• Senior Systems Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... learn more about how this program "Delivers Mission Success!" Seeking a motivated systems Administrator to provide support for mission operations support of… more
    Leidos (06/03/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …Proven experience with patching and configuring systems , ensuring up-to-date security and optimal system performance. + Practical experience with ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our...standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on experience with… more
    ManTech (06/07/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS software for improved ... ManTech seeks a ** System Administrator ** to join our team...provide support for implementation, troubleshooting, and maintenance of IT systems , as well as manage IT system … more
    ManTech (07/15/25)
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  • Secret Linux System Administrator

    Insight Global (Linthicum Heights, MD)
    Job Description Insight Global is looking for a Secret cleared Linux System Administrator to sit fully on site in Linthicum, MD to support an enterprise IT and ... servers, follow and stay up to date with proper security compliance, provide server administration, backups, imaging, encryptions, and...The current environment is a mix between Linux and Windows , totaling a team of 9 admins. The ideal… more
    Insight Global (08/02/25)
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  • System Administrator Level 3

    General Dynamics Information Technology (Annapolis Junction, MD)
    …management, implementation, and sustainment of compliance with applicable system security controls. + Provide support to IT systems including day-to-day ... and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots,...and performance + Communicate and coordinate with the Information System Security Officer (ISSO) and Information … more
    General Dynamics Information Technology (07/23/25)
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  • System Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …resolution + Configuring and managing UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... System Administrator Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA)...and provide technical support for diverse software and hardware systems assisting in the defense of our nation. We… more
    Athenix Solutions Group, LLC (07/24/25)
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  • Digital Services Web Server Administrator…

    General Dynamics Information Technology (Annapolis Junction, MD)
    … you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator Senior joining our team. HOW A WEB SERVER SYSTEMS ... DevOps practices. * Certifications: Relevant certifications such as AWS Certified SysOps Administrator , Red Hat System Administrator (RHSA), Microsoft… more
    General Dynamics Information Technology (06/11/25)
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  • Lead System Administrator 2

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is hiring a Lead Systems Administrator 2 for an exciting upcoming Cyber Operations contract award to support contracts that provide ... enterprise architecture and standards related systems engineering. You will be coordinating activities pertaining to the development, documentation, and maintenance… more
    BigBear.ai (06/30/25)
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  • Senior Cloud System Administrator

    TekSynap (Columbia, MD)
    …securityvulnerabilities **REQUIRED QUALIFICATIONS** + Minimumeight(8) years of experience as a System Integrator, Administrator , or Cybersecurity Roll + Minimum ... todetermineasolution + Has, or is willing to gain, more diverse IT skills, including Windows /Linux, networking, andmore + Able to build systems from the ground… more
    TekSynap (07/09/25)
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  • System Administrator (SA2) with Poly

    Lockheed Martin (Annapolis Junction, MD)
    …process\. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity ... and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of… more
    Lockheed Martin (07/24/25)
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