• Principal Electrical Engineer

    Sierra Nevada Company, LLC (Dayton, OH)
    …improve cutting edge products and services. Sierra Nevada Corporation is seeking a Principal Electrical Engineer with a specialization in Instrumentation to join ... The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in...ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship status is required as this… more
    Sierra Nevada Company, LLC (12/13/25)
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  • Senior Principal Software Engineer

    RTX Corporation (Richardson, TX)
    …more secure world. The **Software Foundations** team is looking to hire a Senior Principal Software Engineer to be part of their onsite team in Richardson, ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...required, as only US citizens are eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret… more
    RTX Corporation (12/12/25)
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  • Principal Program Quality Engineer

    RTX Corporation (Tucson, AZ)
    …problems that create a safer, more secure world. We are seeking an onsite ** Principal Program Quality Engineer ** (PQE) to serve within the Shipboard Missiles ... 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 (12/12/25)
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  • Sr Principal Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and a passion for developing innovation solutions? Join our team! As a Sr Principal Systems Architect you will guide the development and support of the Survivable ... and subcontractors. The Systems Architect works closely with the Chief Engineer and the Systems Engineering leadership to drive the technical solution… more
    Sierra Nevada Company, LLC (12/03/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …innovations that impact billions of lives around the world. We are hiring a ** Principal Software Engineer ** to join the **Identity & Network Access Team** and ... **Overview** Security represents the most critical priorities for our...in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place… more
    Microsoft Corporation (12/03/25)
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  • Principal Software Development…

    RTX Corporation (Portsmouth, RI)
    …problems that create a safer, more secure world. We are seeking a skilled Principal Software Development Engineer with a focus on developing complex systems in ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...required, as only US citizens are eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret… more
    RTX Corporation (11/22/25)
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  • Senior Principal RF Engineer

    RTX Corporation (Aurora, CO)
    …secure world. The Apertures and RF Team at Raytheon is looking for a Sr. Principal Engineer , Electrical & Electronics Engineering to be a member of a technical ... 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 (11/12/25)
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  • Principal Embedded Software Engineer

    RTX Corporation (Goleta, CA)
    …create a safer, more secure world. Raytheon is seeking a highly motivated, experienced Principal Software Engineer to be an active participant in the software ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...required, as only US citizens are eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret… more
    RTX Corporation (10/29/25)
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  • Principal FPGA Design Engineer

    RTX Corporation (Tucson, AZ)
    …the world, from the ground to exoatmospheric environments and into space. As a ** Principal FPGA Design Engineer ** you will develop FPGA designs for all major ... 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 (10/04/25)
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  • Sr Principal Engineer Software (AIRS…

    Palo Alto Networks (Seattle, WA)
    …from development through runtime. We are looking for a highly skilled and experienced Senior Principal Engineer to join the Prisma AIRS to play a crucial part in ... AIRS, Palo Alto Networks is building the world's most comprehensive AI security platform. Organizations are increasingly building complex ecosystems of AI models,… more
    Palo Alto Networks (09/25/25)
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