• Darpa SETA Surface and Subsurface Engineer

    Amentum (Arlington, VA)
    …engineering processes and procedures. + Must be able to obtain and maintain a Secret and TS / SCI US Government Clearance.Note: US Citizenship is required ... and program management support services to some of the top agencies in the US government, including the Defense...to obtain a Secret and TS / SCI Clearance **Desired… more
    Amentum (12/10/25)
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  • Systems Development Engineer I, AWS ADC…

    Amazon (Herndon, VA)
    …requires that, after start, the selected candidate obtain and maintain an active TS / SCI security clearance with polygraph or commensurate clearance for ... Storage Services team is hiring a cleared Systems Development Engineer to join the team. This is an exciting...candidate selected must currently possess and maintain an active TS / SCI with polygraph security clearance.… more
    Amazon (01/02/26)
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  • Machine Learning Engineer

    William C Brown Inc (Springfield, VA)
    …you will help ensure today is safe and tomorrow is smarter. Our work depends on TS / SCI cleared Machine Learning Engineer joining our team to support our ... Machine Learning Engineer EOE Statement We are an equal employment...Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Active TS / SCI Clearance. This position is… more
    William C Brown Inc (12/15/25)
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  • Cloud Cybersecurity Subject Matter Expert

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    … CLEARANCE REQUIREMENTS: Must be able to maintain a security clearance at the Top Secret / SCI level. US Citizenship is a requirement for this contract. ... on delivering scalable, high availability solutions while adhering to government mandated security standards. + Design and engineer secure, scalable cloud… more
    UIC Government Services and the Bowhead Family of Companies (12/17/25)
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  • Systems Development Engineer II, AWS…

    Amazon (Herndon, VA)
    …requires that, after start, the selected candidate obtain and maintain an active TS / SCI security clearance with polygraph or commensurate clearance for ... Commerce Platform team is hiring a cleared Systems Development Engineer to join the team. This is an exciting...candidate selected must currently possess and maintain an active TS / SCI with polygraph security clearance.… more
    Amazon (11/13/25)
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  • Enterprise Systems Engineer

    CACI International (Hampton, VA)
    …useful for developers and design engineers. **Qualifications:** _Required:_ + Current and active TS / SCI security clearance. + Must have the necessary ... Type of Travel: Continental US * * * **The Opportunity:** CACI is seeking a TS / SCI cleared Enterprise Systems Engineer to join our Enterprise Product Support… more
    CACI International (11/18/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    …status or any other characteristic protected by law. Description Our work depends on a TS / SCI cleared Linux Systems Engineer joining our team to support our ... Linux Systems Engineer EOE Statement We are an equal employment...Full-Time Exempt/Non-Exempt Exempt Security Clearance Requirements Active TS / SCI Clearance and eligibility to… more
    William C Brown Inc (12/25/25)
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  • Data Analyst and Visualization Engineer

    CACI International (Reston, VA)
    …best practices **You'll Bring These Qualifications:** _Required:_ + Must possess an active TS / SCI security clearance with ability to obtain a polygraph ... Data Analyst and Visualization Engineer Job Category: Information Technology Time...relational databases + Proficient understanding of data governance and security best practices **_Desired:_** + TS / SCI more
    CACI International (12/24/25)
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  • Systems Administrator II Generalist Sr (Windows…

    V2X (Springfield, VA)
    …Springfield, VA . The position is required to be onsite. The position requires an active Top Secret / SCI clearance and the ability to obtain and maintain a ... secure processing environments which must adhere to US Government Information Assurance and Security standards such as...The position requires US Citizenship and an active DoD Top Secret with SCI clearance… more
    V2X (11/15/25)
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  • Nuclear Engineer , Lead

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    … investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz Allen, ... Nuclear Engineer , Lead Key Role: Provide nuclear weapons effects...physics, computational science, or fission reactor engineering + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (12/19/25)
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