• Lead Information Security Engineer

    Lumen (Annapolis, MD)
    …& computing system administration , virtualization, configuration, and support experience of Linux systems . + Two years of network design, support, and ... patching, hardening, user access permissions, and routine maintenance of Security infrastructure systems ( Linux & Windows) + Develop and support tools and… more
    Lumen (09/30/25)
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  • Windows Systems Administrator - Secret

    Northrop Grumman (Linthicum Heights, MD)
    …and/or certification. + Windows AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or certification for current ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (09/19/25)
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  • Senior Cloud Systems Engineer (Identity…

    St. George Tanaq Corporation (Suitland, MD)
    …Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI) Operating Systems : Linux /Unix (Ubuntu, CentOS, Red Hat) Windows Server administration Infrastructure ... Senior Cloud Systems Engineer (Identity Management Domain Services) WFH Flexible*Suitland,...**About the Role** We are seeking a **Senior Cloud Systems Engineer** (Identity Management Domain Services) to support our… more
    St. George Tanaq Corporation (08/19/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (California, MD)
    …wait. You Have: + 5+ years of experience configuring and managing Unix, Linux , or Windows operating systems , including installing or loading operating system ... Systems Administrator The Opportunity: Your combination of people...Have: + Secret clearance + Bachelor's degree in System Administration , Network Administration , or a related technical… more
    BOOZ, ALLEN & HAMILTON, INC. (09/20/25)
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  • Fidelis Administrator - Active TS/SCI with CI Poly

    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 ... Install, configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and… more
    ENS Solutions (09/27/25)
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  • Information Security Systems Developer…

    SMX (Patuxent River, MD)
    …+ Past DoD system administration experience + Experience with Windows and Linux based Operating Systems + Knowledge of DoD Information Assurance practices, ... Information Security Systems Developer - Advanced (Secret to TS) (3290)at...River, MD SMX is seeking a skilled **Information Security Systems Developer** to be part of ourInformation Technology Team… more
    SMX (08/10/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating systems running on SPARC/x86 hardware supporting the ONI ... of all CDS systems + Installation, configuration and system hardening of Unix/ Linux operating systems + Installation and configuration of GOTS and COTS… more
    FGS, LLC (08/23/25)
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  • Systems Administrator Expert

    General Dynamics Information Technology (Annapolis Junction, MD)
    …and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, ... management and internal customers for escalated tickets + Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads… more
    General Dynamics Information Technology (07/23/25)
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  • Software Engineer 3

    Synergy ECP (Columbia, MD)
    …and multi-threaded programming 6+ years experience in Network Information Service and UNIX/ LINUX operating systems (RedHat, CentOs, etc) 6+ years of experience ... 3- develops, maintains, and enhances complex and diverse software systems (eg, processing-intensive analytics, novel algorithm development, manipulation of extremely… more
    Synergy ECP (07/23/25)
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  • Platform Engineer II - Pipeline (TS/SCI w/…

    COMSO, Inc (Fort Meade, MD)
    …on systems architecture related to the Citrix environment in Windows, UNIX, Linux systems + Collaborate with back-end application developers and DBA to ... with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software development proficiency, innovative learning solutions for workforce… more
    COMSO, Inc (09/02/25)
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