• Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …years of experience in network engineering, administration, or related IT roles. + Clearance: TS / SCI , CI Poly + Required Skills: + Experience with network ... Network Administration & Maintenance: + Monitor network performance, availability, and security . + Perform routine maintenance, updates, and patches for network… more
    Infinity Systems Engineering (12/17/25)
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  • Access Control Specialist

    ManTech (Stafford, VA)
    …and physical securityequipment **Clearance Requirement:** + Must have an active / current TS / SCI security clearance **Physical Requirements:** + Must be able ... Warfighting Laboratory (MCWL) contract in **Stafford, VA.** This role supports security functions in sensitive environments and access control administration.… more
    ManTech (12/17/25)
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  • Cleared Palo Alto Citrix Engineer

    Virtual Service Operations (Portsmouth, VA)
    …+ Experience in securing application delivery environments, network segmentation, and implementing VPN security . + TS / SCI security clearance is required. ... This role focuses on Citrix virtualization technologies while integrating Palo Alto security solutions to enhance network security , application delivery, and… more
    Virtual Service Operations (12/14/25)
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  • Senior System Administrator (2nd Shift Weekends)

    RTX Corporation (Springfield, VA)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI with Poly - Current At Raytheon, the foundation ... agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the… more
    RTX Corporation (12/14/25)
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  • Tier One Site Operator (2nd Shift)

    RTX Corporation (Springfield, VA)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI with Poly - Current At Raytheon, the foundation ... agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the… more
    RTX Corporation (12/14/25)
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  • Cyber Network Engineer

    Leidos (Lorton, VA)
    …and experience may be considered in lieu of a degree. ​ + US Citizen, An active TS / SCI security clearance is required. + 5-8+ years of hands-on experience as ... contracted mission. In this mission we support the Department of Homeland Security to deliver cybersecurity and information assurance services. **Primary… more
    Leidos (12/11/25)
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  • Technical Surveillance Countermeasures Practioner

    ManTech (Springfield, VA)
    …DoD CI training academy (ex. FBI Academy, etc.) **Clearance Requirements:** + Must have a TS / SCI with the ability to pass a CI Poly **Physical Requirements:** + ... not limited to:** + Conduct and Ensure Compliance of Technical Security Operations: Lead and execute Technical Surveillance Countermeasures (TSCM), Foreign Visit,… more
    ManTech (12/10/25)
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  • DevSecOps Engineer

    KBR (Chantilly, VA)
    …frameworks and security standards. Security Requirements: Must have an active TS - SCI with a current Poly Belong, Connect and Grow at KBRAt KBR, we ... (ATO) processes + 8570 IAT II compliant certification such as Security + + Certified Information Systems Security Professional (CISSP) + Experience with… more
    KBR (12/09/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …and may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ POLY REQUIRED** **Education:** + 9+ ... engineers, and developers in the identification and implementation of appropriate information security functionality to ensure uniform application of … more
    M. C. Dean (11/28/25)
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  • Systems Engineer 5

    M. C. Dean (Vienna, VA)
    …and must meet eligibility requirements, including US Citizenship, for access to classified information ; **active** **DoD TS / SCI w/ polygraph clearance is ... secure and reliable solutions that meet all organizational Cybersecurity and Information Assurance requirements. + Experience performing security scans,… more
    M. C. Dean (11/26/25)
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