Position: Mainframe z/OS System Programmer Location: Phoenix Metro, AZ Work Model: Hybrid (3 days onsite per week) Relocation: Candidates willing to relocate will be considered Client/End Client: Kyndryl / Bank of America Role Summary: Seeking a highly skilled Mainframe z/OS System Programmer responsible for the installation, customization, maintenance, troubleshooting, performance optimization, and security support of IBM z/OS and associated system software. Key Responsibilities: – z/OS Administration: Install, configure, maintain, and upgrade IBM z/OS; perform version upgrades and migrations; apply PTFs, APARs, and RSUs; manage IPL processes and system initialization; maintain PARMLIB, PROCLIB, and SYS1 datasets; monitor system health using RMF, SMF, and SDSF. – Subsystem Support: JES2/JES3, TSO/E, ISPF, USS, RACF, DB2, CICS, IMS, MQ, Storage. – Performance & Capacity: Analyze CPU, memory, and I/O utilization; perform system-level tuning; support capacity planning; evaluate CPU/MIPS growth and hardware upgrades. – Problem Management: Diagnose system abends and failures; perform root-cause analysis; work with IBM and vendors on problem resolution. – Automation: System REXX, CLIST, SA z/OS, NetView, CA7 / Control-M. – Change Management: Support ITIL/ServiceNow processes; prepare implementation/backout plans; support weekend maintenance and IPL activities. Required Experience: – Strong IBM z/OS System Programming experience. – z/OS installation, maintenance, upgrades, and troubleshooting. – JES2/JES3, TSO/ISPF, USS, PARMLIB/PROCLIB. – IPL and system initialization. – RMF/SMF/SDSF and PTF/APAR/RSU maintenance. – Strong JCL and mainframe troubleshooting skills. Preferred Skills: – SA z/OS / NetView, REXX/CLIST, CA7/Control-M. – RACF and Sysplex. – Banking/financial-services industry experience. Bobby bobby@openboxsolutions.com Contact Information Email: bobby@openboxsolutions.com Click the email address to contact the job poster directly. Related Table of Contents (adsbygoogle = window.adsbygoogle || []).push({}); Toggle Contact Information Related