• Principal Electrical Engineer

    Mercury Systems (Phoenix, AZ)
    …Number 25-471 Job Description Job Summary: Mercury Systems seeks a talented principal electrical engineer to deliver cutting-edge solutions for mission-critical ... aerospace and defense applications, combining commercial innovation with defense-grade security . In this role, you'll innovate with advanced embedded technology to… more
    Mercury Systems (12/04/25)
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  • Principal Shock and Structural…

    Leonardo DRS, Inc. (Fitchburg, MA)
    …and navies around the world. **Job Summary** DRS NPS has an immediate need for a Principal Shock and Structural Engineer to be the subject matter expert on the ... designing for mechanical shock survivability and vibration response of multiple product lines including large rotating electric motors, generators, and steam turbine… more
    Leonardo DRS, Inc. (11/26/25)
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  • Principal Mechanical Engineer

    RTX Corporation (Richardson, TX)
    …Systems Integrated Strategic Solutions (ISSE) engineering team is seeking a self-motivated Principal Mechanical Engineer that thrives in the design, development, ... 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 (10/29/25)
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  • Systems Engineer Principal

    General Dynamics Information Technology (Fort Carson, CO)
    …**Certifications:** CASP CE+ - CompTIA - CompTIA, CISSP - ISC2 - ISC2, CCNP: Security - Cisco - Cisco **Experience:** 8 + years of related experience **US ... Citizenship Required:** Yes **Job Description:** Systems Engineer Advisor, GEF Principle Engineer Deliver simple solutions to complex problems as an GEF … more
    General Dynamics Information Technology (11/12/25)
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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 ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...Visual Basic + Agile experience as a Scrum Master, Product Owner, or other Agile leadership roles + Knowledge… more
    RTX Corporation (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 ... Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US...+ Determine what the requirements should be for a product or system based on information from the customer… 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 - CoreAI

    Microsoft Corporation (Redmond, WA)
    …retrieval systems through Azure AI Search. We are on the lookout for an experienced ** Principal Software Engineer - CoreAI** to join us in this exciting journey. ... of AI-powered retrieval. **Responsibilities** + Lead architecture design, testing, and security compliance for products. + Create design documents, oversee team… more
    Microsoft Corporation (11/26/25)
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  • Principal Production Hardware…

    RTX Corporation (Largo, FL)
    …the demands of a rapidly evolving global market. Collins Aerospace is seeking a Principal Production Hardware Engineer to fill an onsite position in the Factory ... 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 (11/07/25)
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  • Principal Software Engineer - UI,…

    Zscaler (San Jose, CA)
    …worldwide to harness speed and agility with a cloud-first strategy. We seek a seasoned Principal Software Engineer , UI reporting into the VPE. You will lead a ... of cybersecurity. **Job Description:** Our Engineering team built the world's largest cloud security platform from the ground up, and we keep building. With more… more
    Zscaler (11/01/25)
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