• Network Security Administrator

    TekSynap (Pensacola, FL)
    **Responsibilities & Qualifications** The **Network Security Administrator ** is responsible fornetwork boundary protection, cybersecurity posture, and ... This role ensures compliance with DoD cybersecurity policies, oversees network security operations, and supports system accreditation processes under DISA, DoN, and… more
    TekSynap (10/07/25)
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  • Systems Administrator

    TekSynap (Kirtland, NM)
    …**RESPONSIBILITIES** + Oversee the administration, configuration, and maintenance of Windows , Linux, VMs, and supporting software in an air-gapped environment. ... + Works with peers to support windows and Linux environments + Setup and maintain ...IAT level II Certification + 3+ years of Systems Administrator Experience **DESIRED QUALIFICATIONS** + Preferred: Bachelor's degree (BS)… more
    TekSynap (12/13/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Level 1 System Administrator Provides support for ... involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
    Synergy ECP (10/28/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description System Administrator Level 2 Provides ... involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains… more
    Synergy ECP (10/22/25)
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  • CNS Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    **Job Description** As a global leader in advanced defense, security , and aerospace technologies, BAE Systems offers a dynamic and challenging work environment where ... make a difference. We're seeking a highly skilled and motivated System Administrator to join our team, responsible for maintaining system administration support… more
    BAE Systems (12/29/25)
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  • Senior Linux Systems Administrator - 10k…

    Leidos (Aurora, CO)
    …**Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... Security !** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the...15 years. + **Technical Skills** : Experience with LINUX, Windows and Virtualization + ** Security Clearance** :… more
    Leidos (12/19/25)
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  • Sr. Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (San Antonio, TX)
    **Overview** SR. SYSTEMS ADMINISTRATOR (BAMCIT): Bowhead seeks a Sr. Systems Administrator to support the Geographic Service Providers (GSP) Brooke Army Medical ... for the PEO MS/J-6 through contractor staff augmentation. The Sr. Systems Administrator is tasked with improving IT practices and mechanisms with consistent support… more
    UIC Government Services and the Bowhead Family of Companies (10/08/25)
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  • System Administrator

    Leidos (St. Petersburg, FL)
    …have a **DoD 8570 IAT level II** or higher certification such as CompTIA Security +. + Experience operating in a Windows -based domain environment to include ... **Description** Leidos' Corporate Information Security Office, reporting through Digital Modernization sector, is seeking a **System Administrator ** to support… more
    Leidos (12/19/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …obtain TS/SCI Clearance to be considered for this position **Desired Skills:** * Windows and Linux OS patching/ security hardening in a classified environment * ... **Description:** What We Do: The Trusted Security Solutions \(TSS\) program is the beating heart...threats\. What You Will Be Doing As a **System Administrator ** within this dynamic environment, you will be the… more
    Lockheed Martin (12/18/25)
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  • Senior Information Systems Administrator

    Concurrent Technologies Corporation (Huntsville, AL)
    …System Administrator with experience accrediting, maintaining, and ensuring cyber security for servers and networks in a classified research and development lab ... Senior Information Systems Administrator Concurrent Technologies Corporation Huntsville, AL Minimum Clearance Required: Top Secret Clearance Clearance Level Must Be… more
    Concurrent Technologies Corporation (10/19/25)
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