• Senior System Administrator

    Amentum (Springfield, VA)
    …systems including patching, updates, and configuration management. * Experience with Active Directory and managing/maintaining Windows servers * Analyze logs ... If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team...daily (this role is not remote). **Clearance Required:** * Active TS/SCI with ability to obtain a poly **Minimum… more
    Amentum (11/20/25)
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  • Senior System Administrator

    SAIC (Fort Belvoir, VA)
    …and upgrades + Experience with Windows Server 2016 and later operating systems, Microsoft Active Directory , DNS, and DHCP + Ability to work as both part ... **Description** The Senior System Administrator will provide support for operational intelligence integration and data-centric operations for customers across… more
    SAIC (11/19/25)
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  • Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance to ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the...Exchange, IIS, SQL, SharePoint, etc. and/or services, such as Active Directory (AD) and Domain Naming Service… more
    V2X (11/15/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …SRGs, RMF, SCA-V, and CORA assessments. + Three (3) years managing enterprise-level Active Directory structures. + Three (3) years creating and maintaining ... **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in Citrix technologies (XenApp, NetScaler… more
    TekSynap (10/25/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you ... advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career...3+ years of related experience + Technical skills: Troubleshooting, Active Directory , Technical Support, Customer Service, MS… more
    General Dynamics Information Technology (12/18/25)
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  • Sr. Windows Administrator

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …Management Protocol (SNMP). h) Five or more years' experience managing enterprise level Active Directory Structures. i) Five or more years' experience creating ... future duties and responsibilities:** This position is for a Senior Systems Administrator supporting the ALTESS Windows.... Wellness and Well-being programs \#CGIFederalJob \#LI-PC1 **Skills:** + Active Directory + Cisco + IIS +… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Systems Administrator

    Amentum (Warrenton, VA)
    …limited to, the following: * Administer and maintain Windows server environments, including Active Directory , DNS, DHCP, and Group Policy * Manage and support ... so, look no further. Amentum is seeking a **Systems Administrator ** to join our team of passionate individuals in...including Windows Server 2019, Citrix Virtual Desktop, VMware ESXi, Active Directory , DHCP, and Service Accounts *… more
    Amentum (12/10/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …knowledge with SharePoint Online administration + Experience administering Windows Servers, Active Directory including ADFS, DNS, SMTP, Network Load Balancing, ... related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions… more
    General Dynamics Information Technology (10/29/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …vulnerability remediation with ATO processes + Requires advanced knowledge of Windows active directory hierarchy and implementation. + Strong oral, written and ... and cybersecurity industries. We are seeking a **Physical Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business… more
    M. C. Dean (10/23/25)
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  • Lead Windows Systems Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …servers, virtual desktops, and enterprise applications. Configuring and managing domains, Active Directory , Group Policies, and access controls. Driving ... Windows Workstation and Server administration. Expert experience with Citrix StoreFront, Active Directory , and Group Policy management. Hands-on experience with… more
    General Dynamics Information Technology (12/29/25)
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