• Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    …has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing hybrid… more
    Leidos (07/31/25)
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  • Systems Administrator 2

    Amentum (Fort Meade, MD)
    …, Security, & Intel space? If so, look no further. Amentum is seeking a ** Systems Administrator ** to join our team of passionate individuals in **Fort Meade, ... Nation's security and intelligence mission. **Responsibilities:** + A system administrator provides support for implementation, troubleshooting and maintenance of IT… more
    Amentum (07/17/25)
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  • Network & Computer Systems

    KBR (Lexington Park, MD)
    Title: Network & Computer Systems Administrator KBR's Mission Engineering Division delivers complex technical solutions and expert support to the US Department ... of Defense, specializing in modeling and simulation, cyber transformation, air vehicle mission integration, and lifecycle support....next level? KBR is seeking a Network and Computer Systems Administrator with an active Secret clearance… more
    KBR (10/11/25)
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  • Senior Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software, systems more
    Leidos (10/09/25)
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  • Senior Systems Administrator

    SAIC (Fort Meade, MD)
    …can** **grow your career in a dynamic and supportive environment!** The Systems Administrator (SA) will provide support for implementation, troubleshooting, and ... **Description** SAIC, a leading provider of systems engineering & integration, systems development... engineering and integration; enterprise IT, including cloud services; cyber ; software; advanced analytics and simulation; and training. We… more
    SAIC (08/19/25)
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  • Field Engineer/Linux Systems

    Huntington Ingalls Industries (Columbia, MD)
    …the interview process. Job Description Enlighten is looking for a Field Engineer/Linux Systems Administrator to support operational systems at multiple ... development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. Enlighten provides… more
    Huntington Ingalls Industries (08/08/25)
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  • Senior Systems Administrator

    Leidos (Gaithersburg, MD)
    …part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you ... technology-enabled services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics to support our defense… more
    Leidos (10/10/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …analyze root causes and resolve complex issues utilizing your knowledge of industry. Performs systems administration of cyber tools sets and server systems ... Experience automating deployments and configuration management. + Experience as a network administrator or systems engineer. + Experience in using Active… more
    ENS Solutions (09/27/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …projects in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, and maintenance of complex DoD ... systems and networks. This role requires expertise in high-volume,...monitoring. + Collaborate with cross-functional teams, supporting IT strategy, cyber defense, and infrastructure improvements. + Provide guidance and… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Cybersecurity Incident Response…

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is currently hiring for Cybersecurity Incident Respose Administrator to be responsible forSecurity Information and Event Management (SIEM) ... systems . This position will be located in Radford, VA...a remote position. **Responsibilities** The Senior Cybersecurity Incident Response Administrator (Information Assurance Engineer - Senior) will be responsible… more
    GovCIO (09/24/25)
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