{"schemaVersion":"jobsearcher.job.v1","id":"26890f7fca3ac44e703e5744","url":"https://jobsearcher.com/jobs/26890f7fca3ac44e703e5744","canonicalUrl":"https://jobsearcher.com/jobs/26890f7fca3ac44e703e5744","title":"Mainframe z/OS System Programmer","description":"Job Description Minimum 10+ years of hands-on technical experience as a Mainframe z/OSPrior experience working in a large Mainframe setup of minimum 5,000 MIPS and above.Manage BAU (Business As Usual) Service Delivery for Mainframe OSHands on experience on ISV tools Installation, upgrade, migration for various vendor productsHands on experience for CA-ACF2 upgrade and Sailpoint-ACF2 integrationThis is for a pure Technical Hands-On role and not for a Team Lead PositionWork on Daily Basis with Client/Customer Mainframe OS-Storage SMEs/PeersWork on MI (Major Incidents) / P1 (Priority-1) and lesser Tickets as a part of BAU SupportWork on Problem/RCA and Change/CMR Tickets during the weekends.Provide 24 x 7 ON-CALL support as is the norm in BAU Service Delivery RoleSupport Mainframe Projects (HW Upgrade, OS Upgrade, ISV Products upgrade etc…) as per needs.Ensure Mainframe System Availability @ 99.99% and work towards meeting agreed SLAsHands-on experience with z15/z16 Mainframe HW and Sysplex Setup• z/OS v2.x,v3.x, JES2, DFSMS, VTAM, RACF/ACF2, TCP/IP, OMVS, RMF/SMF• SMP/E, various ISV products, UserMods and Exits.• IPL/POR procedures, various Mainframe Consoles• Mainframe Tools – OMEGAMON, TEPS, Netview, SIEM• Assembler, REXX, JCL and CA-OPS/MVS Automation• IODF/IOCDS, HCD/HCM• Mainframe Capacity Planning and Performance Tuning• PARMLIB and PROCLIB concatenation, Memory Regions customization and maintenance• Experience in Disaster Recovery setup and conducting DR drills.• Experience in Mainframe MIPS Optimization, Software rationalization• Experience with parallel sysplex environment and managing couple datasets• Experience with OPSMVS automation tool","company":"KPG","rawCompany":"kpg99","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-10-19T10:50:03.817Z","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":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe z/OS System Programmer","description":"Job Description Minimum 10+ years of hands-on technical experience as a Mainframe z/OSPrior experience working in a large Mainframe setup of minimum 5,000 MIPS and above.Manage BAU (Business As Usual) Service Delivery for Mainframe OSHands on experience on ISV tools Installation, upgrade, migration for various vendor productsHands on experience for CA-ACF2 upgrade and Sailpoint-ACF2 integrationThis is for a pure Technical Hands-On role and not for a Team Lead PositionWork on Daily Basis with Client/Customer Mainframe OS-Storage SMEs/PeersWork on MI (Major Incidents) / P1 (Priority-1) and lesser Tickets as a part of BAU SupportWork on Problem/RCA and Change/CMR Tickets during the weekends.Provide 24 x 7 ON-CALL support as is the norm in BAU Service Delivery RoleSupport Mainframe Projects (HW Upgrade, OS Upgrade, ISV Products upgrade etc…) as per needs.Ensure Mainframe System Availability @ 99.99% and work towards meeting agreed SLAsHands-on experience with z15/z16 Mainframe HW and Sysplex Setup• z/OS v2.x,v3.x, JES2, DFSMS, VTAM, RACF/ACF2, TCP/IP, OMVS, RMF/SMF• SMP/E, various ISV products, UserMods and Exits.• IPL/POR procedures, various Mainframe Consoles• Mainframe Tools – OMEGAMON, TEPS, Netview, SIEM• Assembler, REXX, JCL and CA-OPS/MVS Automation• IODF/IOCDS, HCD/HCM• Mainframe Capacity Planning and Performance Tuning• PARMLIB and PROCLIB concatenation, Memory Regions customization and maintenance• Experience in Disaster Recovery setup and conducting DR drills.• Experience in Mainframe MIPS Optimization, Software rationalization• Experience with parallel sysplex environment and managing couple datasets• Experience with OPSMVS automation tool","datePosted":"2026-10-19T10:50:03.817Z","dateModified":"2026-10-19T10:50:03.817Z","hiringOrganization":{"@type":"Organization","name":"KPG","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"26890f7fca3ac44e703e5744"},"url":"https://jobsearcher.com/jobs/26890f7fca3ac44e703e5744"}}