• Civil/Industrial Engineer - Senior

    SOS International LLC (Reston, VA)
    Reston, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret /SCI **Company Description** Founded in 1989, SOSi is among the largest private, ... solutions, tested leadership, and trusted results to enable national security missions worldwide. **Job Description** Overview SOSi is seeking...experience within the last 2 years. + Active DoD Top Secret Clearance with SCI and must… more
    SOS International LLC (11/21/25)
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  • BAS Engineer

    Koniag Government Services (Chantilly, VA)
    …safety concerns related to HVAC systems and controls. **Requirements:** + Active Secret Security Clearance with ability to obtain Top Secret + Shall ... seeking a BAS Engineer with a current Secret Clearance and ability to obtain a Top...national origin, age, disability, military/veteran status, marital status, genetic information , or any other factor protected by law. We… more
    Koniag Government Services (10/29/25)
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  • Endpoint Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Endpoint Security Engineer Key Role: Design, deploy, manage, and operationalize enterprise endpoint data protection controls as a Trellix Endpoint Data Loss ... Prevention ( DLP ) Engineer . Serve as the technical owner for Trellix EDR...need to meet eligibility requirements for access to classified information ; TS /SCI clearance is required. Compensation… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... Travel: None * * * **The Opportunity:** **CACI is seeking a talented Cyber Network Security Engineer to join our team in Chantilly, VA. This role will**… more
    CACI International (12/02/25)
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  • Hardware Reverse Engineer

    Parsons Corporation (Centreville, VA)
    …Skills:** + Must have a ** Top Secret or higher security clearance** + BS degree in Computer Science/ Information Sciences or related discipline; ... testing procedures and documentation ** Security Clearance Requirement:** An active Top Secret security clearance is required for this position.​ This… more
    Parsons Corporation (01/08/26)
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  • Junior Hardware Engineer - Pathway…

    Huntington Ingalls Industries (Roanoke, VA)
    …Requirements You will go above and beyond if you + Already possess an active Top Secret security clearance and/or be eligible to obtain a higher-level ... with the ability to obtain and maintain a DoD security clearance ( Secret - Top Secret...know the nature of your request and your contact information . Reasonable accommodations are considered on a case-by-case basis.… more
    Huntington Ingalls Industries (12/20/25)
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  • Cyber Security Implementation…

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular ... and enhance NGA networks and cybersecurity posture in support of national security . Joining the TCS Team means working with truly cutting-edge technologies, on… more
    CACI International (11/14/25)
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  • Amazon Dedicated Cloud Engineer , US Amazon…

    Amazon (Herndon, VA)
    …selected be a US Citizen and must currently possess and maintain an active TS /SCI security clearance with polygraph. Key job responsibilities - Architect and ... and robust architecture for future growth. As an ADC Engineer , you will be responsible for the overall health...Bash, Shell, or equivalent - Current, active US Government Security Clearance of TS /SCI with Polygraph Preferred… more
    Amazon (01/14/26)
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  • Cyber Security Engineer III

    Virtual Service Operations (Arlington, VA)
    Cyber Security Engineer III * Arlington, VA...lieu of degree Requirements + Must possess an active TS /SCI security clearance + Must be within ... the next steps in your career as a Cyber Security Engineer III? Let's chat and see...is actively seeking a talented individual with an active TS /SCI clearance to design and implement cybersecurity architectures that… more
    Virtual Service Operations (12/11/25)
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  • Secure Wireless Engineer

    General Dynamics Information Technology (Springfield, VA)
    …RQ198056 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... network security systems. HOW A CYBER WIRELESS SECURITY ENGINEER WILL MAKE AN IMPACT +...and in-depth experience with Wireless Networks + Areas of information systems security ; including policy; security more
    General Dynamics Information Technology (01/17/26)
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