• System Administrator

    CACI International (Ashburn, VA)
    …installation, implementation, operation, maintenance, and security of Microsoft Windows devices, with increased responsibility for independently managing assigned ... normal scope of work. * Collaborating with cross-functional teams (OIT, Finance, Windows , etc.) to support integrated solutions and ensure alignment across the… more
    CACI International (12/13/25)
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  • Middleware Team lead (Web Software Developer…

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …SW products and operating system configuration in LINUX, UNIX and Windows environments. Once deployed, responsible for maintaining the infrastructure to meet ... IT. b) Three or more years' experience with Application Server architecture in a large enterprise environment. c) Knowledge...RDBMS is a plus. i) Knowledge of UNIX and Windows administrations skills. j) Knowledge of Python and PowerShell… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Systems Engineer IV

    Noblis (Chantilly, VA)
    …and implementing sophisticated additions and changes to network hardware, infrastructure server environments, and operating systems with special emphasis on Top ... implementation of enterprise-grade additions and changes to network hardware, infrastructure server environments, and operating systems in Top Secret environments. +… more
    Noblis (12/22/25)
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  • Senior IAM Administrator

    Insight Global (Herndon, VA)
    …management methodology and communication strategy * Create and maintain server /application diagrams and workflows * Perform/coordinate incident diagnosis, corrective ... Oversee the configuration, testing, installation, modification, and servicing of all server components and applications within the IAM landscape * Independently… more
    Insight Global (12/09/25)
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  • NCIS SharePoint Administrator | Active TS/SCI…

    General Dynamics Information Technology (Quantico, VA)
    …Administration + Experience with SnapManager, AvePoint DocAve/Fly products + Extensive knowledge of Windows operating systems, as well as SQL Server , Power BI, ... Experience and knowledge with SharePoint Online administration + Experience administering Windows Servers, Active Directory including ADFS, DNS, SMTP, Network Load… more
    General Dynamics Information Technology (01/05/26)
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  • Fidelis Administrator - Active TS/SCI with CI Poly

    ENS Solutions (Reston, VA)
    …of industry. Performs systems administration of cyber tools sets and server systems connected to networks across multiple classification domains. Provide support ... including day-to-day operations, monitoring, and problem resolution for all client/ server /storage/network devices, etc. Install, configure and manage operating system… more
    ENS Solutions (12/27/25)
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  • VMware ESXI Administrator

    Trace Systems Inc (Portsmouth, VA)
    …secure, scalable, and compliant virtualized infrastructure and enterprise Microsoft Windows environment. + Support both production and development environments, ... implementing VMware infrastructure components, as well as in-depth knowledge of Windows domain deployment, management, and configuration as it pertains to managing… more
    Trace Systems Inc (11/27/25)
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  • Systems Administrator - NETTN Support

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Job Responsibilities + Perform advanced troubleshooting and issue resolution across client and server systems + Administer and maintain Windows and Red Hat ... issues, maintain system health, and ensure cybersecurity compliance in Windows , RHEL, and virtualized environments. Responsibilities include system troubleshooting,… more
    Huntington Ingalls Industries (01/10/26)
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  • Senior Systems Analyst

    ManTech (Chantilly, VA)
    …Certificate Services, DHCP, DNS, Active Directory, Group Policies and Microsoft Windows Operating Systems + ​Diagnosing and resolving the performance, security, ... months of hire. MCSA, VCP, or equivalent + Experience with Microsoft Windows Systems, specifically: Microsoft Windows 2008/2012/2016/2019 Servers; Microsoft … more
    ManTech (01/06/26)
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  • Red Team Operator

    Amentum (Norfolk, VA)
    …and misconfigurations associated with but not limited to operating systems ( Windows , Linux, etc.), protocols (HTTP, FTP, etc.), and network security services ... or exploitation development. + Proficient in at least two operating systems, to include Windows , Linux, or Unix variants. + Proficient in at least one of the… more
    Amentum (11/12/25)
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