{"schemaVersion":"jobsearcher.job.v1","id":"acbe0bd797a1c0625199309a","url":"https://jobsearcher.com/jobs/acbe0bd797a1c0625199309a","canonicalUrl":"https://jobsearcher.com/jobs/acbe0bd797a1c0625199309a","title":"Mainframe z/OS Admin, Remote","description":"Job description:We are seeking a highly skilled z/OS System Administrator with deep technical expertise in IBM z/OS environments (2.2, 2.3) to support, maintain, and enhance enterprise mainframe systems. The ideal candidate will have strong experience in system builds, version upgrades, performance tuning, and Parallel Sysplex configuration.Location: Plano, TX (Remote)Key ResponsibilitiesAdminister and support IBM z/OS operating systems (OS 2.2, 2.3)Design, build, and configure LPAR environments within the mainframe infrastructurePerform z/OS version upgrades, installation of patches, and maintenance fixesInstall and maintain ISV (Independent Software Vendor) productsConfigure and manage z/OSMF (z/OS Management Facility)Maintain system parameters and PARMLIB membersImplement and monitor Workload Manager (WLM), RMF, and SMF settings for optimal performanceTroubleshoot and resolve z/OS-related incidents and performance issuesParticipate in Parallel Sysplex setup, tuning, and operational supportGenerate system performance reports and proactively recommend improvementsRequired Skills & Experience9+ years of experience in z/OS systems administrationStrong understanding of System z architectureHands-on experience with Parallel Sysplex, SMPE, RMF, SMF, WLMProven expertise in z/OSMF configuration and system builds/upgradesExcellent problem-solving and analytical skillsAbility to work independently and handle production-critical tasksBill rate: $65-$70/hr on CTCJob Type: ContractWork Location: Remote","company":"Cloud Rack Systems","rawCompany":"cloud rack systems","city":"Arlington","state":"TX","isRemote":true,"isActive":false,"createdAt":"2026-04-12T17:20:03.998Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe z/OS Admin, Remote","description":"Job description:We are seeking a highly skilled z/OS System Administrator with deep technical expertise in IBM z/OS environments (2.2, 2.3) to support, maintain, and enhance enterprise mainframe systems. The ideal candidate will have strong experience in system builds, version upgrades, performance tuning, and Parallel Sysplex configuration.Location: Plano, TX (Remote)Key ResponsibilitiesAdminister and support IBM z/OS operating systems (OS 2.2, 2.3)Design, build, and configure LPAR environments within the mainframe infrastructurePerform z/OS version upgrades, installation of patches, and maintenance fixesInstall and maintain ISV (Independent Software Vendor) productsConfigure and manage z/OSMF (z/OS Management Facility)Maintain system parameters and PARMLIB membersImplement and monitor Workload Manager (WLM), RMF, and SMF settings for optimal performanceTroubleshoot and resolve z/OS-related incidents and performance issuesParticipate in Parallel Sysplex setup, tuning, and operational supportGenerate system performance reports and proactively recommend improvementsRequired Skills & Experience9+ years of experience in z/OS systems administrationStrong understanding of System z architectureHands-on experience with Parallel Sysplex, SMPE, RMF, SMF, WLMProven expertise in z/OSMF configuration and system builds/upgradesExcellent problem-solving and analytical skillsAbility to work independently and handle production-critical tasksBill rate: $65-$70/hr on CTCJob Type: ContractWork Location: Remote","datePosted":"2026-04-12T17:20:03.998Z","dateModified":"2026-04-12T17:20:03.998Z","hiringOrganization":{"@type":"Organization","name":"Cloud Rack Systems","sameAs":"https://jobsearcher.com"},"jobLocationType":"TELECOMMUTE","applicantLocationRequirements":{"@type":"Country","name":"US"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Arlington","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"acbe0bd797a1c0625199309a"},"url":"https://jobsearcher.com/jobs/acbe0bd797a1c0625199309a"}}