• System Administrator Level 2

    Jovian Concepts, Inc. (Annapolis, MD)
    …of Positions","uitype":32,"value":"1"},{"fieldLabel":"Clearance Required","uitype":2,"value":" Top ... involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs\/loads operating system software, troubleshoots,… more
    Jovian Concepts, Inc. (10/07/25)
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  • MSIC - HPC Linux Systems

    COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where you will support and manage a diverse mix of workstations, servers, and high-performance computing (HPC) ... to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility +...experience in Linux environments. + Cross-OS administration experience with Windows . + Virtualization experience with VMWare or Nutanix. +… more
    COLSA Corporation (12/31/25)
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  • Linux Systems Administrator

    JHNA (Patuxent River, MD)
    Patuxent River, MD, USA | Full Time Linux Systems Administrator JHNA is currently seeking a talented Linux Systems Administrator to support our NAVAIR ... Roles/Responsibilities: + Installing, configuring and managing the Linux operating systems and related toolsets + Gathering requirements, developing and...Secret Clearance. Must have ability to obtain a Top Secret , Interim Top more
    JHNA (11/25/25)
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  • Service Center Systems Administrator

    BAE Systems (Columbia, SC)
    **Job Description** We have a new, excellent opportunity for an Network/ Systems Administrator to fulfill a role in our TechOne Service Center providing 24/7 Tier ... **Preferred Education, Experience, & Skills** A current / active Secret or Top Secret clearance...based on position level and/or job specifics. **Service Center Systems Administrator II** **118341BR** EEO Career Site… more
    BAE Systems (11/18/25)
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  • Linux Systems Administrator

    Lockheed Martin (Huntsville, AL)
    … Clearance to start, with the ability and willingness to obtain and maintain DOD Top Secret clearance, with the ability to maintain that clearance throughout the ... This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security...* VMware experience \(VSphere vCenter, ESXi, KVM\) * Active Top Secret Clearance **Security Clearance Statement:** This… more
    Lockheed Martin (11/20/25)
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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 ... job will be to bring together Linux (primarily) and Windows systems administration, systems maintenance,...of relevant professional experience + Must have an active Top Secret security clearance with the ability… more
    Leidos (12/30/25)
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  • Associate System Administrator

    Lockheed Martin (Littleton, CO)
    …in a rapid paced, team environment * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to ... Day to day Operations - Monitor, maintain, and support Windows /Linux servers, virtualization platforms, and storage systems ...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (12/18/25)
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  • Systems Administrator /ISSO

    Tyto Athene (Santa Barbara, CA)
    **Description** Tyto Athene is searching for a ** Systems Administrator /Information System Security Officer** to join our CA team. **Responsibilities:** + Provide ... support. **Qualifications** **Required:** + 3or more years of hands-on Systems Administration experience including Windows based computers,...+ Onsite support is required. **Clearance:** + Active DoD Top Secret or Top more
    Tyto Athene (12/07/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    Windows and Azure server environments **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... + CKA - Confirms ability to install, configure, and manage Kubernetes clusters. + Azure Administrator Associate or MCSE: Windows Server - Credential for managing… more
    Parsons Corporation (11/15/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ210149 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system...with other applications is required. + Security Clearance Level: TS /SCI w/Poly + Location: On Customer Site + US… more
    General Dynamics Information Technology (11/08/25)
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