• Modeling and Simulation Engineer

    KBR (Chantilly, VA)
    …and/or requirements + Experience support wargames and exercises Security Requirements: Active Top Secret clearance and eligible for SCI. Current TS/SCI ... Title: Modeling and Simulation Engineer KBR is seeking a highly qualified Modeling...perform analysis support modeling and simulation of complex space systems . Analysis and Modeling & Simulation actives will support… more
    KBR (09/02/25)
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  • Simulation Engineer - TS/SCI Required

    Leidos (Reston, VA)
    …Clearance, Skills, and Experience:** + Candidate MUST possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain ... Area at Leidos has an opening for a Simulation Engineer in Reston, Virginia. The primary focus of the...their interactions and to uncover vulnerabilities. Simulation types include: system of systems simulations, distributed simulations, and… more
    Leidos (09/26/25)
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  • Mobility Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …RQ209111 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... 5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Systems Engineer Job Description + Contributes to completion of milestones… more
    General Dynamics Information Technology (10/22/25)
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  • ADC Engineer , Region Services - Aperture…

    Amazon (Herndon, VA)
    …and self-directed qualities, and be a great team player. If you're a customer-focused Systems Engineer who would like to contribute to a critical success story, ... AWS? Amazon Web Services (AWS) is seeking an ADC Engineer to take the lead of solving some of...field. - Current, active US Government Security Clearance of Top Secret or above Preferred Qualifications -… more
    Amazon (10/13/25)
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  • Satellite Mission Operations Engineer

    SAIC (Chantilly, VA)
    …$7.1 billion. For more information, visit saic.com. SAIC is looking for an Operations System Engineer to support a very dynamic and innovative space program in ... great team, apply today. This position requires an active Top Secret /SCI clearance with Polygraph. Responsible for...are being used to inform acquisition decisions for future systems as well as the development of future CONOPS.… more
    SAIC (10/04/25)
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  • Software Engineer II - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …security screenings: + The successful candidate must have an active US Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) ... Microsoft has an exciting opportunity for a Software Engineer II in the Cloud+Artificial intelligence (AI) Silver...external customers in highly secured and regulated industries. The systems and software you build will be required to… more
    Microsoft Corporation (10/25/25)
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  • Cleared - AI/ML Modeler/ Engineer (All…

    Noblis (Mclean, VA)
    …is seeking a Cleared AI/ML Modeler/ Engineer (All Levels) with IC experience and ACTIVE Top Secret with SCI and Polygraph in Bethesda, MD and McLean, VA** The ... AI/ML Modeler/ Engineer will be responsible for and not limited to:...model performance. + US Citizenship is required. + Active Top Secret /SCI clearance with Polygraph. **Multiple levels… more
    Noblis (08/28/25)
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  • VDI | Software Virtualization Engineer

    General Dynamics Information Technology (Springfield, VA)
    …RQ197101 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Description:** Transform technology into opportunity as a Software Virtualization Engineer with GDIT. A career in enterprise IT means...career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at… more
    General Dynamics Information Technology (09/23/25)
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  • VMWare Engineer - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …RQ208146 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... for the future. Our work depends on a VMware Engineer joining our team to support Government activities in... requirements specifications + Incorporates new plans, designs and systems into ongoing operations + Develops system … more
    General Dynamics Information Technology (10/15/25)
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  • Data Engineer

    General Dynamics Information Technology (Mclean, VA)
    …RQ200909 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... related experience **US Citizenship Required:** Yes **Job Description:** The Data Engineer Team Lead will provide technical leadership towards prioritizing and… more
    General Dynamics Information Technology (09/09/25)
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