• Senior IT Systems Administrator 1

    Applied Research Associates, Inc. (Warrendale, PA)
    …years of relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or regulated ... Linux Administration:** Design, provision, configure, and maintain our Linux server and workstation fleet (primarily Ubuntu/Debian)....at least five (5) years of experience in a senior Linux Systems Administrator role… more
    Applied Research Associates, Inc. (10/24/25)
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  • Senior Systems Administrator…

    NANA Regional Corporation (Albuquerque, NM)
    We are seeking an experienced Senior Systems Administrator - Server Operations Lead to support a mission-critical IT security program within a Federal ... required for consideration. + Minimum 3 years as a Senior Systems Administrator within the last 5...and virtualization best practices. + Multiple operating systems (Windows Server , Linux , etc.). + ITIL Certification (Required).… more
    NANA Regional Corporation (11/14/25)
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  • Senior Windchill Application…

    RTX Corporation (Tucson, AZ)
    …Systems & Transformation Technologist** . This candidate will be a ** Senior Windchill Application Administrator ** for a product data/lifecycle management ... and _diverse_ atmosphere under _limited supervision_ . As a ** Senior Windchill Application Administrator ** on our digital...patching, or major upgrades of multiple applications, Apache web server , Red Hat Linux operating system, Oracle… more
    RTX Corporation (11/18/25)
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  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    SCITES - Senior System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT Level II ... certification and one of the following: MCSA Server 2016, Azure Administrator AZ-104 , or...experience Position Description: Exeter Government Services is seeking a Senior Systems Administrator (SA) to work for… more
    Exeter Government Services, LLC (11/30/25)
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  • Senior Network and Computer Systems…

    NANA Regional Corporation (South Burlington, VT)
    We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT ... network and systems services used to support USCIS operations nationwide. As a senior -level administrator , you will provide technical leadership and oversight of… more
    NANA Regional Corporation (01/09/26)
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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. The ... Administration * Manage Azure services such as virtual machines (Windows & Linux ), storage accounts, virtual networks, identity, policies, and monitoring. * Oversee… more
    Insight Global (12/04/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career and customer-oriented ** Senior ** **Cloud System Administrator ** in Hanover, MD. The team delivers enterprise infrastructure ... Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of...of your program start date. + Proficiency in administering Linux operating systems. + Experience with Windows Server… more
    ManTech (12/24/25)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and experienced ... Senior UNIX Administrator to support operations at...(PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability,… more
    SMX (12/04/25)
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  • Senior Administrator , Systems…

    Intercontinental Exchange (ICE) (Atlanta, GA)
    Overview **Job Purpose** The Senior Systems Administrator is responsible for maintaining the availability, security, and performance of Windows and Linux ... response, troubleshooting, and resolving system performance and availability issues. The Senior Systems Administrator also assists in implementing automation and… more
    Intercontinental Exchange (ICE) (12/23/25)
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  • Senior Programmer/Analyst ( Senior…

    SUNY College of Environmental Science and Forestry (Syracuse, NY)
    …2025 Job Description: Budget Title: Senior Programmer/Analyst Campus Title: Senior Network Administrator Unit: Computing and Network Services Professional ... the position of Senior System Developer. The Senior Network Administrator ( Senior Programmer/Analyst)...IT-related field. + Working knowledge in the areas Windows Server and Unix/ Linux use/administration. + Experience setting… more
    SUNY College of Environmental Science and Forestry (10/31/25)
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