• Cloud System Administrator II

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career- and customer-oriented **Cloud System Administrator ** to join our team in Hanover, MD. Our team delivers enterprise ... Linux 2023, RHEL 8/9) and Windows Server (2016/2022) systems . + Configure and manage core services such as...**Minimum Qualifications:** + 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs… more
    ManTech (12/23/25)
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  • Classified Area System Administrator

    Leidos (Huntsville, AL)
    …Office reporting through the Digital Modernization sector, is seeking an early career ** System Administrator ** to join our team. In this role, you'll play ... Degree** and a minimum of two 2 years of System Administrator experience. + **Current Secret clearance**...Familiarity with Risk Management Framework requirements for Windows and Linux systems . + Strong written and verbal… more
    Leidos (11/06/25)
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  • Cyber Systems Administrator

    Serco (Washington, DC)
    …Air Force Base in Albuquerque, New Mexico** . The Cyber System Administrator will operate and maintain systems within the DMOC Battlespace, enabling the ... and system components. + Performing as a Systems Administrator for a hybrid classified environment... for a hybrid classified environment (ie, Windows and Linux ). + Working closely with DMOC Cybersecurity team to… more
    Serco (01/08/26)
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  • Systems Administrator II

    V2X (Fort Lee, VA)
    …to maintain the STE Device systems operating efficiency. *Sets up administrator accounts, maintains system documentation, tunes system performance, ... performance. 3. Assign and update security permissions on a Linux network. 4. Review and interpret Linux ... systems operating efficiency. *Experience in setting up administrator accounts, maintaining system documentation, tuning … more
    V2X (01/08/26)
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  • System Administrator (Level 4)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    …configure and manage UNIX, Linux , and Windows (or other applicable) operating systems , install and load operating system software, troubleshoot and maintain ... Kaizen Approach is currently seeking a Systems Administrator to provide implementation, troubleshooting,...minimum of twenty (20) years of experience as a System Administrator (SA) on programs and contracts… more
    Kaizen Approach, Inc (11/11/25)
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  • Systems Administrator - Helpdesk Sys…

    Northrop Grumman (Colorado Springs, CO)
    …Functions:** + Configuring and managing ** Linux ** and **Windows** Operating systems , including: + Implementing operating system enhancements to improve ... -Missile Defense Integration offers an excellent opportunity for a ** Systems Administrator - Helpdesk Systems ... system administration on both Windows Server and Linux operating systems + Experience troubleshooting and… more
    Northrop Grumman (01/10/26)
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  • Senior Network and Computer Systems

    NANA Regional Corporation (South Burlington, VT)
    We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT ... with increasing levels of responsibility. + Expertise in Windows Server administration, Linux systems (Red Hat/CentOS), and Active Directory infrastructure. +… more
    NANA Regional Corporation (01/09/26)
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  • Systems Administrator

    Kelly Services (Pascagoula, MS)
    ** Systems Administrator ** **$66.15/hour** *100% onsite* *REQUIRES ACTIVE TOP SECRET SECURITY CLEARANCE FOR CONSIDERATION* Kelly Government Solutions is hiring ... for RHEL systems administrator on a DoD contract with...world. Our customer is seeking a skilled and motivated System Administrator to join their team supporting… more
    Kelly Services (01/06/26)
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  • System Administrator

    CACI International (Ashburn, VA)
    …years of experience providing system administration support for Windows and /or Linux Operating systems + Minimum 3 Years of VMware administration + Prior ... System Administrator Job Category: Information Technology...systems by analyzing, designing, and implementing changes to system baselines so that updates meet customer requirements, and… more
    CACI International (12/13/25)
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  • System Administrator

    METECS (Houston, TX)
    …robotics, and systems analysis. We are looking for a talented and experienced IT System Administrator with a minimum of 5 years of experience to help us ... maintain and improve our IT infrastructure, Helpdesk System , and cybersecurity posture. If you have a strong...hear from you. Key Responsibilities: + Provide support for Linux -based systems and servers, including installation, maintenance,… more
    METECS (12/18/25)
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