• Sr. Principal SharePoint and Exchange

    RTX Corporation (Plano, TX)
    …a security clearance​ **Security Clearance:** DoD Clearance: Top Secret **SharePoint and Exchange System Administrator - P4 Plano, TX. Must have active Top-Secret ... infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...needs. + Plan, design, and implement changes to Microsoft Exchange Server + Exchange administration to include… more
    RTX Corporation (07/09/25)
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  • Systems Administrator III - Pipeline…

    COMSO, Inc (San Antonio, TX)
    Systems Administrator III - PIPELINE (TS/SCI w/ POLYGRAPH) San Antonio, TX (http://maps.google.com/maps?q=San+Antonio+TX+USA+78251) Description COMSO, Inc. is a ... systems enhancements to improve reliability and performance. The Level 3 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (07/22/25)
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  • Sr. Systems Administrator

    Robert Half Technology (Houston, TX)
    Description SCOPE: We are seeking an experienced and solutions-oriented Senior Systems Administrator to join our IT Operations team. This is a hands-on, Tier-3 ... of administrators to maintain the health, scalability, and security of our core systems . TYPICAL DUTIES AND RESPONSIBILITIES: + Serve as the escalation point for… more
    Robert Half Technology (08/09/25)
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  • Systems Administrator

    Robert Half Technology (Midland, TX)
    Description Our client is currently seeking a System Administrator reporting to the Sr. Infrastructure Manager in Midland, Texas. This position will be responsible ... (5) years of experience with Microsoft 365 environments - Microsoft Teams, Exchange , OneDrive, SharePoint * Experience with PKI, Certificate Authority, public DNS… more
    Robert Half Technology (06/14/25)
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  • Systems Engineer / System…

    Straight Edge Technology, Inc. (Frisco, TX)
    …member that is excited about working at an MSP More specifically, we need a System Administrator that is Humble, Hungry, and Smart! Do you want to work at a Security ... close issues and solve problems. So, what does a Systems Engineer do? We are looking for a ...Support services for Microsoft related technologies: Windows Server, Azure, Exchange , SQL, SharePoint, etc. + Implement and support disaster… more
    Straight Edge Technology, Inc. (06/07/25)
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  • Linux Unix Systems Administrator

    Lumen (Austin, TX)
    …digitally connect the world and shape the future. **The Role** As the Linux/Unix Systems Administrator , you will be responsible for managing and maintaining the ... Voice Core Engineering and Test Teams' Linux and Unix-based systems . Your primary focus will be on ensuring the...you encounter any job offers that request payment in exchange for employment at Lumen, they are not for… more
    Lumen (08/13/25)
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  • Systems Administrator

    Robert Half Technology (San Antonio, TX)
    Description We are looking for a skilled Systems Administrator to join our team in San Antonio, Texas. This is a Contract-to-permanent position, offering the ... provisioning, configuration, patching, and maintenance of hardware, software, and storage systems . * Manage and support Windows Active Directory, ensuring the… more
    Robert Half Technology (08/09/25)
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  • T2, System Administrator

    Centre Technologies (Houston, TX)
    …we are expanding and looking to grow our team with a new System Administrator ! Our Company Culture: Our diverse workforce allows Centre to develop and leverage ... with opportunities to grow professionally Position Summary The role of System Administrator will enable a qualified candidate to manage several IT environments… more
    Centre Technologies (05/23/25)
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  • System Administrator

    Nelnet (Austin, TX)
    …authentication + Support and maintain internal applications such as Dynamic Forms for Exchange + Ensure systems are secure, compliant, and documented according ... and work. We are looking for a skilled System Administrator to support and maintain critical technology infrastructure and...DKIM, SPF, and other email security protocols on Microsoft Exchange + Maintain and update DNS records across internal… more
    Nelnet (08/08/25)
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  • Network Administrator

    Public Storage (Plano, TX)
    …on the New York Stock Exchange . **Job Description** The **Network Administrator ** will design voice and data communication systems , supervise installation of ... and assist in day-to-day operations and administration of networks, security systems and Windows environment. Define and document user requirements, design/recommend… more
    Public Storage (06/21/25)
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