• Senior Principal RF Range Engineer

    RTX Corporation (Tucson, AZ)
    …more secure world. The Effector RF Design Team at Raytheon is seeking a talented Senior Principal Engineer to join our team in Tucson, AZ. The candidate will be ... 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 (10/29/25)
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  • Principal RF Antenna and Radome Design…

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. The RF Antenna Team at Raytheon is seeking a talented Principal Engineer to join our team in Tucson, AZ. The candidate will be ... 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 (10/29/25)
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  • Senior Principal RF Mechanical…

    RTX Corporation (Tucson, AZ)
    …Effector RF Design Team at Raytheon is seeking a talented and experienced **Senior Principal Engineer ** to join our innovative and collaborative team in Tucson, ... 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 (10/21/25)
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  • Sr. Principal RF Module Design/Development…

    RTX Corporation (Andover, 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...**Job Summary:** An exciting opportunity exists for a **_Sr. Principal RF Module Design/Development Engineer_** to join our Module… more
    RTX Corporation (10/16/25)
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  • Principal Reverse Systems Engineer

    RTX Corporation (Anaheim, CA)
    …at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal Reverse Systems Engineer ** who strives for excellence and has ... 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 (10/15/25)
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  • Principal Software Development…

    Zscaler (San Jose, CA)
    …to harness speed and agility with a cloud-first strategy._ We are hiring a Principal Software Development Engineer to join our Central Authority team. You will ... cybersecurity. _Our Engineering team built the world's largest cloud security platform from the ground up, and we keep...has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in… more
    Zscaler (10/11/25)
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  • Principal RF Subsystems Engineer

    RTX Corporation (Tucson, AZ)
    …more secure world. The Effector RF Products Team at Raytheon is seeking a talented Principal Engineer to join our team in Tucson, AZ. The candidate will be ... 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 (10/07/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …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 (10/01/25)
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  • Sr. Principal Software Engineer

    BAE Systems (Nashua, NH)
    …may be available based on position level and/or job specifics. **Sr. Principal Software Engineer ** **116447BR** EEO Career Site Equal Opportunity Employer. ... you can, too. We are seeking talented, experienced Senior Principal Level Software engineers to help us create the...the ever-evolving challenges and threats to our nation s security and the war fighter. You will be an… more
    BAE Systems (12/19/25)
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  • Sentinel - Principal / Sr Principal

    Northrop Grumman (Roy, UT)
    …part of history, they're making history. Northrop Grumman is seeking an experienced ** Principal /** **Senior Principal Reliability Engineer ** to support ... technical discipline (STEM) + Must have an active US Government DoD Secret security clearance at time of application, current and within scope + Experience with… more
    Northrop Grumman (12/12/25)
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