• Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides support for ... implementation, troubleshooting and maintenance of IT systems . Manages IT system infrastructure and any processes related to these systems . Provides support to… more
    Belay Technologies (11/19/25)
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  • Senior Systems Administrator…

    Huntington Ingalls Industries (Hanover, MD)
    …Diploma or equivalent and 10 years relevant experience. + Strong proficiency in Linux administration (eg Red Hat, CentOS, Ubuntu) + Experience with ... Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies...ideal candidate will have a strong background in system administration and be part of a small team of… more
    Huntington Ingalls Industries (11/25/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …create a safer, more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... environment. + Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server...complexity to include the integration of hardware and operating systems (OS). + Must be able to obtain Department… more
    RTX Corporation (11/13/25)
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  • Sr. Specialist, System Administration

    L3Harris (Fort Wayne, IN)
    …- and have every other Friday off Job Description: We are seeking an experienced Senior Linux System Administrator to join our dynamic IT team. The ideal ... interest of national security. Job Title: Sr. Specialist, System Administration Job Code: 30825 Job Location: Fort Wayne, IN...candidate will have a deep understanding of Linux systems , including advanced skills in kickstarting,… more
    L3Harris (11/06/25)
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  • Senior Cloud Systems Engineer…

    St. George Tanaq Corporation (Suitland, MD)
    …Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI) Operating Systems : Linux /Unix (Ubuntu, CentOS, Red Hat) Windows Server administration Infrastructure ... Senior Cloud Systems Engineer (Identity Management Domain Services) WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time… more
    St. George Tanaq Corporation (11/18/25)
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  • Senior Systems Administrator

    Oracle (Pierre, SD)
    …and administration . + At least 5 years' experience supporting a Linux environment. + Experience handling production systems running Windows Server OS, ... around the world who provide patient care. As a Systems Analyst III, your primary task will be to...Time. + Good Knowledge and hands on experience with Linux / Unix(command-line) and SQL + Familiar with Relational database… more
    Oracle (11/25/25)
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  • Information Systems Senior Manager

    General Dynamics Information Technology (Washington, DC)
    …evolve the IT Systems for the Department of Energy, National Nuclear Security Administration . **HOW AN IT SYSTEMS MANAGER WILL MAKE AN IMPACT:** + Manages ... + Demonstrated ability to maintain accounts, security, workflows, and secure systems connectivity + Effective administrative and organizational skills +… more
    General Dynamics Information Technology (11/25/25)
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  • Senior Systems Engineer

    SOLUTE Careers (Pope, MS)
    Sigma Defense is seeking a Senior Systems Engineer willing to tackle complex technical issues in a collaborative environment. Supporting the organization to ... and Linux ). + Troubleshoot and resolve infrastructure issues on Windows and Linux systems for services such as Active Directory, DHCP, DNS, Group Policy… more
    SOLUTE Careers (09/26/25)
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  • IT Services Administration

    Fiserv (Lincoln, NE)
    …and work support troubleshooting tickets + Oversee the administration and support of Linux and Microsoft Windows systems , as well as IIS and Apache + Manage ... Administration **About your role:** The IT Services Management Senior Professional will be joining our Financial Institutions Group,...that would be great to have:** + Windows and/or Linux System Administration experience + AWS Cloud… more
    Fiserv (11/05/25)
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  • Senior Information Systems Security…

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Our cybersecurity team is seeking a ** Senior ** **Information Systems Security Officer (ISSO) II** to support our team ... You Will Do** + Cybersecurity sustainment activities (hardware change administration , software change administration , account overseeing, media protection,… more
    RTX Corporation (11/12/25)
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