• Windows System Administrator

    Choisys Technology (Crystal City, VA)
    …Preferred Worksite:Hybrid (Crystal City, VA) We are seeking a highly qualifiedWindows System Administratorto provide expert systems engineering support to our ... operating systems (Windows), ITSM/monitoring tools, and related specialty systems . + Lead system lifecycle engineering efforts-architecting, implementing,… more
    Choisys Technology (07/31/25)
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  • System Administrator-Senior Level

    Nightwing (Sterling, VA)
    …of IT systems + Coordinate and manage IT projects, including system upgrades, and network improvements ensuring projects are delivered on time + Implement ... and monitor cybersecurity measures, ensuring that all IT ...requirements + Experience with administering and managing user and system accounts on Linux distributions + Ability to manage… more
    Nightwing (06/27/25)
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  • Systems Administrator

    Leidos (Springfield, VA)
    …ensuring alignment with functional specifications and organizational best practices. + Monitor system performance, analyze logs, and troubleshoot anomalies to ... of IT systems and associated hardware. + Strong understanding of system infrastructure management and IT best practices. + Hands-on experience with: System… more
    Leidos (08/02/25)
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  • Project Systems Engineer

    Kratos Defense & Security Solutions, Inc. (Herndon, VA)
    …issues with configuration of system hardware, software, networks, operating and system management systems + Design and run system load/stress ... Satellite Monitor & Control, RF Communications, Virtualization of Satellite Ground System or systems engineering + Basic understanding of software networks… more
    Kratos Defense & Security Solutions, Inc. (06/18/25)
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  • Lead Information Systems Cyber Engineer

    The MITRE Corporation (Mclean, VA)
    …official so that insider threat awareness is addressed in the contractor's information system security program. + Develop, document, and monitor compliance of ... Security Services Division (R300) is looking to fill a Senior Information Systems Cyber Engineer position, with a focus on classified environments. The selected… more
    The MITRE Corporation (06/10/25)
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  • Information Systems Security Engineer…

    KaylaTek, Inc. (Arlington, VA)
    …(HBSS/ESS), and associated Windows and Red Hat Linux servers. o Proactively monitor system performance, identify bottlenecks, and implement solutions to ensure ... requiring expertise in system administration, security tool management, and system hardening. A deep understanding of operating systems , security tools,… more
    KaylaTek, Inc. (06/05/25)
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  • System Technologist - LMR Codeplug SME

    CACI International (VA)
    …& maintain a P25 simulcast conventional and trunking public safety radio communications systems codeplugs * Monitor site status and address discovered issues, ... System Technologist - LMR Codeplug SME Job Category:...matter Wireless and Network Engineering (ie, simple to complex systems ). Assists other project members with analysis and evaluation… more
    CACI International (06/17/25)
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  • NMCC Information Systems Security Engineer

    TekSynap (Arlington, VA)
    …(HBSS/ESS), and associated Windows and Red Hat Linux servers. + Proactively monitor system performance, identify bottlenecks, and implement solutions to ensure ... into systems deployed to operational environments, validating and verifying system security requirements, and establishing system security designs for… more
    TekSynap (06/18/25)
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  • System Reliability Engineer

    CACI International (Norfolk, VA)
    …Develop and implement automation solutions for deployment, scaling, and management of NMMES systems + Monitor system performance, availability, and capacity, ... System Reliability Engineer Job Category: Information Technology Time...in ensuring the reliability, performance, and scalability of IT systems supporting naval ship and submarine maintenance operations +… more
    CACI International (07/09/25)
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  • Senior Information System Security Engineer…

    Amentum (Warrenton, VA)
    …requirements using intimate knowledge of security design best practices for information systems . throughout the system development life cycle to support the ... components (ePolicy Orchestrator, Trellix Agent, Data Loss Prevention, Host Intrusion Prevention System , Policy Auditor, Asset Baseline Monitor , and Virus Scan… more
    Amentum (07/29/25)
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