• Principal Architect - Information…

    United Airlines (Denver, CO)
    …us to create what's next. Let's define tomorrow, together. **Description** The Principal Architect will be responsible for leading the architectural design and ... solutions that meet operational requirements, such as scalability, maintainability, security , reliability, extensibility, flexibility, availability, and manageability + Implement… more
    United Airlines (12/24/25)
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  • Principal Software Engineer

    Northrop Grumman (Chantilly, VA)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to ... defining possible? **Northrop Grumman Mission Systems** is seeking a ** Principal Software Engineer (T03)** to join our team! This...minimum of 7 years of experience. + Active Secret security clearance required. Active Secret clearance must be in… more
    Northrop Grumman (12/23/25)
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  • Principal Machine Learning Engineer

    Zscaler (San Jose, CA)
    …shape the future of cybersecurity. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more than ... has made us and our multitenant architecture today's cloud security leader, with more than 65 million users in...agility with a cloud-first strategy. We're hiring a talented Principal Machine Learning Engineer to join our growing ML/AI… more
    Zscaler (12/23/25)
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  • Principal System Engineer/Program Portfolio…

    KBR (Chevy Chase, MD)
    Title: Principal System Engineer/Program Portfolio Manager Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering ... solutions to our customers in the intelligence and national security communities. In this position, your work will have...the country's most critical role - protecting our national security . Why Join Us? + Innovative Projects: KBR's work… more
    KBR (12/20/25)
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  • Principal Systems Requirements…

    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 At Raytheon, the foundation of everything we… more
    RTX Corporation (12/20/25)
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  • Principal Software Engineer

    Microsoft Corporation (Santa Clara, CA)
    …Azure platform globally with our server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions. Our focus is ... significantly superior performance compared to CPU-based alternatives. We are seeking a Principal Software Engineer to join our DPU Build and Tools team responsible… more
    Microsoft Corporation (12/20/25)
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  • Principal AI/ML Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal AI/ML Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (12/20/25)
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  • Principal Logistics Specialist

    RTX Corporation (White Sands, NM)
    …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...engineering, our program offices, and our customers As a Principal Logistics Specialist you will be responsible for overseeing… more
    RTX Corporation (12/20/25)
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  • Principal Data Engineer - CoreAI

    Microsoft Corporation (Redmond, WA)
    **Overview** As a ** Principal Data Engineer - CoreAI** at Microsoft CoreAI, you will operate as a senior technical leader shaping the data and analytics foundations ... + Data Governance & Trust: follow best practices for data quality, lineage, security , and compliance. + Collaborate with stakeholders to define trustworthy data sets… more
    Microsoft Corporation (12/20/25)
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  • Principal Electromechanical Engineer

    Northrop Grumman (Aurora, CO)
    …history, they're making history. Northrop Grumman Space Systems is seeking an ** Principal ** **Electr** **omechanical Engineer** to join our team. This position would ... completed PhD-STEM + **Must have an Active/Final TS/SCI DoD security clearance at the time of application, with eligibility/willingness...IAT II or IAT III Level + Must have Security + and be current with Continuing Education (CE) requirements:… more
    Northrop Grumman (12/19/25)
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