• Principal Network Engineer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (10/31/25)
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  • NPI Principal Engineer , Project…

    RTX Corporation (Santa Isabel, PR)
    …demands of a rapidly evolving global market. We are seeking a seasoned Principal Engineer with exceptional technical depth and strategic leadership skills. In ... US citizens are authorized to access information under this program/contract. ** Security Clearance:** None/Not Required Joining Collins Aerospace isn't just about… more
    RTX Corporation (11/12/25)
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  • Sr Principal Space Systems Engineer

    Northrop Grumman (Colorado Springs, CO)
    …only part of history, they're making history. Northrop Grumman is seeking a Sr Principal Space Systems Engineer to work onsite at Schriever SFB, near Colorado ... Springs, CO for our Front Range Operations and Sustainment Team (FROST) program. We Liaison with...+ Detailed knowledge of Windows and Unix environments + Security + or another DoD 8570 approved certification Primary… more
    Northrop Grumman (09/20/25)
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  • Principal Systems Engineer

    RTX Corporation (Sterling, VA)
    security clearance ** Security Clearance:** DoD Clearance: Top Secret ** Principal Systems Engineer ** **- Operational Expert** This position is within the ... Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (11/04/25)
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  • Principal Data Engineer

    Mastercard (Harrison, NY)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal Data Engineer Who is Mastercard? Mastercard is a global ... and reporting as per needs. * Conduct data analysis and perform data operations to support business decisions. * Provide architecture guidelines and support from… more
    Mastercard (10/25/25)
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  • Principal Systems Engineer

    RTX Corporation (Cedar Rapids, IA)
    … Clearance:** DoD Clearance: Secret Collins Aerospace is seeking a **Senior Principal Systems Engineer ** for the Enduring Open Systems Solutions (EOSS) ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (10/16/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Cedar Rapids, IA)
    …Collins Aerospace, we don't just build systems; we build the future. As a ** Principal Systems Engineer ** , you'll support programs involved in modernizing the US ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (09/13/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    … Engineering (SSE). The Radar Digital Product Line (RDPL) is seeking a Senior Principal Systems Engineer to lead development of digital radar system models, ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (11/19/25)
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  • Principal , Software Engineer

    Walmart (Sunnyvale, CA)
    …and adaptive security frameworks across the enterprise. **What you'll do:** As a ** Principal Engineer ** at Walmart, you will serve as a key technical thought ... We partner closely with business, product, and technology teams to embed security into every layer of Walmart's digital operations -proactively addressing risks,… more
    Walmart (10/10/25)
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  • Principal Software Engineer - CoreAI

    Microsoft Corporation (Santa Clara, CA)
    …deeply into the modern developer workflow and serve millions worldwide. As a ** Principal Software Engineer - CoreAI** on the Playwright engineering team, you ... VS Code, and expand your impact as a hands-on engineer defining the next era of software quality. Microsoft's...of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers.… more
    Microsoft Corporation (11/18/25)
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