• Senior Windows Server Systems Administrator

    Leidos (Bethesda, MD)
    …and integration, verification and validation, and fielding. + Provide technical support, administration , and monitoring of Microsoft Windows systems within a ... with hardening Windows environments + Significant experience with system administration of server operating systems such as...and the cloud ecosystem. * Experience operating and maintaining systems in a Linux environment * Certification… more
    Leidos (07/24/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …compliance with required security standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on experience with server ... consistent maintenance, configuration, and reliable operation of critical computer systems , network servers, and virtualization environments, upholding system stability… more
    ManTech (06/07/25)
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  • Senior Operating System Specialist - Sat/Sun…

    GovCIO (Annapolis, MD)
    …+ Provide day-to-day incident and deployment support of multiple server operating systems , including Unix, Linux , and Windows, which includes on-site and ... listed below, with a named specialty in **ONE or more skill areas:** **Unix/ Linux server administration ** - + Experience administering servers running the Unix… more
    GovCIO (08/02/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …minimum of twenty (20) years of related experience in systems administration or IT operations. + Experience with Linux , including installation, ... resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS… more
    ManTech (07/15/25)
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  • 271 - Senior Network Engineer

    ARSIEM (Annapolis Junction, MD)
    …of virtualized infrastructure, including multi-node and multi-site networks + Recent experience with Linux and Windows operating systems (command line a must) + ... you work with. ARSIEM is looking for a Network Systems Engineer . This position will support one of...+ Use Network Engineering, System Administrator, and command line Linux skills to maintain a full and robust multi-server… more
    ARSIEM (05/15/25)
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  • Data Center Engineer (Infrastructure/Cloud)

    KBR (Fulton, MD)
    …and integration for both physical and virtual infrastructure hosting one or more Operating Systems : Windows, Linux , Solaris, UNIX, and/or AIX systems . + ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.… more
    KBR (07/16/25)
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  • Senior Network Engineer - TS/SCI w/Poly

    Amentum (Annapolis Junction, MD)
    …infrastructure, to include multi-node and multi-site networks + Recent experience with Linux and Windows operating systems (command line a must) **Clearance ... network. **Responsibilities:** + Using Network Engineering, System Administrator, and command line Linux skills to maintain a full and robust multi-server network +… more
    Amentum (07/30/25)
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  • Principal Professional Services Engineer…

    Rocket Software (Annapolis, MD)
    …or Unidata is a plus. + Excellent working knowledge of underlying operating systems (Windows/ Linux /AIX) + Scripting experience in Windows/ Linux /AIX + ... platforms, transaction journaling, emulation settings, replication assistance and other administrative tasks with our MultiValue products. **Required Qualifications:** +… more
    Rocket Software (06/06/25)
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  • Security Incident Response

    Lincoln Financial (Annapolis, MD)
    …including but not limited to - host-based analysis functions through investigating Windows, Linux , and Mac OS X systems to identify suspicious and malicious ... activities. + Maintain expertise in Operating Systems (Windows/ Linux ) operations and artifacts to assist in investigations. + Ability to analyze different data… more
    Lincoln Financial (05/28/25)
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  • System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Information Technology (IT),Information Technology (IT) ... and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software,… more
    General Dynamics Information Technology (07/31/25)
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