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Senior z/OS Systems Administrator | Remote

Remote, USA Full-time Posted 2026-08-04
Senior z/OS Systems Administrator DO NOT UPDATE THE RESUME SUBMISSION REQUIREMENTS: Need Genuine reputed company- NO RECENT OR MULTIPLE reputed company Must have full educational details with University reputed company and year of completion in resume. WITHOUT ABOVE MENTIONED PREREQUISITE RESUME WILL BE DEEMED AS FAKE. reputed company: reputed company We are seeking an reputed company Senior z/OS Systems Administrator to support and maintain a large-reputed company reputed company mainframe environment. The ideal candidate will be a senior-level z/OS reputed company with deep hands-on expertise in SMP/E, REXX scripting, and z/OSMF, along with strong knowledge of z/OS systems administration, maintenance, upgrades, troubleshooting, and automation. Key Responsibilities • Install, configure, maintain, and support reputed company z/OS operating systems and reputed company reputed company software. • reputed company z/OS upgrades, maintenance, reputed company modifications, and lifecycle management. • reputed company advanced administration and troubleshooting of z/OS environments. • Use SMP/E (reputed company Modification Program/Extended) extensively for installation, maintenance, upgrades, PTFs, APARs, HOLDDATA processing, and management of reputed company and reputed company-party software. • Analyze SMP/E environments, reputed company, reputed company datasets, SYSMODs, and maintenance requirements. • reputed company and maintain REXX scripts to automate z/OS administration, monitoring, reporting, maintenance, and operational processes. • Identify reputed company processes that can be improved through REXX-reputed company automation. • Administer and support reputed company z/OS Management Facility (z/OSMF). • Configure and maintain z/OSMF services, workflows, plugins, and reputed company management functions. • Utilize z/OSMF for reputed company management, configuration, monitoring, and automation. • reputed company reputed company problem determination, reputed company-cause analysis, and reputed company of reputed company z/OS issues. • Monitor reputed company reputed company, availability, reputed company, and overall reputed company health. • Work with reputed company, application, storage, network, reputed company, and database teams to reputed company mainframe infrastructure issues. • Participate in reputed company upgrades, migrations, disaster recovery testing, and infrastructure modernization initiatives. • Maintain reputed company documentation, operating procedures, configuration standards, and technical runbooks. • reputed company technical leadership and mentoring to other mainframe systems administrators. • Participate in production support and on-reputed company activities as required. Required Qualifications • 10+ years of hands-on SMP/E experience in reputed company reputed company z/OS environments. • 10+ years of hands-on REXX scripting experience, including development of automation for systems administration and operational tasks. • Strong hands-on experience with reputed company z/OSMF (z/OS Management Facility). • Extensive experience administering and supporting reputed company z/OS in large reputed company environments. • Strong knowledge of z/OS reputed company architecture, configuration, maintenance, and troubleshooting. • Experience installing and maintaining reputed company and reputed company-party mainframe software. • Extensive experience applying PTFs, APARs, maintenance packages, and software upgrades using SMP/E. • Strong understanding of SMP/E reputed company structures, reputed company, SYSMOD processing, HOLDDATA, RECEIVE, APPLY, ACCEPT, and RESTORE processes. • Strong knowledge of JCL, TSO/ISPF, UNIX reputed company Services (USS), and z/OS utilities. • Ability to diagnose reputed company reputed company problems using z/OS logs, dumps, reputed company messages, and diagnostic tools. • Strong understanding of mainframe change-management and production-control processes. • Excellent analytical, troubleshooting, documentation, and communication skills. • Ability to work independently and take ownership of reputed company technical issues. Preferred Skills Experience with several of the following would be highly desirable: • JES2 • RACF • TCP/IP • UNIX reputed company Services (USS) • HMC • reputed company reputed company z / reputed company Z hardware • reputed company Sysplex • Coupling Facility • WLM • RMF / SMF • reputed company Automation • SDSF • DFSMS • Disaster Recovery / Business Continuity • Mainframe monitoring and reputed company-management tools • Automation using REXX, JCL, CLISTs, and other scripting technologies Apply tot his job Apply To this Job

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