-to-end operator… more
    Amazon (07/09/25)
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  • Principal Software Engineer

    Lumen (Richmond, VA)
    …connect the world and shape the future. **The Role** We are seeking a Principal Engineer with unparalleled technical expertise to lead schema design and develop ... demands mastery of database internals (relational and non-relational), advanced schema design , and performant development in Java and other languages (Golang,… more
    Lumen (10/01/25)
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  • Principal Structural Engineer

    Parsons Corporation (Centreville, VA)
    …in your career, if you can imagine it, you can do it at BCC Engineering , a Parsons Company. Imagine a career working with exceptional people sharing a common quest. ... We've got what you're looking for. **Job Description:** BCC Engineering , a Parsons company is looking for an amazingly...a Parsons company is looking for an amazingly talented ** Principal Structural Engineer** to join our team! **What You'll… more
    Parsons Corporation (07/12/25)
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  • Principal Systems Engineer - ISR SME

    QinetiQ US (Mclean, VA)
    …and personal lives. Position Overview We are seeking an experienced Principal Systems Engineer with specialized expertise in Intelligence, Surveillance, and ... challenge technical approaches, and bridge knowledge gaps for the broader engineering team. Responsibilities Subcontractor Technical Oversight: + Serve as the lead… more
    QinetiQ US (09/16/25)
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  • Principal , Supply Chain Program Manager…

    L3Harris (Ashburn, VA)
    …institute tailored "right sized" practices and approaches for successful execution on early engineering design efforts, to complete product life cycle with a ... domains in the interest of national security. Job Title: Principal , Supply Chain Program Manager Job Code: 28843 Job...as a key interface to Program and Product Offices, Engineering , Quality, Finance and Operations. This individual will also… more
    L3Harris (09/14/25)
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  • Principal Engineer Critical Power System…

    Warner Bros. Discovery (Sterling, VA)
    …New Role ** As Principal Engineer of Critical Power Systems Engineering , you'll lead the design , deployment, and lifecycle strategy of high-availability ... preferred). + 15+ years of experience in mission-critical facility engineering , with deep expertise in power systems design... engineering , with deep expertise in power systems design and implementation. + 7+ years in a leadership… more
    Warner Bros. Discovery (08/17/25)
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  • Principal Associate, Data Science

    Capital One (Mclean, VA)
    Principal Associate, Data Science ** Principal Associate, Data Scientist -** **Commercial Data Science / AI** **Data is at the center of everything we do. As a ... learning and generative AI solutions through all phases of development, from design through training, evaluation, validation, and implementation** + **Mine for real… more
    Capital One (09/26/25)
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