• Senior System Administrator

    SAIC (Arlington, VA)
    **Description** SAIC is seeking a motivated and experienced ** System Administrator ** to join our team at the Pentagon in Arlington, VA. **This position is 100% ... environment. **Position Overview:** + Manage currently supported and subsequent Windows Server Operating Systems on virtual operating environments, providing… more
    SAIC (12/13/25)
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  • System Administrator

    ManTech (Nellis Air Force Base, NV)
    **MANTECH** seeks a motivated, career and customer-oriented ** System Administrator ** to join our Air Force / Space team at **Nellis AFB** . The System ... include, but are not limited to:** + Determining hardware, software, and systems specifications, and configuration requirements. + Execution of the patching, fixing,… more
    ManTech (12/13/25)
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  • System Administrator

    Leidos (Bethesda, MD)
    …has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology ... + Implement and enforce DISA STIG compliance across all systems and networks + Develop server builds...Ansible for infrastructure automation and orchestration + Set up administrator and service accounts, maintain system documentation,… more
    Leidos (10/01/25)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …Active Top Secret/SCI clearance with a Counter-Intelligence Polygraph Experience as a desktop system administrator or in a similar IT support role. Compliant ... to ensuring you receive the utmost employee care. Responsibilities The System Operations/ Administrator will perform the following duties: Install, configure,… more
    Sciolex Corporation (10/14/25)
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  • Senior Systems Administrator

    Belcan (Cincinnati, OH)
    Senior Systems Administrator Job Number: 361641 Category: -Software & Systems SBU Description: A Senior Systems Administrator job in Cincinnati, OH ... Diagnostics and Mitigation (CDM) practices. Preferred Qualifications: * Microsoft Certified Systems Administrator /Engineer (MCSA/MCSE) or equivalent (eg, Azure … more
    Belcan (12/07/25)
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  • Linux System Administrator

    TEKsystems (Boulder, CO)
    …hours Skills Linux, python, shell script, perl, Red hat, Scripting, System administrator Top Skills Details Linux,python,shell script,perl Additional Skills ... computing environment is heterogeneous consisting of OpenBSD, FreeBSD, Linux and Windows server systems . Many systems are high availability configurations… more
    TEKsystems (12/05/25)
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  • System Administrator II - Hiring…

    Amentum (Rapid City, SD)
    …ensures Information Assurance requirements are met. + Provides Client System Administrator (CSA) duties for specific mission systems that require specialized ... Amentum is seeking a System Administrator II to work under...configuration, monitoring, troubleshooting, analysis and repair of Desktop and Server systems , Disaster Recovery Systems more
    Amentum (12/16/25)
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  • System Administrator -Windows

    Robert Half Technology (Swepsonville, NC)
    Description We are looking for a skilled System Administrator with expertise in Windows environments to join our team in Swepsonville, North Carolina. This ... position involves working onsite and focuses on managing server systems , ensuring robust security practices, and...equivalent experience. * 3-5 years of experience as a System Administrator , preferably in a Windows environment.… more
    Robert Half Technology (11/13/25)
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  • Senior Linux Systems Administrator

    Leidos (Aurora, CO)
    …Support dispatch systems and hardware issues, configure and install system hardware/software, and maintain server and domain security requirements. **Basic** ... a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (10/09/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    System Administrator Oakton, VA . Information Technology Join our Talent Network Are you ready to enhance your skills and build your career in a rapidly evolving ... IT Operations Support, Software Development, and Program Management. Job Title: System Administrator Location:Oakton, Virginia Clearance Level:Top Secret… more
    Chenega Corporation (11/12/25)
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