• Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …networks invulnerable to ever evolving threats\. What You Will Be Doing As a ** System Administrator ** within this dynamic environment, you will be the guardian ... in a rapid paced, team environment * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to… more
    Lockheed Martin (12/18/25)
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  • System Administrator

    CACI International (Laurel, MD)
    …operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to ... System Administrator Job Category: Information Technology...operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. + Optimize system… more
    CACI International (11/20/25)
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  • Senior Windows Systems Administrator

    Leidos (Arlington, VA)
    …Systems Security Certified Practitioner (SSCP) ) Training (DISA-US1390 DCWF Windows Systems Administrator ). + Expert knowledge of Windows Active Directory ... & Windows DFS Shares. + Implement and maintain robust system hardening techniques using security compliance tools such as...+ Knowledge of security tools and technologies to protect systems from vulnerabilities. + Familiarity with network … more
    Leidos (01/07/26)
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  • Network Administrator

    Robert Half Technology (Rochester, NY)
    Description We're seeking a hands-on IT Administrator to support a fast-paced manufacturing environment. This role is a mix of desk-side/plant-floor support, basic ... systems administration, and networking/physical infrastructure work (running cable, patch panels, switch work, troubleshooting connectivity). You'll be the go-to… more
    Robert Half Technology (01/09/26)
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  • Unix Systems Administrator

    Navy Exchange Services (NEX) (Virginia Beach, VA)
    Title: UNIX SYSTEMS ADMINISTRATOR Location: United States-Virginia-Virginia Beach Job Number: 250000Q4 Job Summary: Responsible for installation configuration ... Security , GIAC Security Essentials Certification (GSEC), Security Certified Network Professional (SCNP), Systems Security Certified Practitioner (SSCP);… more
    Navy Exchange Services (NEX) (12/22/25)
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  • Sr. System Administrator - VDI

    Leidos (Odenton, MD)
    …Ft Meade, MD. Administrator will provide support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). **PRIMARY ... group at Leidos has a career opening for a System Administrator on a DISA contract. This...**PREFERRED QUALIFICATIONS:** + Integration of cyber security tools and systems with network performance, trouble ticketing, and… more
    Leidos (01/16/26)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business ... make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital...and Windows environments. + Implement, troubleshoot, and maintain IT systems . + Manage daily IT system configuration… more
    Leidos (11/15/25)
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  • Systems Administrator - Level 5…

    MTA (New York, NY)
    Systems Administrator - Level 5 (TCU) Job ID: 13839 Business Unit: MTA Headquarters Location: New York, NY, United States Regular/Temporary: Regular Department: ... Ops Date Posted: Nov 21, 2025 Description JOB TITLE: Systems Administrator - Level 5 (TCU) SALARY...The Metropolitan Transportation Authority is North America's largest transportation network , serving a population of 15. 3 million… more
    MTA (11/22/25)
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  • Systems Administrator II

    Sierra Nevada Company, LLC (Sparks, NV)
    …for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator II, you will be using your skills and expertise to assist ... between hardware and software, operational requirements, and characteristics of our systems , establishing and documenting system parameters and formats, ensuring… more
    Sierra Nevada Company, LLC (12/23/25)
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  • Systems Administrator

    CACI International (Fort Meade, MD)
    …availability of customer systems . We are looking for a dedicated Linux System Administrator to help us ensure information security readiness and maintain ... Systems Administrator Job Category: Information Technology...+ **TS/SCI with Polygraph** Proficient with Linux. Minimum of 3 years Linux system administration experience (within… more
    CACI International (12/11/25)
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