• Senior Mainframe Systems Programmer - zVM

    Ensono (Annapolis, MD)
    …and clients. This is achieved by monitoring, maintaining, supporting, and optimizing all operating systems assigned. This position reports to the Manager of the ... z/VM, z/ Linux team and is responsible for assisting in the management of the z/VM operating systems across multiple LPARS and multiple clients Key Areas of… more
    Ensono (10/07/25)
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  • Computer Network Operations (All Levels)

    Lentech, Inc (Hanover, MD)
    …designing and implementing network architecture scenarios containing various operating systems and application versions to include Linux , Solaris, and ... you interested in tackling some of the nation's most critical challenges in systems security and vulnerability? Would you consider joining a leading team dedicated… more
    Lentech, Inc (12/02/25)
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  • Information Systems Security Manager

    Leidos (Bethesda, MD)
    …of this position * Must have previous ISSM or ISSO experience * Must have Linux operating system experience including but not limited to: + Must have basic ... a solid grasp on scanning and remediating issues on Linux systems * Must be thoroughly familiar...supervision Desired Experience: * Familiarity with Jira, Confluence, Portfolio, Service Desk If you're looking for comfort, keep scrolling.… more
    Leidos (10/23/25)
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  • IT Cloud Systems Engineer - TS/SCI…

    General Dynamics Information Technology (Bethesda, MD)
    …of the demonstration capability and the final production system. + Experience with Linux /Unix systems administration. + Review and Maintain environments at the ... + **Required Experience** : 10+ yrs + **Required Technical Skills:** + Linux /Unix systems administration + Cloud application (AWS/Azure) architecture + AWS… more
    General Dynamics Information Technology (09/26/25)
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  • Production Service Systems

    Oracle (Annapolis, MD)
    …be responsible for the operation of production environments, including systems and databases, supporting critical business operations. Will perform administration ... database appliances. Responsible for Oracle production environments; assist with server operating system and application upgrades, bug fixes, and patching; and work… more
    Oracle (11/25/25)
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  • Systems Development Engineer II, US ADC DBS…

    Amazon (Jessup, MD)
    …using the Scrum methodology - 2+ years of administrative experience in networking, storage systems , operating systems and hands-on systems engineering ... systems . About the team Why AWS Amazon Web Services (AWS) is the world's most comprehensive and broadly...Utility Computing (UC) provides product innovations - from foundational services such as Amazon's Simple Storage Service more
    Amazon (10/10/25)
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  • UNIX Systems Engineer

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is currently hiring for an UNIX Systems Engineer to plan, execute, and implement,create and maintain team technical instructions, operating ... a mixed and growing environment of Red Hat Enterprise Linux /Oracle Enterprise Linux and Solaris UNIX. This...and SW and create and maintain team technical instructions, operating procedures and policies as needed. This position will… more
    GovCIO (09/24/25)
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  • Systems Administrator

    SMX (Patuxent River, MD)
    …bachelor's degree. + 5+ years performing the functional duties for this position + Operating System certificate ( Linux ) and COMPTIA Security + or other DOD INST ... Systems Administrator (4600)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent...disaster recovery plans and capabilities + Plan for authorized service interruptions and outages + Respond to unexpected or… more
    SMX (12/12/25)
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  • Systems Engineer

    ManTech (Annapolis Junction, MD)
    …Administer and maintain IT infrastructure by utilizing expert-level knowledge of the Linux operating system, along with deep expertise in server administration, ... **MANTECH** seeks a motivated, career and customer-oriented ** Systems Engineer III** to join our team in...firewalls, VLANs, and VPNs. + Expert-level knowledge of the Linux operating system. **Preferred Qualifications:** + Experience… more
    ManTech (11/21/25)
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  • IT Manager, Ops Tech Solutions (OTS)

    Amazon (Baltimore, MD)
    …use mobile computing devices, thin clients, integrated computer, and PCs running Windows, Linux , and Android operating systems to virtually and physically ... degree, or 4+ years of professional or military experience - Knowledge of Linux or Unix systems administration Preferred Qualifications - Knowledge of hardware… more
    Amazon (12/12/25)
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