• Information Systems Security Engineer

    Koniag Government Services (Washington, DC)
    Kadiak, LLC, a Koniag Government Services company, is seeking an Information Systems Security Engineer (ISSE) with Top Secret security clearance to support ... Framework (RMF) for DoD Information Technology (IT) **Clearance Requirement:** + Requires Top Secret Security Clearance with ability to obtain and maintain… more
    Koniag Government Services (12/10/25)
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  • Senior Mechanical Engineer - Electronics…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Job Description Collins Aerospace, an RTX company, is a ... team is seeking a highly motivated Senior Level Mechanical Engineer that is passionate about the development of electronics...+ Active possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (12/09/25)
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  • Project Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …requirements management, system design, integration + The ability to obtain and maintain a Top Secret US Security Clearance is required + **Domain Knowledge:** + ... We are seeking a highly skilled Project Engineer with expertise in sensor systems to support...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/20/25)
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  • Product Support Engineer III - Deploy Only

    Sierra Nevada Company, LLC (Shalimar, FL)
    …CONUS off rotation to perform Training, Medical, and Certification renewals + An active Top Secret with SCI eligibility US Security Clearance is required + US ... more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security… more
    Sierra Nevada Company, LLC (11/18/25)
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  • Electronics Engineer III, Secret

    Lockheed Martin (King Of Prussia, PA)
    …DOE "L" or higher clearance\. * Willing and able to obtain and maintain a DoD Top Secret clearance\. We need you to be a US\-born citizen\. **Desired Skills:** * ... **Description:** As an Electronics Engineer in King of Prussia, PA you will...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (10/25/25)
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  • Theater Engineer

    Paragon Cyber Solutions (Colorado Springs, CO)
    …Command (USSTRATCOM) and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility Travel Required: Yes ... for an exciting and dynamic career as a Theater Engineer to join other smart, talented, and dedicated engineers...currently have and be able to maintain a DoD Top Secret Security Clearance with SCI Eligibility… more
    Paragon Cyber Solutions (10/22/25)
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  • Principal/Sr. Principal Infrared/IR Survivability…

    Northrop Grumman (Redondo Beach, CA)
    …in project and/or supply-chain management. + A current active US Government in-scope DoD Top Secret security clearance, with the ability to obtain and maintain ... Engineers** to work on exciting and challenging projects. **We need your help to engineer at the edge of the impossible!** **We would like you to bring your… more
    Northrop Grumman (10/30/25)
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  • Sr Project Engineer - Integrated Digital…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …in setting up server rooms + **The ability to obtain and maintain a Top Secret US Security Clearance is required** **Qualifications We Prefer:** + Experience ... to avionics and embedded systems. You will represent the Software Engineering discipline at the program's management level meetings....position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/25/25)
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  • Systems Engineer (MBSE) or Principal…

    Northrop Grumman (Redondo Beach, CA)
    …start. **Preferred Qualifications for Systems Engineer (MBSE) or Principal Systems Engineer (MBSE):** + Current Active DoD TS /SCI with Polygraph + ... Northrop Grumman Microelectronics Center (NGMC) (https://www.northropgrumman.com/what-we-do/mission-solutions/microelectronics) is seeking **Systems Engineer (MBSE) or Principal Systems Engineer (MBSE).**… more
    Northrop Grumman (11/25/25)
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  • Information Assurance Engineer 3

    Huntington Ingalls Industries (Bremerton, WA)
    …Time/Salaried/Exempt Anticipated Salary Range: $93,142.00 - $133,060.00 Security Clearance: TS /SCI Level of Experience: Mid This opportunity resides with Warfare ... threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive… more
    Huntington Ingalls Industries (10/11/25)
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