• Principal Mission / Systems Engineer

    RTX Corporation (West Valley City, UT)
    …flexibility at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal Mission / Systems Engineer ** who strives for excellence and ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...required, as only US citizens are eligible for a security clearance ** Security Clearance:** TS/SCI with Polygraph… more
    RTX Corporation (12/11/25)
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  • Principal Engineer I, Senior(Ciam)

    Robert Half Technology (Phoenix, AZ)
    Description Overview We are seeking a highly experienced Principal Engineer to architect, develop, and enhance customer identity and access management (CIAM) ... cloud, compliance, and product teams to design identity solutions that strengthen security , streamline access, and deliver an exceptional digital experience. This is… more
    Robert Half Technology (12/10/25)
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  • Principal Enterprise Network…

    Applied Research Solutions (Bedford, MA)
    …with a passion for secure, high-stakes systems? We are seeking a Principal -level Network Engineer to lead the design, installation, integration, maintenance, ... systems, radio, satellite links, and network backbone. + Apply communications- security (COMSEC) program expertise, ensuring physical, cryptographic, transmission, and… more
    Applied Research Solutions (12/06/25)
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  • Lead/ Principal Structural Analysis…

    The Boeing Company (Hazelwood, MO)
    …with us. Boeing Defense, Space & Security (BDS) is looking for a **Lead/ Principal Structural Analysis Engineer ** to join our team **Phantom Works** teams in ... location options.** **This position requires an active US Secret Security Clearance (US Citizenship Required). (A US Security... Security Clearance (US Citizenship Required). (A US Security Clearance that has been active in the past… more
    The Boeing Company (12/05/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …The SPY-6 Family of Radars and GhostEye Family of Radars are seeking a **Senior Principal Systems Engineer ** to help in the execution of integration and analysis ... 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 (11/14/25)
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  • Principal Systems Engineer

    RTX Corporation (Marlborough, MA)
    …The SPY-6 Family of Radars and the GhostEye family of radars are seeking a ** Principal Systems Engineer ** to help in the execution of integration and analysis ... 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 (11/14/25)
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  • Principal Infrastructure Lead…

    RTX Corporation (Dulles, VA)
    …of a rapidly evolving global market. We have an immediate need for an ** Principal ** **Infrastructure Lead Engineer - Classified System** to lead and guide a ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...required, as only US citizens are eligible for a security clearance ** Security Clearance:** Top Secret -… more
    RTX Corporation (11/04/25)
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  • Sr Principal Systems Engineer

    RTX Corporation (Richardson, TX)
    …a program to recapitalize with the next-generation capabilities. As our next **Senior** ** Principal Systems Engineer ** we will provide the training and tools to ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...required, as only US citizens are eligible for a security clearance ** Security Clearance:** DoD Clearance: Top… more
    RTX Corporation (11/01/25)
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  • 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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