• MBSE Modeling and Simulation Engineer

    Leidos (Dayton, OH)
    …is hiring a **Model Based Systems Engineer (MBSE) Modeling and Simulation Engineer ** with an ** active DoD TS /SCI clearance** to support the National ... engineered system simulations of space and air vehicles. **Basic Qualifications:** + Active TS /SCI security clearance. + Bachelor's degree in related field… more
    Leidos (12/19/25)
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  • System Development Engineer , Platform…

    Amazon (Arlington, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires ... a start-up. This is an opportunity to operate and engineer systems on a massive scale, and...such as Java, Python, Golang, PowerShell, Ruby - Current, active US Government Security Clearance of TS /SCI… more
    Amazon (12/17/25)
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  • System Engineer Support Level 2

    DCCA (Annapolis Junction, MD)
    …our website at: www.dcca.com System Engineer Support Level 2 Candidate must have an active TS /SCI w/Poly For over 40 years, DCCA has provided a broad range ... DCCA is looking to staff a junior- to mid-Level Systems Engineer position to support a new,...mission-critical work. This is a growing, high-profile program. Current, active TS /SCI clearance with poly required. DCCA's… more
    DCCA (11/17/25)
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  • Senior Systems Engineer

    Leidos (Reston, VA)
    …driver's license; Proficiency in Microsoft Office applications (Word, PowerPoint, Excel). + Active TS /SCI w-Polygraph. The candidate may be required to travel ... **Description** **Leidos** has a new and exciting opportunity for a **Senior-level Engineer ** in our **Intel Sector Analysis Solutions Business Area (ASBA)** . Our… more
    Leidos (01/09/26)
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  • Systems Engineer

    BigBear.ai (Laurel, MD)
    …Xilinx tools. What you need to have + Clearance - Must possess and maintain an active TS /SI with a Poly clearance + Education - Bachelor's degree in System ... Overview BigBear.ai is seeking a an experienced System Engineer with knowledge of field-programmable gate arrays (FPGAs)....Engineering, Computer Science, Information Systems , Engineering Science, Engineering Management, or related discipline from… more
    BigBear.ai (12/02/25)
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  • GEOINT Systems Engineer Staff

    Solvarus (Chantilly, VA)
    …10-13 years with MS/MA or 10+ years with PhD. + Current and Active TS /SCI w/ Polygraph. + Bachelor's degree in Systems Engineering or in related technical or ... these challenges. As a Solvarus team member, you will serve as a Systems Engineer providing end-to-end Systems Engineering and Integration (SE&I) services to… more
    Solvarus (12/14/25)
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  • Systems Engineer

    ManTech (Stafford, VA)
    MANTECH seeks a motivated and enthusiastic Systems Engineer to support our current Marine Corps Warfighting Laboratory (MCWL) contract out of Quantico, VA. ... but are not limited to:** + Prepare and/or lead Systems Engineering Technical Reviews (SETRs) such as Preliminary Design...with MIL-STD 882E **Clearance Requirement:** + Must have a current/ active Secret security clearance with the ability… more
    ManTech (12/06/25)
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  • Senior Systems Engineer , Level 3…

    Lockheed Martin (Littleton, CO)
    …courage to dream big, then we want to build a better tomorrow with you\. As a Systems Engineer , you will be part of the System Engineering team within the MOATS ... of evolutionary capability improvements\. Your responsibilities will include: * Providing Systems Engineering leadership and oversight to the maintenance of the end… more
    Lockheed Martin (11/14/25)
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  • ADC Windows Client Engineer , Region…

    Amazon (Herndon, VA)
    …Services Corporate Infrastructure (RSCI) is looking for an experienced Windows Systems Engineer with a deep knowledge of Windows Active Directory and desktop ... a US Citizen and currently possess and maintain an active TS /SCI security clearance with polygraph. The...work. 10012 Key job responsibilities - Manage/Operate and Maintain Active Directory and component systems (DNS, DHCP,… more
    Amazon (01/16/26)
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  • Senior Cyber Capability Developer

    Innovative Management & Technology Services (Clarksburg, WV)
    …overflows, injection flaws). + Experience with multiple programming and scripting languages. + Active Top Secret clearance is required. + US Citizenship ... Capability Developer Primary Location: Clarksburg, WV - Hybrid Clearance: Top - Secret ( TS ) Position Summary: Are...) Position Summary: Are you passionate about defending critical systems from emerging cyber threats. As a Senior Reverse… more
    Innovative Management & Technology Services (10/29/25)
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