• System Administrator (SA2) with Poly

    Lockheed Martin (Annapolis Junction, MD)
    …and validation, cost and risk analysis, and sustainment\. Proficiency or exposure to Linux is a plus as many systems rely on Linux \-based environments ... day\-to\-day operations, monitoring and problem resolution for all of the client/ server /storage/network devices, mobile devices, etc\. Provides Tier 1 \(Help Desk\)… more
    Lockheed Martin (07/24/25)
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  • Operating System Specialist - Thurs/Fri Off Days

    GovCIO (Annapolis, MD)
    …listed below, with a named specialty in **ONE or more skill areas:** **Unix/ Linux server administration** - + Experience administering servers running the Unix ... solving complex technical problems for the USPS in the Linux Server and Virtual ESX environment. +...as the trainer and mentor to the other Windows Administrator position at various times. Work independently with a… more
    GovCIO (08/02/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    …and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration, and troubleshooting of both Linux and ... * Provide O/S hardening (STIG, OpenSCAP, ACAS) and system patching * Develop server builds for virtual and physical environments * Manage, maintain, configure, and… more
    Vexterra Group (07/15/25)
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  • System Engineer (TS/SCI)- Senior or Mid Level

    Vexterra Group (Bethesda, MD)
    …Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the National ... lieu of a degree + Experience supervising others + Background in Windows server setup, deployment and maintenance + Experience with hardening Windows environments +… more
    Vexterra Group (07/15/25)
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  • System Administration - Tiered Support

    CACI International (Annapolis Junction, MD)
    …highest standards of service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide ... variety of IT systems. We are seeking a qualified System Administrator to provide support for the implementation, troubleshooting, and maintenance of IT systems… more
    CACI International (05/22/25)
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  • SCCM and Intune Packaging Engineer

    CACI International (Forest Heights, MD)
    …+ Microsoft Endpoint Manager Specialist Certified + Microsoft 365: Modern Desktop Administrator Associate Certified + Autopilot experience + Linux experience + ... this role, you will work across endpoint management and server operations teams to ensure adherence to customer SLAs...long-term solutions. + Manage, troubleshoot, and maintain Windows and Linux servers, workstations, and laptops. + Work with and… more
    CACI International (08/08/25)
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  • Cloud Engineer

    GovCIO (Annapolis, MD)
    …AWS cloud technologies. + Demonstrated experience and understanding of Red Hat Enterprise Linux and Windows server administration in an AWS environment and/or ... **Overview** GovCIO is currently hiring for a Hybrid Remote Cloud Administrator to configure, deploy, refine, and administer AWS-based resources using both Microsoft… more
    GovCIO (08/02/25)
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  • Lead IT Infrastructure Engineer

    Lumen (Annapolis, MD)
    …the future. **The Role** The role of this position is to serve as a Linux and virtual infrastructure system administrator , for both on-premise and cloud based ... weeks. **The Main Responsibilities** + Provide day-to-day support/administration of OS ( Linux /Unix) and associated infrastructure + Will provide support directly to… more
    Lumen (07/15/25)
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  • .NET/Oracle Developer

    CACI International (Hanover, MD)
    Server , MySQL) + Relevant certification such as IBM Certified Database Administrator - DB2, Microsoft SQL Server database certification, Oracle Certified ... multiple priorities + Familiarity with common operating systems (Windows, macOS, Linux ) **_Desired:_** + Prior Database Administration experience (2-4 years. + Prior… more
    CACI International (06/11/25)
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  • Senior Network Engineer - TS/SCI w/Poly

    Amentum (Annapolis Junction, MD)
    …health of a customer network. **Responsibilities:** + Using Network Engineering, System Administrator , and command line Linux skills to maintain a full ... to include multi-node and multi-site networks + Recent experience with Linux and Windows operating systems (command line a must) **Clearance Required:**… more
    Amentum (07/30/25)
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