• Modeling & Simulation Engineer (Senior I)

    KBR (Reston, VA)
    …+ Proficiency in C++, Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information (SCI) eligibility Desired: + ... Title: Modeling & Simulation Engineer (Senior I) Belong. Connect. Grow. with KBR!...(Senior I) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (10/22/25)
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  • Senior Specialist, Systems Engineer

    L3Harris (Springfield, VA)
    …lieu of a degree, minimum of 8 years of prior related experience. + Active Top Secret /SCI with Poly clearance required. + 2+ years' experience with Joint ... sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Engineer - Strategic Planner (TS/SCI w/ CI Poly Required) Job… more
    L3Harris (10/16/25)
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  • Lab Support Services Engineer - TS/SCI

    General Dynamics Information Technology (Herndon, VA)
    …RQ208836 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... virtual infrastructure needs. Our work depends on a Lab Engineer joining our team to support Government activities in...for daily operations, maintenance, data center design, and the security of lab environments that mirror production. In this… more
    General Dynamics Information Technology (10/14/25)
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  • Cloud Data and AI Engineer , Google Public…

    Google (Reston, VA)
    …+ Experience with database and AI integrations. + Must possess an active Top Secret /SCI security clearance with current polygraph. **Preferred ... models (LLMs). **About the job** As a Cloud Data and AI Engineer , you'll guide National Security customers to develop, configure and deploy their data and AI… more
    Google (10/07/25)
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  • Radar Research Engineer

    KBR (Chantilly, VA)
    …+ Working Hours: Standard 40 hours per week. Qualifications: Required: + Clearance: Top Secret /SCI + Education: Pursuing Bachelor's, Master's, or PhD in Physical ... Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology...security . KBR is looking for a Radar Research Engineer to join our team in Chantilly, Virginia. In… more
    KBR (10/04/25)
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  • DevOps Engineer (TS/SCI)

    General Dynamics Information Technology (Virginia Beach, VA)
    …RQ207310 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Development,DevOps,GitHub,Software Development **Certifications:** Linux+ Certified - CompTIA - CompTIA, Security + - CompTIA - CompTIA **Experience:** 5 + years… more
    General Dynamics Information Technology (09/19/25)
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  • Quality Assurance Engineer

    Leidos (Lorton, VA)
    …(TPB) for the program as applicable. **Basic Qualifications:** + US Citizen with at least a Top Secret clearance and the ability to obtain a SCI prior to your ... Multi Domain Solutions Division at Leidos is looking for a **Quality Assurance Engineer ** to support a fast-paced program with the Air Force Life Cycle Management… more
    Leidos (09/17/25)
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  • System Development Engineer II, Aperture

    Amazon (Herndon, VA)
    …such as C++, C#, Java, Python, Golang, PowerShell, Ruby - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above ... expectations. We are looking for a skilled Systems Development Engineer to join our team in Virginia. In this...selected must currently possess and maintain an active TS/SCI security clearance. The position further requires that, after start,… more
    Amazon (09/11/25)
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  • Specialist, Integration/Test Engineer

    L3Harris (Ashburn, VA)
    …In lieu of a degree, a minimum of 8 years of prior related experience. + Top Secret or TS/SCI Clearance. + 4+ years' experience Working knowledge of Unmanned ... land, sea and cyber domains in the interest of national security . Job Title: Specialist, Integration/Test Engineer Job Code: 27899 Job Location : Ashburn, VA Job… more
    L3Harris (08/30/25)
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  • Cyber Operations Engineer

    CACI International (Chantilly, VA)
    …briefings across the client's organization **Qualifications:** _Required:_ * Active Top Secret /Sensitive Compartmented Information (TS/SCI) clearance, with ... Cyber Operations Engineer Job Category: Engineering Time Type: Full time...programs with peers who are dedicated to advancing national security . Participate in fun team outings and team building… more
    CACI International (08/08/25)
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