• Principal Hardware Design & Test Engineer

    RTX Corporation (Tewksbury, MA)
    …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 ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...of Raytheon products. This position is for a multi-disciplined ** Principal Hardware Design & Test Engineer.** Principal more
    RTX Corporation (10/19/25)
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  • Principal AI/ML Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    …mission. The AI/ML Engineer will act as the critical bridge between data science and software engineering mission capturing requirements from stakeholders ... **Leidos** has a new and exciting opportunity for a ** Principal AI/ML Engineer** in our **National Security ...always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With… more
    Leidos (12/20/25)
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  • Principal BizOps Engineer

    Mastercard (O'Fallon, MO)
    …businesses and governments realize their greatest potential._ **Title and Summary** Principal BizOps Engineer * Overview Business Operations is leading the DevOps ... a CI/CD geek who loves all things automation? The Data Warehouse BizOps team is looking for a Site...resources All About You * BS degree in Computer Science or related technical field involving coding (eg, physics… more
    Mastercard (11/26/25)
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  • Principal Network Engineer - DC and AI…

    NVIDIA (Santa Clara, CA)
    …Electrical Engineering, Computer Science , Computer Engineering, Artificial Intelligence, Data Science , Mathematics, Statistics, or equivalent experience. + ... We are seeking a highly skilled Principal Network Engineer to join our dynamic team...and scalable DC AI Clusters and Interconnects for GPU-accelerated data centers and compute clusters. Outstanding problem-solving abilities and… more
    NVIDIA (01/01/26)
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  • Sentinel - Principal / Structural Design…

    Northrop Grumman (Roy, UT)
    …a Master's Degree in STEM with 0 years of related experience + Principal Engineer: Bachelor's Degree in STEM ( Science , Technology, Engineering, Mathematics) with ... history, they're making history. Northrop Grumman's Defense Systems is seeking a ** Principal / Civil & Structural Design Engineer** on the Infrastructure Design Team… more
    Northrop Grumman (12/17/25)
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  • Pricing, Principal Specialist

    KBR (Chantilly, VA)
    Title: Pricing, Principal Specialist Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's… more
    KBR (12/20/25)
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  • Principal Systems Engineer - Signal…

    RTX Corporation (Tucson, AZ)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret...for Effectors. The Signal Processing team is seeking a ** Principal Systems Engineer - Signal Processing.** As the **… more
    RTX Corporation (11/23/25)
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  • Principal Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you ... a Principal Software Engineer who is ready for a new...on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable and… more
    GliaCell Technologies (11/10/25)
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  • Principal Software Engineer - Purview

    Microsoft Corporation (Redmond, WA)
    …the world. The Microsoft Purview Team is responsible for a broad suite of data governance, data security , compliance, privacy, and risk management solutions ... **Overview** Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity.… more
    Microsoft Corporation (12/17/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …around the world. Microsoft Purview team is responsible for a broad suite of data governance, data security , compliance, privacy, and risk management ... **Overview** Security represents the most critical priorities for our...and multi-cloud environments. We are looking to hire a Principal Software Engineer for the Purview team, you will… more
    Microsoft Corporation (12/14/25)
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