• Principal Software Engineer

    RTX Corporation (Fort Wayne, IN)
    …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 Are you looking to make a meaningful, positive… more
    RTX Corporation (12/13/25)
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  • Principal Software Engineer

    RTX Corporation (Cedar Rapids, IA)
    …global market. Collins Aerospace Resilient Connectivity Products (RCP) Engineering seeks a ** Principal Software Engineer ** to join the Platform Services Software ... 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 (12/13/25)
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  • Principal Systems Engineer

    RTX Corporation (Tewksbury, MA)
    …Integrated Air & Missile Defense Systems (IAMDS) department is seeking a ** Principal Systems Engineer ** with technical expertise and systems engineering skills ... 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 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 (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 ... 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 (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 Software Test Engineer

    RTX Corporation (Cedar Rapids, IA)
    … clearance​ ** Security Clearance:** Secret - Current We're looking for a ** Principal Software Test Engineer ** to join our team in Cedar Rapids, IA, ... 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 (12/10/25)
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  • Principal Engineer , Quality…

    RTX Corporation (Andover, MA)
    …problems that create a safer, more secure world. Raytheon is seeking a Principal Quality Engineer to join the Radio Frequency Components team supporting ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date… more
    RTX Corporation (12/09/25)
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  • Principal Test Systems Execution Lead…

    RTX Corporation (Tucson, AZ)
    …secure world. We have an exciting opportunity for a full-time position of ** Principal Test Systems Execution Lead Engineer ** located **onsite in Tucson, ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date… more
    RTX Corporation (12/06/25)
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  • Principal Embedded Software Engineer

    Silvus Technologies (Irvine, CA)
    … protocols and encryption algorithms. + Audio streaming and push-to-talk voice application implementation. + Analyzing and improving product security and ... the system including device drivers, networking functions and services, encryption, and security features. This position is fully onsite, Monday through Friday, at… more
    Silvus Technologies (12/06/25)
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