• Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …slip links, routers, utilizing TCP/IP and network management skills in Multi-Platform Unix/ Windows Server 2003, NT, XP, 2000 environments, including Red Hat ... Enterprise Linux (RHEL5.4), Centos 7,8 Linux , VMWare Vcenter Server and Vsphere client,...7 RDBMS, NIS, NIS+, NFS, FTP, UDP, Sybase, Checkpoint, Windows Server 2003, Serena, Weblogic. Protocols: *… more
    DCCA (11/17/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …and you'll be the reason why. What You'll Work On: + Engineer and maintain enterprise Windows Server and Linux environments such as RHEL or Ubuntu supporting ... wait. You Have: + 5+ years of experience administering Windows Server or Linux in...related field + VMware Certified Professional (VCP), Microsoft Certified: Windows Server Hybrid Administrator Associate,… more
    BOOZ, ALLEN & HAMILTON, INC. (12/23/25)
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  • Cloud System Administrator (Journeyman)

    CACI International (Aberdeen Proving Ground, MD)
    …Practitioner certification. + Experience in Windows Enterprise environment including Server and Desktop. + Experience with Linux administration (including ... with a background in Cloud environments and hybrid Windows / Linux experience to support the Army Reprogramming...maintenance of ARAT's IL6 (AWS) Cloud environment. + Managing Windows servers and web server , which typically… more
    CACI International (01/08/26)
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  • Principal/Sr. Principal Systems…

    Northrop Grumman (Patuxent River, MD)
    …+ Ability to work after hours and weekends as needed. + Experience managing Windows Server OS and domain architecture. + Ability to support multiple networks, ... for a classified government contract. + Perform as a Linux \Redhat System Administrator for a classified government...after hours and weekends as needed. + Experience managing Windows Server OS and domain architecture. +… more
    Northrop Grumman (12/12/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …Install, configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and ... of start date. Optional Qualifications: + Experience with operating and maintaining Microsoft Windows and Linux servers to include operating systems. + Prior… more
    ENS Solutions (12/27/25)
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  • Sr. IAM Administrator (IT@JH Enterprise…

    Johns Hopkins University (Baltimore, MD)
    …owners _Additional preferred technical skills_ + MS SQL Server Administration + Windows Server Administration + Linux Server Administration ... **_Sr. IAM Administrator_** . The Sr. Identity and Access Management (IAM) Administrator is responsible for planning, implementing, and managing IAM services for the… more
    Johns Hopkins University (11/20/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …+ Proficiency in administering Linux operating systems. + Experience with Windows Server 2022 administration, including Active Directory and networking + ... include, but are not limited to:** + Provide administration and support for Windows Server 2022 environments, including Active Directory, and manage Windows more
    ManTech (12/24/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …and general support for Windows Server 2022 environments, Windows 10/11 client systems, and various Linux distributions (eg, Rocky,CentOS, RHEL) ... + Proficiency in administering Linux operating systems. + Experience with Windows Server 2022 administration, including Active Directory and networking +… more
    ManTech (12/24/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis, MD)
    …by law in employment.<\/div><\/div>","faviconId":"rzdliec182fab1ef548499d4ddfcbeeacba4f","jobTitle":"System Administrator Level 3","companyName":"Jovian Concepts, ... <\/head>\n \n \n \n Jovian Concepts, Inc is looking to hire a\x26nbsp;System Administrator Level 3 for a great opportunity in the Annapolis Junction area.\x26nbsp;… more
    Jovian Concepts, Inc. (12/24/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …experience for this level (skills, technologies, expertise): + One (1) year experience in Linux , Unix, Windows or Cisco OS operating system + Two (2) years' ... System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Level 1 System...experience administering Linux , Unix or Windows Operating System +… more
    Synergy ECP (10/28/25)
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