• Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …troubleshooting, and maintenance of IT systems. Perform Tier 1 ( Help Desk ) and Tier 2 (Escalation) problem identification, diagnosis, and resolution. ... + Support day-to-day operations and monitoring, and resolve issues related to client/server/storage/network devices and mobile systems. + Escalate and communicate status updates to agency management and internal customers. + Optimize system operations and… more
    ManTech (07/26/25)
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  • System Administrator

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …patches + Providing IT break/fix support including Tier 1 ( Help Desk ) and Tier 2 (Escalation) problem identification, diagnosis and resolution + ... Configuring and managing UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and… more
    Athenix Solutions Group, LLC (07/24/25)
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  • Mid-Level Linux System Administrator

    Belay Technologies (Laurel, MD)
    …storage, network devices, Etc. + Provide Tier 1 ( Help Desk ) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems. + ... Provide support for the escalation and communication of status to agency management and internal customers. Provide support for the dispatch system and hardware problems and remains involved in the resolution process. + Configure and manage UNIX and Windows… more
    Belay Technologies (07/21/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …devices and mobile devices. + Perform Tier 1 ( Help Desk ) and Tier 2 (Escalation) support: problem identification, diagnosis, and ... resolution. + Optimize system operations and resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for improved reliability and performance. +… more
    ManTech (07/15/25)
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  • Modernization Cyber Systems Administrator - SA2

    Lockheed Martin (Hanover, MD)
    …to improve reliability and performance * Provide Tier 1 \( Help Desk \) and Tier 2 \(Escalation\) problem identification, diagnosis and resolution of ... problems * Optimize system operations and resource utilization, and perform system capacity analysis and planning * Provide support for the dispatch system and hardware problems and remains involved in the resolution process Knowledge or experience in the… more
    Lockheed Martin (07/12/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …and using IT systems + Provide Tier 1 ( Help Desk ) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems + Provide ... support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. + Provide support for the escalation and communication of status to agency management and… more
    CACI International (07/10/25)
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  • System Administrator ( All Levels)

    Lentech, Inc (Fort Meade, MD)
    …devices, mobile devices, etc. . Provides Tier 1 ( Help Desk ) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. . ... Provides support for the escalation and communication of status to agency management and internal customers. . Provides support for the dispatch system and hardware problems and remains involved in the resolution process. . Configures and manages UNIX and… more
    Lentech, Inc (07/08/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier I ( Help Desk ) and Tier II (Escalation) ... implementation, troubleshooting and maintenance of IT systems + Provide Tier I ( Help Desk ) problem...Unix, Windows or Cisco OS operating system + Two ( 2 ) years' experience administering Linux, Unix or Windows Operating… more
    Synergy ECP (07/29/25)
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  • System Administration - Tiered Support

    CACI International (Annapolis Junction, MD)
    …**Responsibilities:** As a System Administrator, your key responsibilities will include: + Tier 1 ( Help Desk ) support for problem identification, ... day-to-day operations of IT systems, provide tiered support (from Help Desk to Escalation), and ensure the...diagnosis, and resolution. + Tier 2 (Escalation) support for more complex… more
    CACI International (08/21/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …+ Manages the daily activities of configuration and operation of IT systems + Provides Tier 1 ( Help Desk ) problem identification, diagnosis and resolution of ... for this position is $120,000which includesa $10,000 sign-on bonus, $ 2 ,000 in reimbursable relocation expenses,plus a$1,200 annual compliance bonus!...of configuration and operation of IT systems + Provides Tier I ( Help Desk ) problem… more
    Assertive Professionals (06/26/25)
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