{"schemaVersion":"jobsearcher.job.v1","id":"6ad285f8b00e503f859623a9","url":"https://jobsearcher.com/jobs/6ad285f8b00e503f859623a9","canonicalUrl":"https://jobsearcher.com/jobs/6ad285f8b00e503f859623a9","title":"Mainframe z/OS System Programmer","description":"*URGENT HIRING – Mainframe z/OS System Programmer*\n\n*Location:* Phoenix, AZ / Plano, TX / Charlotte, NC\n*Work Model:* Hybrid – 3 Days/Week Onsite\n*Experience:* 10+ Years\n*Work Authorization:* Any Visa\n\nTop Skills\n\n* *IBM z/OS System Programming & Administration*\n* *z/OS Installation, Upgrades, Maintenance & IPL*\n* *JES2/JES3, PARMLIB, PROCLIB & System Initialization*\n* RMF, SMF & SDSF Performance Monitoring\n* RACF / System Security & Compliance\n* TSO/E, ISPF & USS\n* System REXX / CLIST\n* SA z/OS / NetView\n* CA7 / Control-M\n* ITIL / Change & Release Management\n\nResponsibilities\n\n* Install, configure, maintain, and optimize *IBM z/OS operating systems* supporting mission-critical enterprise environments.\n* Perform z/OS upgrades, migrations, and maintenance including *PTFs, APARs, and RSUs*.\n* Manage IPL processes, system initialization, PARMLIB, PROCLIB, and SYS1 datasets.\n* Monitor system health and performance using *RMF, SMF, and SDSF*.\n* Install, configure, and support JES2/JES3, TSO/E, ISPF, USS, and system-level services.\n* Collaborate with DB2, CICS, IMS, MQ, Storage, and Security teams for integrated mainframe support.\n* Analyze system performance and implement tuning and resource optimization improvements.\n* Support capacity planning across CPU, memory, and I/O resources.\n* Diagnose system abends, failures, outages, and other complex system-level issues.\n* Perform root cause analysis and coordinate with IBM and technology vendors for problem resolution.\n* Develop and maintain automation using *System REXX, CLIST, SA z/OS, and NetView*.\n* Support job scheduling tools such as CA7 and Control-M where applicable.\n* Support RACF-aligned security configurations, vulnerability remediation, patching, and compliance requirements.\n* Execute changes through ITIL-based processes and prepare implementation, backout, and validation plans.\n* Support weekend maintenance windows and IPL activities.\n* Maintain system configuration documentation, SOPs, and Disaster Recovery plans.\n\nPreferred Experience\n\n* Mainframe automation and scheduling\n* RACF & Enterprise Security\n* Disaster Recovery / High Availability\n* ServiceNow or equivalent ITSM tools\n* IBM z/OS system software and subsystem integration\n* Large-scale z/OS upgrades and migrations\n* Performance and capacity management\n\nPay: $45.00 - $48.00 per hour\n\nExpected hours: 40.0 per week\n\nWork Location: Hybrid remote in Phoenix, AZ 85071","company":"Compestsolutionsinc","rawCompany":"compestsolutionsinc","city":"Phoenix","state":"AZ","isRemote":false,"isActive":false,"createdAt":"2026-09-18T10:57:45.854Z","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 System Programmer","description":"*URGENT HIRING – Mainframe z/OS System Programmer*\n\n*Location:* Phoenix, AZ / Plano, TX / Charlotte, NC\n*Work Model:* Hybrid – 3 Days/Week Onsite\n*Experience:* 10+ Years\n*Work Authorization:* Any Visa\n\nTop Skills\n\n* *IBM z/OS System Programming & Administration*\n* *z/OS Installation, Upgrades, Maintenance & IPL*\n* *JES2/JES3, PARMLIB, PROCLIB & System Initialization*\n* RMF, SMF & SDSF Performance Monitoring\n* RACF / System Security & Compliance\n* TSO/E, ISPF & USS\n* System REXX / CLIST\n* SA z/OS / NetView\n* CA7 / Control-M\n* ITIL / Change & Release Management\n\nResponsibilities\n\n* Install, configure, maintain, and optimize *IBM z/OS operating systems* supporting mission-critical enterprise environments.\n* Perform z/OS upgrades, migrations, and maintenance including *PTFs, APARs, and RSUs*.\n* Manage IPL processes, system initialization, PARMLIB, PROCLIB, and SYS1 datasets.\n* Monitor system health and performance using *RMF, SMF, and SDSF*.\n* Install, configure, and support JES2/JES3, TSO/E, ISPF, USS, and system-level services.\n* Collaborate with DB2, CICS, IMS, MQ, Storage, and Security teams for integrated mainframe support.\n* Analyze system performance and implement tuning and resource optimization improvements.\n* Support capacity planning across CPU, memory, and I/O resources.\n* Diagnose system abends, failures, outages, and other complex system-level issues.\n* Perform root cause analysis and coordinate with IBM and technology vendors for problem resolution.\n* Develop and maintain automation using *System REXX, CLIST, SA z/OS, and NetView*.\n* Support job scheduling tools such as CA7 and Control-M where applicable.\n* Support RACF-aligned security configurations, vulnerability remediation, patching, and compliance requirements.\n* Execute changes through ITIL-based processes and prepare implementation, backout, and validation plans.\n* Support weekend maintenance windows and IPL activities.\n* Maintain system configuration documentation, SOPs, and Disaster Recovery plans.\n\nPreferred Experience\n\n* Mainframe automation and scheduling\n* RACF & Enterprise Security\n* Disaster Recovery / High Availability\n* ServiceNow or equivalent ITSM tools\n* IBM z/OS system software and subsystem integration\n* Large-scale z/OS upgrades and migrations\n* Performance and capacity management\n\nPay: $45.00 - $48.00 per hour\n\nExpected hours: 40.0 per week\n\nWork Location: Hybrid remote in Phoenix, AZ 85071","datePosted":"2026-09-18T10:57:45.854Z","dateModified":"2026-09-18T10:57:45.854Z","hiringOrganization":{"@type":"Organization","name":"Compestsolutionsinc","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Phoenix","addressRegion":"AZ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6ad285f8b00e503f859623a9"},"url":"https://jobsearcher.com/jobs/6ad285f8b00e503f859623a9"}}