• Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …+ Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active Directory and networking + ... ManTech seeks a motivated, career- and customer-oriented ** Sr ** **Cloud System Administrator** to join...**Responsibilities include, but are not limited to:** + Provide administration and support for Windows Server 2022… more
    ManTech (09/10/25)
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  • Software, CNO, Systems…

    Belay Technologies (Annapolis Junction, MD)
    …security. Required Skills: Linux/ Windows administration , scripting, network services, system monitoring. Experience Level: Junior to Senior Systems ... (Java, Python, C++), software development lifecycle, debugging, testing. Experience Level: Junior to Senior System Administrator (Levels 1 to 3) Overview: The … more
    Belay Technologies (08/14/25)
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  • System Engineer (TS/SCI)- Senior…

    Vexterra Group (Bethesda, MD)
    …+ Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as Microsoft ... Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the… more
    Vexterra Group (07/15/25)
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  • (Mid. or Senior ) System…

    Belay Technologies (Annapolis Junction, MD)
    …to join our team. The selected individual will be responsible for maintaining system administration support activities for a large complex network environment ... a changing environment. The selected candidate must possess strong system administration and troubleshooting skills and must...+ Must have experience or familiarity with the following systems : Windows /Linux operating systems , VMware,… more
    Belay Technologies (10/01/25)
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  • Senior System Administrator…

    St. George Tanaq Corporation (Suitland, MD)
    …uptime across multiple geographically distributed sites. 3. Enterprise Systems Administration - Expert in managing Windows Server and Linux environments, ... Senior System Administrator - Network Operation...8 years of advanced expertise in enterprise-level network and systems administration , ensuring mission-critical systems … more
    St. George Tanaq Corporation (08/15/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …Senior Linux System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, ... enhancements to improve performance and reliability. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. + Assign… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... other protected class. Job Description: This position is for System Administration support for development and production...Maintenance of Virtual Machines ? VCenter/VMWare o Linux and Windows operating systems ? CentOS, RedHat, … more
    Synergy ECP (07/16/25)
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  • Senior Linux 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 ... software integration issues. + Maintain a strong understanding of system administration interdependencies in a Service Oriented...a degree. + 20+ years of related experience in systems administration or IT operations. + Experience… more
    ManTech (07/15/25)
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  • NAVAIR Senior Systems Administrator

    JHNA (Patuxent River, MD)
    …in Patuxent River, MD. This individual will be performing System Administration functions on Aircraft or Weapons Systems networks, and maintaining and ... River, MD, USA | Salary | Full Time NAVAIR Senior Systems Administrator Overview: JHNA is currently...other DOD INST 8570 compliant qualification required. + Operating system certification (ie Windows or Linux). +… more
    JHNA (09/16/25)
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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    Senior Systems Engineer Job Category: Engineering Time...and system deployment, as well as general Windows and Linux system administration and ... Type of Travel: None * * * **The Opportunity:** Senior Systems Engineer with strong design experience...+ Active TS/SCI with Poly + Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering… more
    CACI International (08/08/25)
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