• Senior Principal Systems Engineer

    Leonardo DRS, Inc. (Beavercreek, OH)
    …and government agencies around the world. **Job Summary** We are seeking a Senior Principal Systems Engineer with expertise in MATLAB, signal processing, and RF ... to delivering world-class, full life-cycle defense and intelligence products that protect the security of our nation and our allies. From air combat training to… more
    Leonardo DRS, Inc. (10/05/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Richardson, TX)
    …Company Managed by Collins Aerospace** Collins Aerospace is looking for a talented ** Principal Systems Engineer ** **with an active TS/SCI clearance** to work ... 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 (12/03/25)
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  • RF Systems Engineer ( Principal

    Mission Support and Test Services (CA)
    …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...NNSS-STL is seeking outstanding candidates for an RF Systems Engineer position to work at STL located in Santa… more
    Mission Support and Test Services (12/09/25)
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  • Senior/ Principal Electronics…

    Sandia National Laboratories (Livermore, CA)
    …National Security missions. We are a leader for high-assurance National Security hardware , utilizing current and advanced electronic hardware approaches, ... Laboratories is the nation?s premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge… more
    Sandia National Laboratories (12/05/25)
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  • Principal Electrical Engineer

    RTX Corporation (Goleta, CA)
    …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 ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...performing simulations, and performing analysis and testing of associated hardware in a laboratory setting. **What You Will Do:**… more
    RTX Corporation (12/10/25)
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  • Principal Cyber Software Engineer

    Northrop Grumman (Tampa, FL)
    …best work of your career. We are looking for you to join our team as a ** Principal Cyber Software Engineer ** based out of **Tampa, FL** . _Note: Due to the ... Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to… more
    Northrop Grumman (10/21/25)
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  • Principal Electrical Engineer

    SAIC (Indianapolis, IN)
    **Description** SAIC is seeking a Principal Electrical Engineer in Indianapolis, IN. **JOB DESCRIPTION:** + Researches, designs, develops, modifies, evaluates ... + Experience with Configuration Management Toolsets for version control of hardware , software, and documentation. DESIRED SKILLS: Not required, but ideal candidate… more
    SAIC (12/04/25)
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  • Principal Electrical Engineer

    Massa Products Corporation (Hingham, MA)
    As a Principal Electrical Engineer , you will play a pivotal role in developing new products and sustaining existing production contracts. This challenging ... circuit design + 4+ years of relevant experience building complex electromechanical hardware /software systems + 4+ years of relevant experience developing API's for… more
    Massa Products Corporation (11/06/25)
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  • Principal Engineer , Systems…

    RTX Corporation (Cedar Rapids, IA)
    … Clearance:** Rockwell Collins Inc. d/b/a Collins Aerospace has an opening for a Principal Engineer , Systems Engineering in Cedar Rapids, IA. Up to one ... and interface definition studies to translate customer requirements into hardware and software specifications. + Ensure the logical and...and 8 years of progressive experience as a Systems Engineer or related role. In the alternative, at least… more
    RTX Corporation (12/16/25)
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  • Engineer Principal - Mission…

    BAE Systems (Broomfield, CO)
    …Other incentives may be available based on position level and/or job specifics. ** Engineer Principal - Mission Operations Systems Engineer ** **117773BR** EEO ... **Job Description** We re seeking a self-motivated systems engineer to join our Systems Operations and Sustainment...Department of Education. + A current, active Top Secret security clearance is required. + Experience in mission operations,… more
    BAE Systems (11/07/25)
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