• Principal Systems Engineer (Onsite)

    RTX Corporation (Point Mugu Nawc, CA)
    …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 (09/11/25)
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  • Sr. Principal RF/Microwave & Antenna…

    RTX Corporation (Goleta, CA)
    …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 At Raytheon, the foundation of everything we… more
    RTX Corporation (09/10/25)
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  • Principal Mechanical Engineer…

    RTX Corporation (Fullerton, CA)
    …naval electronics. The products support US Government and international customers. This Principal Mechanical Engineer role will support the Sentinel radar ... 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 (08/29/25)
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  • Senior Principal Scientific Software…

    Leidos (San Diego, CA)
    …problems for our Department of Defense customers. We are currently seeking a Senior Principal Scientific Software Engineer with a focus in camera sensors and ... due to on-site meetings. **Primary Responsibilities:** In this Senior Principal Scientific Software Engineering position: + You will design...be able to obtain and maintain and Top Secret security clearance (no clearance required to start). + At… more
    Leidos (10/01/25)
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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 ... experience for enterprise users. As the operator of the world's largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile,… more
    Zscaler (10/07/25)
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  • Principal Golang Software Engineer

    Zscaler (San Jose, CA)
    …to harness speed and agility with a cloud-first strategy. We're looking for a Principal Software Engineer to join our platform convergence team. This is a ... experience for enterprise users. As the operator of the world's largest security cloud, Zscaler accelerates digital transformation so enterprises can be more agile,… more
    Zscaler (09/30/25)
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  • Principal Software Engineer…

    Palo Alto Networks (Santa Clara, CA)
    …to all cloud services, customers on-premise remote networks and mobile users. As a Principal Engineer - you will build and design distributed backend services ... rapidly, a new approach is needed to provide connectivity, compliance and security for all. Prisma Access (formally GlobalProtect Cloud Service) provides protection… more
    Palo Alto Networks (09/03/25)
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  • Principal Embedded Software Engineer

    Silvus Technologies (Irvine, CA)
    …a pathway to a fulfilling career._ THE OPPORTUNITY Silvus is seeking a full-time Principal Embedded Software Engineer to join our Engineering Group, reporting to ... the system including device drivers, networking functions and services, encryption, and security features. The position is located at Silvus headquarters in the… more
    Silvus Technologies (09/01/25)
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  • Senior Principal Analog Design…

    Northrop Grumman (Los Angeles, CA)
    …transfer of an active DoD Secret Clearance.** **Basic Qualifications for a Senior Principal Analog Design Engineer :** + Bachelor's degree with 8 years of ... is a trusted provider of mission-enabling solutions for global security . Our Engineering and Sciences (E&S) organization pushes the...you to join our team as an Analog Design Engineer based out of Woodland Hills, CA. As a… more
    Northrop Grumman (10/02/25)
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  • Principal Engineer , Ford Mobile…

    Ford Motor Company (Sacramento, CA)
    In the position as a Principal Engineer , Ford Mobile Applications, you will be a key technical leader influencing the architecture, design, and development of ... robust mobile and cloud solutions ensuring an emphasis on security , performance, and reliability. + Collaborate cross functionally across...+ 10+ years of progressive experience as a software engineer , with a strong focus on designing and building… more
    Ford Motor Company (10/04/25)
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