• Senior Systems Engineer

    Saint Francis Health System (Tulsa, OK)
    …**to login and apply.** Full Time Job Summary: The Senior Systems Engineer is responsible for determining requirements, ... Virtual Desktop platforms, Citrix or VMware. In-depth understanding of Windows and Linux operating systems ; Including management and operational tools (AD, GPO,… more
    Saint Francis Health System (11/11/25)
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  • Senior Systems Administrator…

    NANA Regional Corporation (Albuquerque, NM)
    …to hypervisor environments. + Work with multiple operating systems (Windows, Linux , etc.) to maintain system interoperability. + Security & Compliance ... We are seeking an experienced Senior Systems Administrator - Server Operations...administration and virtualization best practices. + Multiple operating systems (Windows Server, Linux , etc.). + ITIL… more
    NANA Regional Corporation (11/14/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Systems Cloud Administrator with strong experience in Microsoft Azure, Windows Server administration , and Linux systems within hybrid cloud environments. ... Skills and Requirements * 5+ years of experience in System Engineering or Administration in an enterprise...environments * Provide hands on support and diagnosis for Linux systems , including troubleshooting OS issues, performance… more
    Insight Global (12/04/25)
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  • Senior SCADA Systems Engineer…

    Nammo Defense Systems, Inc (Mesa, AZ)
    Senior SCADA Systems Engineer - Operational Technology Nammo Defense Systems , Inc., a defense contractor, is the primary USA operation of the Nammo Group ... composite aerospace structures. JOB OVERVIEW: We are seeking a Senior SCADA & Data Systems Engineer to...* Proven experience with Ignition SCADA (or equivalent SCADA systems ). * Strong background in SQL Server administration more
    Nammo Defense Systems, Inc (01/09/26)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Broomfield, CO)
    …principles into ground-up builds and ongoing security administration . + Integrate Linux and Windows systems within a unified IDM/Active Directory Domain and ... domains in the interest of national security. Job Title: Senior Specialist, Cyber Infrastructure Systems Engineer Job...with a solid understanding of basic networking principles and Linux administration . This role requires a hands-on… more
    L3Harris (12/26/25)
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  • Senior System Integrator Engineer…

    Vexterra Group (Bethesda, MD)
    Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following systems support in Reston VA or Bethesda, MD office: ... and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration , and troubleshooting of both Linux more
    Vexterra Group (01/13/26)
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  • Senior System Administrator

    RTX Corporation (Tucson, AZ)
    …integrity of our systems and support IT infrastructures around the world. ** Senior System Administrator** , internally known as Senior Analyst, ... solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise … more
    RTX Corporation (12/29/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    system administration , and information assurance support for combat system interface simulation, test, analysis, and training systems associated with ... and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat ..., LINUX operating systems , CISCO Systems , computer security program administration , and … more
    SimIS Inc. (11/06/25)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate ... for transformative change. **Responsibilities:** The duties and responsibilities of the Senior Information System Security Engineer (ISSE) include, but are… more
    Amentum (12/05/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …your program start date. + Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active ... MANTECH seeks a motivated, career and customer-oriented ** Senior ** **Cloud System Administrator** in Hanover,...support for Windows Server 2022 environments, Windows 10/11 client systems , and various Linux distributions (eg, Rocky,CentOS,… more
    ManTech (12/24/25)
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