• System Operations/Administrator

    Sciolex Corporation (Chantilly, VA)
    …Directory. Deploy software updates, patches, and security fixes to desktop systems . Conduct regular system backups and data recovery operations. Maintain and ... assistance to end-users for hardware, software, and network-related issues. Monitor system performance and security , ensuring compliance with organizational… more
    Sciolex Corporation (01/13/26)
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  • Security Officer - Flex Armed Site

    Allied Universal (Fredericksburg, VA)
    …and incidents as required by site protocols. + Operate communication devices and/or security systems as needed to support security -related operations. ... Allied Universal(R), North America's leading security and facility services company, offers rewarding careers...is preferred. + Experience with access control or badge systems is preferred. + Comfort using a computer or… more
    Allied Universal (01/10/26)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …Active Secret security clearance (Tier 5) + Bachelor of Science in Information Systems , Information Technology, Computer Science, or Computer Engineering ... across hardware, software, and network components. + Conduct STIG implementation to ensure systems meet DoD security compliance standards. + Configure and manage… more
    TekSynap (12/30/25)
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  • Linux System Administrator

    Nightwing (Arlington, VA)
    … for acceptable performance and user accessibility, establish back-ups, and monitor systems security . - Troubleshoot and resolve complex storage problems across ... Windows, MacOS. **Required Education:** BS Computer Science, Computer Engineering, Computer Information Systems , Computer Systems Engineering or related… more
    Nightwing (11/26/25)
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  • Print System Administrator

    SAIC (Quantico, VA)
    …DCSA is the designated oversight authority on the accreditation of classified facilities, information systems , and the insider threat program. This involves ... **Description** SAIC is seeking a Printer/ System Administrator for a full-time/onsite role in Quantico,...in Quantico, VA. **Introduction** Make a difference for national security by joining a team of dedicated IT professionals… more
    SAIC (11/14/25)
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  • Physical Security Specialist (Industrial…

    Huntington Ingalls Industries (Alexandria, VA)
    …in managing complex security projects and implementing large-scale physical security systems . Strong analytical, organizational, and communication skills. * ... related to physical security . Manage contractor and vendor relationships for security -related services and system installations. * Serve as a subject matter… more
    Huntington Ingalls Industries (12/04/25)
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  • Cyber Analyst - ConMon

    Leidos (Alexandria, VA)
    …lifecycle. + Conduct continuous assessments of security controls, perform automated/manual security control monitoring of information systems and provide ... monitoring authorized IT systems (re-authorization and new systems ) throughout their lifecycle for security posture...is $70,000/year** . Responsibilities: + Analyze proposed or actual system changes to determine security impact, and… more
    Leidos (12/30/25)
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  • Senior Cyber Security Engineer

    ManTech (Chantilly, VA)
    …, and virtualized systems . + Strong understanding of Windows and Linux systems , operating system security principles, TCP/IP networking, 802.1x, and core ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Cyber Security Engineer** to join our team in **Chantilly, VA.** This role supports a… more
    ManTech (12/13/25)
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  • Security Officer - Dispatch Desk Specialist

    Allied Universal (Mclean, VA)
    …and communications as required by site procedures. + Assist in monitoring surveillance systems , alarms, and other security -related technology to help to deter ... Allied Universal(R), North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a… more
    Allied Universal (01/15/26)
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  • SIGINT Systems Administrator (Low Band…

    CACI International (Hampton, VA)
    …also provide system administration for assigned infrastructure and establish and maintain system security . You will also apply security patches and ... Systems Administrator (Low Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required...operating system upgrades to ensure the security and integrity of the technical environment, support new… more
    CACI International (12/15/25)
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