• 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 ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...responsible for contributing to the architecture , analysis, design, and implementation of RF subsystems and… more
    RTX Corporation (10/07/25)
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  • Principal Software Engineer

    Oracle (Austin, TX)
    …focus on reasonable on-call and a good work/life balance. **Responsibilities** As a Principal Software Engineer on the Network Automation team, you will help ... is undergoing rapid growth while working on many new ambitious initiatives. An engineer at any level can have significant technical and business impact. Join our… more
    Oracle (12/09/25)
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  • Principal Machine Learning Engineer

    ServiceNow, Inc. (Santa Clara, CA)
    …establishing AI quality assurance methodologies and the trusted compliance workflow. The principal engineer will bring deep technical leadership and hands-on ... It all started in sunny San Diego, California in 2004 when a visionary engineer , Fred Luddy, saw the potential to transform how we work. Fast forward to today -… more
    ServiceNow, Inc. (12/05/25)
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  • Principal Systems Engineer

    RTX Corporation (Woburn, MA)
    …create a safer, more secure world. The RMD team is looking for a ** Principal ** **Systems Engineer ** to support the Missile Defense Sensors (MDS) department. The ... 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… more
    RTX Corporation (12/27/25)
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  • Principal Electrical Engineer - Test

    RTX Corporation (Tucson, AZ)
    …** Security Clearance:** DoD Clearance: Secret This position is for a Principal Electrical Engineer with at least 5 years of professional experience. ... 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 (12/18/25)
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  • Principal Test Engineer

    Mercury Systems (Phoenix, AZ)
    Req. Number 25-504 Job Description Job Summary: Mercury Systems is seeking a Principal Test Engineer to lead efforts in developing and executing server system ... role plays a pivotal part in ensuring product reliability, performance, and security across the full engineering lifecycle from concept to sustainment. Job… more
    Mercury Systems (12/12/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Mckinney, TX)
    …Raytheon's Advanced Airborne Radio Frequency department has an immediate opening for a Principal Systems Engineer who is committed and passionate about creating ... 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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  • Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …world. Integrated Air & Missile Defense Systems (IAMDS) department is seeking a ** Principal Systems Engineer .** IAMDS leads all aspects of Systems Engineering ... 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 (12/03/25)
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  • Principal Software Engineer - C,…

    Zscaler (San Jose, CA)
    …and increasing our global footprint, the team has made us and our multitenant architecture today's cloud security leader, with more than 15 million users in ... cybersecurity. Our Engineering team built the world's largest cloud security platform from the ground up, and we keep...with a cloud-first strategy. We're looking for an experienced Principal Software Development Engineer to join our… more
    Zscaler (11/17/25)
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  • Senior Principal Software Engineer

    Oracle (Montpelier, VT)
    security , observability, high availability, reliability, disaster recovery, reference architecture , and maximum availability architecture . **Who are we ... service software engineering: high-scale distributed systems, virtualized infrastructure, identity, security , observability, and user experience. This is a greenfield… more
    Oracle (11/26/25)
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