• Vulnerability Researcher: Senior Levels…

    Cipher Tech Solutions (Vienna, VA)
    …+ MUST be a US citizen + Must hold a US government security clearance at the TS Level or higher at time of application + Must hold a Bachelor's degree or higher in ... system emulation for research and analysis + Understanding of network protocols + Experience reading and writing assembly (ARM,...of analyzing malicious code. The goal of a reverse engineer is to understand how the malicious code works… more
    Cipher Tech Solutions (11/21/25)
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  • Systems Engineer - Senior

    Noblis (Chantilly, VA)
    …least 4 years working in Top Secret environments. + **Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information ... + Enterprise network administration and security for Top Secret enclaves + Cloud platforms (AWS...scheduling to support critical operations in Top Secret environments. \#FundedPosition Desired Qualifications + Active TS… more
    Noblis (11/20/25)
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  • Network Modeling and Simulation Technician

    CACI International (Sterling, VA)
    …Continental US * * * **The Opportunity** : We are seeking an experienced Network Modeling and Simulation Engineer to join our team. The successful candidate ... Network Modeling and Simulation Technician Job Category: Information...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (10/23/25)
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  • SURTASS Technician Crewmembers OM Technician

    Serco (Virginia Beach, VA)
    …Clearance which requires US Citizenship and have the ability to be upgraded to a Top Secret / with SCI eligibly. + A valid driver's license and US passport ... Technician, Underwater Systems Technician, Network Systems Electrician, Network Systems Administrator, Network Systems Engineer...range for this position can be found at the top of the posting. This range is provided as… more
    Serco (09/21/25)
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  • Systems Administrator II Generalist Sr (Windows…

    V2X (Springfield, VA)
    …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 Counterintelligence ... shall work closely with the activity's Senior Systems Administrator, Network Engineer as well as the IT...The position requires US Citizenship and an active DoD Top Secret with SCI clearance and the… more
    V2X (11/15/25)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …an impact on every client you work with. ARSIEM is looking for a motivated Network Engineer to implement, maintain, and support the lab network ... : Must have an active Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability. Candidate Referral : Do you know someone… more
    ARSIEM (11/12/25)
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  • Senior Systems Engineer

    Amentum (Norfolk, VA)
    …Information Technology, or a related field is required. + Must have an Active Top Secret /SCI US Government Clearance. Note: US Citizenship is required to ... Amentum is seeking a Senior Systems Engineer for a contract pending award to provide...maintain a Top Secret /SCI Clearance. **Desired Experience/Qualifications:** + Master's… more
    Amentum (11/20/25)
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  • Senior DevOps Engineer

    Noblis (Chantilly, VA)
    …+ Minimum of 5 years of experience in DevOps or related field + **Active Top Secret ( TS ) clearance with eligibility for Sensitive Compartmented Information ... Responsibilities As a Senior DevOps Engineer , you will be responsible for the design,...Train (ART) activities + Support the multi-enclave environment (Unclassified, Secret , and Top Secret ) +… more
    Noblis (11/20/25)
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  • Chief Engineer Innovation Lead

    Huntington Ingalls Industries (Reston, VA)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $134,601.00 - $200,000.00 Security Clearance: Top Secret Level of Experience: Senior This opportunity resides ... business and/or expand business with existing customers Minimum Qualifications + Active Top Secret security clearance; must meet eligibility requirements for… more
    Huntington Ingalls Industries (11/09/25)
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  • Principal Infrastructure Lead Engineer…

    RTX Corporation (Dulles, VA)
    …as only US citizens are eligible for a security clearance **Security Clearance:** Top Secret - Current **Raytheon Company, Managed by Collins Aerospace** Collins ... global market. We have an immediate need for an **Principal** **Infrastructure Lead Engineer - Classified System** to lead and guide a small team of infrastructure… more
    RTX Corporation (11/04/25)
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