• System Administrator

    CACI International (Ashburn, VA)
    …five (5) solid years of experience providing system administration support for Windows and /or Linux Operating systems + Minimum 3 Years of VMware ... administration + Prior experience with Windows Operating System and application is highly...ethic; self-starter and highly proactive + Thorough knowledge of server and system administration principles… more
    CACI International (12/13/25)
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  • Database/ Systems Administrator

    CACI International (Ashburn, VA)
    …work a hybrid schedule with on-site requirement in Ashburn, VA . Proficient with Windows servers administration . Experience with relational databases (eg, ... vulnerabilities related to server and databases . Windows Server and Desktop administration ....Experience: at least seven (7) years related Database and system administration experience. . Local candidates must… more
    CACI International (11/01/25)
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  • Systems Administrator II

    V2X (Fort Lee, VA)
    …(WAN), data communications network, operating systems , and physical and virtual servers . *Perform system monitoring and verify the integrity and availability ... SA duties. Specifically, the SA will demonstrate proficiency in system administration , patching, and implementation of security...of hardware, network, and server resources and systems . *Review … more
    V2X (01/08/26)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    Amentum is seeking a Windows Systems Administrator to support our federal program in Warrenton, VA. Our mission is to operate and maintain the Distributed ... among senior leaders and key staff. **Responsibilities:** + Administer and maintain Windows server environments, including Active Directory, DNS, DHCP, and Group… more
    Amentum (01/09/26)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    …policies and virus scans. + Actively acquiring knowledge and skills in system administration through training programs and mentorship from senior colleagues. ... Basic Networking fundamentals (IP addressing, DNS, firewalls) + Knowledge of common system administration tools + Problem-solving and analytical skills + Ability… more
    Amentum (01/01/26)
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  • System Administrator

    Chenega Corporation (Fort Belvoir, VA)
    …Ensure security and update patching of Microsoft systems . + Perform Desktop and Server imaging using Microsoft Windows imaging tools and the Windows ... system configuration to ensure data integrity. + Monitor servers , network services, and their backup system ....Certifications for IAT-II IAW DoD 8570.01-M and BBP 05-PR-M-0002. Windows server certification is required. + Secret… more
    Chenega Corporation (12/01/25)
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  • Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    … upgrades. * Manages and troubleshoots multiple VMware environments. * Provides Windows Server and Linux administration , maintenance, and troubleshooting. ... * Creates STIG compliant images for Windows Desktop, Windows Server , and...for certification. Desired Qualifications * Linux OS (CentOS, RHEL) administration . * Satellite server administration .… more
    Arena Technical Resources, LLC (01/01/26)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    …include, but are not limited to, the following: * Administer and maintain Windows server environments, including Active Directory, DNS, DHCP, and Group Policy ... in reviewing firewall rules to support secure access to Windows servers * Contribute to the planning...the domain * Skilled in using PowerShell to automate administrative tasks and enhance system management efficiency… more
    Amentum (12/10/25)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    …issues, leveraging expertise in high-level problem-solving. + Install, configure, and manage Windows Server operating systems , adhering to organizational ... + 5+ years of relevant experience. + Experience with Windows and Linux operating systems + DOD...diverse environments. + Advanced proficiency in Windows Server , infrastructure management, PowerShell scripting, and Linux administration… more
    Chenega Corporation (12/10/25)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    …core platforms and services: + VMware ESXi and vSphere. + Microsoft Windows Server 2016 and 2019 Deployment and Administration . + Microsoft Windows 10 ... Deployment and Administration . + DNS, DFS, and DHCP. + Windows Server Update Services (WSUS), Key Management Service (KMS) + Active Directory and defining,… more
    M. C. Dean (12/30/25)
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