• Project Engineer Principal - Level 6

    Lockheed Martin (Fort Worth, TX)
    …**We are** _Lockheed Martin_ We are seeking a highly experienced and skilled Principal Project Engineer to lead and manage the development of complex engineering ... flexible work schedules to comprehensive benefits investing in your future and security , Learn more about Lockheed Martin's comprehensive benefits package here\. Do… more
    Lockheed Martin (11/22/25)
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  • Principal Platform Software Engineer…

    NVIDIA (Santa Clara, CA)
    …us at the forefront of technological advancement. We are looking for a principal platform software architect who can lead next generation data center server product ... design architecture to real products. + Works with the security team to ensure developed code is in line...to ensure developed code is in line with product security goals, and with hardware teams to influence hardware… more
    NVIDIA (11/19/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...more. **Join us and make a difference in National Security !** **Job Description** As a Software Engineer on this… more
    Leidos (11/19/25)
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  • Principal Engineer - DSP/Waveform (Onsite)

    RTX Corporation (Cedar Rapids, IA)
    …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...Systems Advanced Technology & Capabilities (ATC) is seeking a Principal Engineer to perform research & development on the… more
    RTX Corporation (11/19/25)
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  • Principal Systems Engineer

    RTX Corporation (Fulton, MD)
    …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...subsidiary of Collins Aerospace/RTX and is currently seeking a Principal Systems Engineer to join our team in Fulton,… more
    RTX Corporation (11/19/25)
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  • Principal Software Automation/Test Engineer…

    Palo Alto Networks (Santa Clara, CA)
    …building products - we're redefining what's possible in cybersecurity. As a Principal Software Automation/Test Engineer, you'll play a critical role in our mission ... of a team that's leading the charge in cloud security innovation, we want to hear from you. +...Market Leader - Be part of the fastest-growing cloud security platform, trusted by leading organizations around the globe… more
    Palo Alto Networks (11/18/25)
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  • Principal Software Solutions Architect…

    AssistRx (Maitland, FL)
    AssistRx is seeking a Principal Software Solutions Architect to lead the modernization, governance, and optimization of our Azure-based platform and enterprise ... elevating engineering standards, mentoring teams, and collaborating closely with product, security , DevOps, and client stakeholders. You will drive the evolution of… more
    AssistRx (11/15/25)
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  • Principal Full Stack Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Full Stack Developer** in our **National Security Sector's (NSS) Cyber & ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...more. **Join us and make a difference in National Security !** **Job Description** As a Full Stack Developer on… more
    Leidos (11/07/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Software Engineer** in our **National Security Sector's (NSS) Cyber & ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (11/07/25)
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  • Principal Production Hardware Engineer…

    RTX Corporation (Largo, FL)
    …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:** Secret - Current...rapidly evolving global market. Collins Aerospace is seeking a Principal Production Hardware Engineer to fill an onsite position… more
    RTX Corporation (11/07/25)
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