• Principal Systems Engineer, Systems

    RTX Corporation (Tucson, AZ)
    …provide team status, accomplishments, issues, and help needed. + You will develop system and subsystem requirements for complex systems by collaborating with ... Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, as only US citizens… more
    RTX Corporation (01/10/26)
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  • HWIL Principal Systems Integrator - P4

    RTX Corporation (Tucson, AZ)
    …Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, as only US citizens ... world. Raytheon is seeking a Hardware in the Loop (HWIL) Principal Systems Integrator. The role requires experience troubleshooting and integrating various … more
    RTX Corporation (01/10/26)
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  • Lead, Thermal Mechanical Engineer (Space…

    L3Harris (Wilmington, MA)
    …leader across multidisciplinary teams of engineers to create the best overall system design including thermal design, analysis, and test of optical systems ... of aerospace thermal engineering technology and payload architectures for spacecraft sub- systems and instruments. These talents are used to direct and oversee… more
    L3Harris (01/10/26)
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  • Senior Systems Engineer - Modeling…

    RTX Corporation (Tewksbury, MA)
    …Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, as only US citizens ... problems that create a safer, more secure world. Integrated Air & Missile Defense Systems (IAMDS) department is seeking a **Senior Systems Engineer (Modeling &… more
    RTX Corporation (12/30/25)
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  • Specialist, Optical Engineer (Space Optical…

    L3Harris (Wilmington, MA)
    …and testing + Perform detailed inspection of optical components to maintain system integrity + Participate in systems trade studies, vendor assessments ... Qualifications: + Bachelor's Degree and minimum 4 years of prior relevant experience. Graduate Degree and a minimum of...role + Experience with high power laser components and systems . + Knowledge of code path optical system more
    L3Harris (11/22/25)
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  • Senior Specialist, Information Security…

    L3Harris (Palm Bay, FL)
    …and technologies to the architecture, design, development, evaluation and integration of systems and networks to maintain system security. Works closely with ... that will allow for the security authorization of the system of interest. Works with systems developers...Education + Bachelor's Degree and minimum 6 years of prior relevant experience. + Graduate Degree and a minimum… more
    L3Harris (10/26/25)
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  • Scientist, Systems Engineer - Ashburn/Palm…

    L3Harris (Ashburn, VA)
    …of the customer during program reviews. This role requires experience in systems engineering, system architecture development, strong technical skills over ... * Leads and coordinates various analyses to optimize total system of systems and/or system ...Bachelor's Degree and a minimum of 12 years of prior relevant experience. Graduate Degree and a minimum of… more
    L3Harris (10/26/25)
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  • Senior Windows Systems Administrator

    Leidos (Arlington, VA)
    **Description** The Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the Air Force National Capital (AFNCR) ... file shares management & Windows DFS Shares. + Implement and maintain robust system hardening techniques using security compliance tools such as Evaluate STIG, SCAP,… more
    Leidos (01/07/26)
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  • Sr. Decision Support & Analytics Analyst…

    Queen's Health System (Honolulu, HI)
    …Support & Analytics systems , as assigned. * Serves as the lead System Administrator for the Activity Based Costing system , overseeing the development and ... implementation of processes and documentation, system reconciliations, and release upgrades. * Proactively identifies and implements financial performance… more
    Queen's Health System (12/09/25)
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  • Senior Principal Systems Architect - Secure…

    RTX Corporation (Cedar Rapids, IA)
    …Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, as only US citizens ... demanding needs. The Secure Subsystems Engineering team seeks a Systems Architect with a passion for innovation and the...Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience _or_ an Advanced Degree in a… more
    RTX Corporation (01/12/26)
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