• Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …+ Experience managing Windows and Linux server environments + Knowledge of network security , firewalls, and intrusion detection systems + Experience with ... position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a US Navy Training… more
    SimIS Inc. (09/22/25)
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  • HW Infrastructure Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …HW Infrastructure Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for ... **HW Infrastructure Administrator ** **Category:** Testing/Quality Assurance **Main location:** United States,...up-to-date. * Troubleshooting: Diagnose and resolve hardware, software, and network problems, escalating to senior staff when… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …and Security Command (INSCOM). + Provides Microsoft SharePoint 2019 administrator support for a large customer within the DoD community. Administrator ... 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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  • Systems Administrator 2 (Bluemont, VA)

    William C Brown Inc (Springfield, VA)
    …other characteristic protected by law. Description WCBinc is looking for a Sr . Systems Administrator to provide support for implementation, troubleshooting and ... Systems Administrator 2 (Bluemont, VA) EOE Statement We are...support of a Tier1/Tier2 CNDSP. + Able to obtain Security + Certification within 6 months of arrival Position Requirements… more
    William C Brown Inc (10/23/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …may be substituted for 5 years of relevant experience). + Familiarity with network and system security principles, protocols, and configurations. + Strong ... Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full...enterprise-level Cisco Unified Communications solutions across our Air Force network infrastructure. + Administer and maintain Cisco Unified Communications… more
    CACI International (09/27/25)
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  • Junior System Administrator

    Gama-1 Technologies (Norfolk, VA)
    …checks, ensuring adherence to federal and organizational policies. + Collaborate with network , security , and cloud teams on technical support and system ... or enterprise IT systems. + Entry-level certifications such as CompTIA A+, Network +, or Security +, Microsoft Certified: Azure Fundamentals (AZ-900), AWS… more
    Gama-1 Technologies (10/11/25)
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  • Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …or other relevant operating systems. * Networking: Familiarity with LANs, WANs, and network security features. * Cloud Platforms: Experience with cloud services ... or other relevant operating systems. * Networking: Familiarity with LANs, WANs, and network security features. * Cloud Platforms: Experience with cloud services… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …Linux Systems Administrator within our Intel sector advancing the national security mission through cutting edge technology. You must have a passion for keeping ... **Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 **Employment… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Windows Administrator

    GovCIO (Richmond, VA)
    …VA and will be a remote position. **Responsibilities** This position is for a Senior Systems Administrator supporting the Windows team. This is currently a mixed ... **Overview** GovCIO is currently hiring for a Windows Administrator , tocreate and maintain team technical instructions, operating procedures and policies as… more
    GovCIO (09/24/25)
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  • Firewall Administrator

    Chenega Corporation (Arlington, VA)
    …trends and Palo Alto best practices for Azure Stack Hub. + Address daily network security issues, including routing, policy, and operational challenges. + Other ... **Req ID:** 37933 **Summary** **Firewall Administrator ** **Arlington, VA** Are you ready to enhance...** is responsible for designing, implementing, and maintaining secure network solutions using Palo Alto Networks firewalls to protect… more
    Chenega Corporation (10/03/25)
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