• Senior Principal Systems Engineer,…

    RTX Corporation (Cedar Rapids, IA)
    …Aerospace Mission Systems Advanced Technology & Capabilities (ATC) Engineering seeks a Senior Principal Systems Engineer to join the Disruptive Systems ... 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: TS/SCI… more
    RTX Corporation (08/15/25)
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  • Senior / Principal Python Engineer

    SciTec (Boulder, CO)
    …software engineering, mathematics, engineering, or the physical sciences. + 8+ years ( Senior ) or 12+ years ( Principal ) of ongoing professional experience and ... data processing technologies and scientific instrumentation capabilities in support of National Security and Defense, and we are growing our creative team! We… more
    SciTec (06/19/25)
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  • Senior Principal Ground Systems…

    BAE Systems (Boulder, CO)
    …Other incentives may be available based on position level and/or job specifics. ** Senior Principal Ground Systems Engineer II** **116242BR** EEO Career Site ... like Test Readiness Review (TRR), Factory or Site Acceptance Test (FAT/SAT); Security milestones like Interim Authority to Test (IATT), Authority to Operate (ATO);… more
    BAE Systems (09/12/25)
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  • Senior Principal Project Manager…

    Northrop Grumman (Dulles, VA)
    …Division) is seeking a motivated and talented **Resources, Operations, and Projects Lead ( Senior Principal Project Manager)** in support of the operating unit ... creating complex and challenging solutions critical to our nation's security . **Basic Qualifications:** + Bachelor's Degree with 8 years...related experience with a PhD. + Active TS SCI Security Clearance + Expert knowledge with MS Office Tools… more
    Northrop Grumman (09/12/25)
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  • Senior Principal Electrical Engineer…

    RTX Corporation (Cedar Rapids, IA)
    …demands of a rapidly evolving global market. This position is for a motivated Senior Principal Electrical or Computer engineering candidate to be involved in the ... 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: Secret… more
    RTX Corporation (09/11/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Woburn, MA)
    …that create a safer, more secure world. Raytheon is looking for a **Radar Senior Principal Systems Engineer** to support the Missile Defense Sensors (MDS) ... 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 (09/05/25)
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  • Senior Principal Network Engineer

    Northrop Grumman (San Diego, CA)
    …they're making history. Northrop Grumman Aeronautics Systems is looking to add a ** Senior Principal Network Engineer** to our team in **San Diego (Rancho ... approved IAT Level II (or higher) compliant certification** . Examples include: CCNA Security , Security +CE, CCNP, and CISSP. + Experience with airborne networks,… more
    Northrop Grumman (09/05/25)
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  • Senior Principal RF Technical Lead

    RTX Corporation (Tucson, AZ)
    …more secure world. The Surface Based Effector Production Department is searching for a Senior Principal Electrical Engineer for the RF Technical Lead role on a ... 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 (08/19/25)
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  • Senior Principal Engineer…

    GE Aerospace (Niskayuna, NY)
    **Job Description Summary** The Senior Principal Engineer (SPE) for Electrical Systems shall be recognized as a technical expert and leader who has ... role requires the individual to able to obtain and maintain US Government Security Clearance; prerequisite for a security clearance is **U.S. citizenship** .… more
    GE Aerospace (08/07/25)
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  • Senior Principal Mission…

    Mission Support and Test Services (Las Vegas, NV)
    …Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). ... Our MISSION is to help ensure the security of the United States and its allies by...performing individual to join our team as a Sr. Principal Mission Communications Specialist (Network). This position is located… more
    Mission Support and Test Services (09/06/25)
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