• System Administrator 4

    M. C. Dean (District Of Columbia, DC)
    …in electrical, engineering, and cybersecurity industries. Responsibilities As a System Administrator for our Physical Security Systems, you will be responsible for ... Security Information Management), and other Integrated Electronic Security Systems. A Systems Administrator 4 position is a SME/team lead position. Your role is… more
    M. C. Dean (09/26/25)
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  • System Administrator 3

    M. C. Dean (District Of Columbia, DC)
    …and cybersecurity industries. Responsibilities What you'll do: The Systems Administrator 3 is responsible for the day-to-day management, maintenance, and ... the reliability, security, and performance of systems and services. The Systems Administrator will collaborate with other staff and departments to deliver optimal… more
    M. C. Dean (08/27/25)
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  • Lead On-Site Systems Administrator

    Leidos (Washington, DC)
    **Description** Leidos is hiring a ** Senior Systems Administrator ** to support the ESA V program. The ESA V program is an IT Services program supporting several ... services, including help desk, asset management, desk side support, Windows workstation engineering and maintenance, managed print services, ITSM,...both at the downtown DC office and remotely. The Senior Systems Administrator will be the … more
    Leidos (11/09/25)
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  • Sr. Systems Administrator (NEI-18)

    CyberData Technologies (Bethesda, MD)
    …Bethesda, MD CyberData Technologies is seeking a Senior Systems Administrator with a strong background in Windows Server administration, vulnerability ... tasks across hybrid infrastructure environments. Responsibilities: * Perform regular Windows Server patching across production and non-production environments. *… more
    CyberData Technologies (11/06/25)
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  • HW Infrastructure Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **HW Infrastructure Administrator ** **Category:** Testing/Quality Assurance **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2109 ... acceptable. CGI Federal has an exciting opportunity for an HW Infrastructure Administrator within our Intel sector advancing the national security mission through… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • System Administrator IV

    Gama-1 Technologies (Silver Spring, MD)
    …communication skills. Preferred Qualifications + Certifications such as Microsoft Certified: Windows Server Administrator , Red Hat Certified Engineer (RHCE), ... Summary GAMA-1 Technologies, LLC seeks a highly experienced System Administrator IV to provide advanced systems administration, configuration management, and… more
    Gama-1 Technologies (11/20/25)
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  • Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38346 **Summary** **Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving business ... and economic interests of our nation. SecuriGence is seeking a talented **Systems Administrator ** to help contribute to our success. Come help us solve problems with… more
    Chenega Corporation (11/20/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... critical DoD system? Join our team as a Systems Administrator ! You will get to use your technical skills...Momentum. We are now working to move from our Windows based platform to RHEL, OpenShift and implement DevSecOps.… more
    CACI International (10/18/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …and cybersecurity industries. We are seeking a **Physical Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business ... and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems, you will be...+ Digitus + C-Cure + Requires an understanding of Windows patching and vulnerability remediation with ATO processes +… more
    M. C. Dean (10/23/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * **The Opportunity:** CACI is looking for a Cisco Call Manager Administrator is responsible for the day-to-day administration, configuration, and maintenance of the… more
    CACI International (09/27/25)
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