• Civil Engineer - Top Secret…

    Leidos (Reston, VA)
    …Requirement:** + US Citizenship is required + All candidates for consideration must possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and ... **Description** Leidos has several openings for a Civil Engineer in Reston, Virginia. The primary focus of the group is reverse engineering Weapons of Mass… more
    Leidos (10/09/25)
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  • Systems Engineer - Mid

    Amentum (Washington, DC)
    …direct impact on the Nation's security and intelligence mission. Amentum is searching for a Top -Secret cleared Systems Engineer (Mid) to join our team in ... If so, look no further. Amentum is seeking a ** Systems Engineer MID** to join our team...experience needed to perform at this level. **Requirements:** * Active Top Secret clearance with SCI eligibility… more
    Amentum (11/26/25)
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  • Electromagnetic Environmental Effects (E3)…

    Lockheed Martin (Littleton, CO)
    …applicable test methods * Expertise in Electromagnetic Compatibility \(EMC\) theory * Active or Current Top Secret security clearance; US Citizenship Required ... ensuring security and prosperity\. As an Electromagnetic Engineering Effects \(E3\) Engineer , you will support the System Engineering \(SE\) Special Disciplines… more
    Lockheed Martin (12/04/25)
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  • Principal / Senior Principal Embedded…

    Northrop Grumman (Baltimore, MD)
    …degrees in Science, Technology, Engineering or Mathematics or related technical fields. + Active Top Secret Clearance or higher. + Experience with Hardware ... work of your career. We are looking for a Principal / Senior Principal Embedded Systems Security Engineer to join our team in Baltimore, MD. This position… more
    Northrop Grumman (12/13/25)
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  • Sentinel - Principal/ Sr. Principal Systems

    Northrop Grumman (Roy, UT)
    …to obtain a US Government DoD Top Secret security clearance. + **Sr. Principal Systems Engineer -** BS degree in STEM with 8 Years of related systems ... Grumman Defense Systems is seeking a **Principal Systems Engineer /Sr. Principal Systems ...PhD + Must be a US Citizen with an active DoD Secret Clearance with an investigation date within… more
    Northrop Grumman (10/31/25)
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  • Sentinel - Systems Engineer

    Northrop Grumman (Huntsville, AL)
    …maintaining system performance documentation **PREFERRED QUALIFICATIONS:** + Active DoD Top Secret Clearance + Understanding of the Systems Engineering ... Defense Systems is seeking to hire a Systems Engineer (Level 2 or Level 3)...degree + Must be a US Citizen with an Active DoD Secret Clearance with an investigation date within… more
    Northrop Grumman (12/12/25)
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  • Assistant Information Systems

    City and County of San Francisco (San Francisco, CA)
    …qualifications. Application Deadline: Continuous How to Apply: Applications for Assistant Information Systems Engineer - Systems Specialty are only accepted ... begin the application process. Select "Apply Now" at the top of the job ad and follow instructions on...an enterprise networking backbone or platform. The 1041 Assistant Systems Engineer is the entry level in… more
    City and County of San Francisco (11/07/25)
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  • Principal / Senior Principal Modeling Simulation…

    Northrop Grumman (Baltimore, MD)
    …to join our team as a Principal / Senior Principal Modeling, Simulation & Analysis Systems Engineer based out of Baltimore, MD and will require 100% on-site ... be filled as a Principal Modeling, Simulation & Analysis Systems Engineer or a Senior Principal Modeling,...analytical modeling approaches using MATLAB environment. **Preferred Qualifications:** + Active Top Secret DoD Clearance or higher.… more
    Northrop Grumman (10/14/25)
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  • Principal / Senior Principal Modeling & Simulation…

    Northrop Grumman (Linthicum Heights, MD)
    …of your career. We are looking for a Principal / Senior Modeling & Simulation Systems Engineer to join our team in Baltimore, MD. This position requires 100% ... may be filled as a Principal Modeling & Simulation Systems Engineer or a Senior Principal Modeling...Technology, Engineering or Mathematics or related technical fields. + Active Top Secret Clearance or higher. +… more
    Northrop Grumman (10/09/25)
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  • Systems Engineer - Subject Matter…

    Noblis (Chantilly, VA)
    Responsibilities As a Systems Engineer SME, you will provide... engineering with at least 4 years working in Top Secret environments. + Active Top ... additions and changes to network hardware, infrastructure server environments, and operating systems with special emphasis on Top Secret classification enclaves.… more
    Noblis (12/03/25)
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