• Sr. Principal Electro-Optical Subsystem I&…

    Northrop Grumman (Chandler, AZ)
    …and 0 years of experience + Must have an active US Government DoD Secret security clearance at time of application , current and within scope + Basic knowledge ... making history. Northrop Grumman Space Systems is looking for a **Sr. Principal Electro-Optical Subsystem I&T Engineer to support the** **Glide Phase Interceptor**… more
    Northrop Grumman (10/22/25)
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  • Principal Sys Engineer, Live Battery Test…

    RTX Corporation (Tucson, AZ)
    …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...and Test Center (SETC) organization is currently hiring a Principal Systems Engineer, Effectors, to join our Tucson, AZ… more
    RTX Corporation (10/29/25)
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  • Principal FPGA Design Engineer - Onsite

    RTX Corporation (Tucson, AZ)
    …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...ground to exoatmospheric environments and into space. As a ** Principal FPGA Design Engineer** you will develop FPGA designs… more
    RTX Corporation (10/04/25)
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  • Senior Principal RF Range Engineer

    RTX Corporation (Tucson, AZ)
    …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...Design Team at Raytheon is seeking a talented Senior Principal Engineer to join our team in Tucson, AZ.… more
    RTX Corporation (10/29/25)
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  • Sr Principal FPGA Design Engineer - Onsite

    RTX Corporation (Tucson, AZ)
    …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...to exoatmospheric environments and into space. As a **Senior Principal FPGA Design Engineer** you will lead development of… more
    RTX Corporation (11/15/25)
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  • Principal Advisor - Batteries

    Pacific Northwest National Laboratory (Phoenix, AZ)
    …and dedicated budget. Our Science & Technology directorates include National Security , Earth and Biological Sciences, Physical and Computational Sciences, and Energy ... and efficiency technologies that improve the affordability, reliability, resiliency, and security of the American energy system; and resolving complex issues in… more
    Pacific Northwest National Laboratory (10/17/25)
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  • Sr. Principal Electrical Engineer IV

    Northrop Grumman (Chandler, AZ)
    …and operations/manufacturing groups.** **Job responsibilities:** **Broad understanding and application of industry and company electrical engineering technical ... making history. **Northrop Grumman Space Systems is currently seeking a Senior Principal Electrical Engineer IV in our Chandler, AZ facility.** **The Chandler group… more
    Northrop Grumman (11/03/25)
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  • Principal Electrical Engineer III (GPI)

    Northrop Grumman (Chandler, AZ)
    …and operations/manufacturing groups. **Job responsibilities:** + Broad understanding and application of industry and company electrical engineering technical ... they're making history. Northrop Grumman Space Systems is currently seeking a Principal Electrical Engineer III in our Chandler, AZ facility. The Glide Phase… more
    Northrop Grumman (09/27/25)
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  • Sr. Principal Embedded Real-time Software…

    RTX Corporation (Tucson, AZ)
    …pride in the company and consistently delivers superior solutions. Our Senior Principal Embedded Real-Time Software Developer/Integrator is a technical position ... 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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  • Principal Systems Engineer - Anti-Tamper…

    RTX Corporation (Tucson, AZ)
    …problems that create a safer, more secure world. Raytheon is seeking a ** Principal Systems Security Engineer Anti-Tamper/Program Protection (P4)** to join our ... 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 (09/16/25)
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