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Mainframe IMS System Programmer

*URGENT HIRING – Mainframe IMS System Programmer* *Location:* Phoenix, AZ / Plano, TX / Charlotte, NC *Work Model:* Hybrid – 3 Days/Week Onsite *Experience:* 10+ Years *Work Authorization:* Any Visa Top Skills * *IBM IMS DB & IMS TM Administration* * *IMS System Definitions – DBD, PSB, ACB & Control Regions* * *IMS Performance Tuning & Troubleshooting* * IMS Utilities, Backup/Recovery & Disaster Recovery * z/OS, DB2, CICS, MQ & Sysplex Integration * SMP/E, JCL, TSO/ISPF & SDSF * RACF Security Controls Responsibilities * Install, configure, maintain, and support *IMS DB and IMS TM* subsystems on IBM z/OS. * Perform IMS version upgrades, maintenance, patching, and system updates. * Manage IMS system definitions including *DBDs, PSBs, ACB libraries, and control regions*. * Configure and tune buffer pools, system parameters, and resources to optimize performance. * Monitor IMS database and transaction performance and proactively resolve bottlenecks. * Troubleshoot complex IMS issues by analyzing logs, dumps, abends, and database errors. * Support IMS utilities, backup/recovery processes, and Disaster Recovery testing. * Ensure integration with *z/OS, DB2, MQ, CICS, TCP/IP, and Sysplex* environments. * Support RACF security controls for IMS environments. * Execute system changes through *ITIL/ServiceNow* change management processes. * Maintain accurate technical documentation and system configurations. Preferred Experience * IMS modernization / API enablement * z/OS Connect & REST integrations * OMEGAMON / MainView / RMF * REXX, Ansible & z/OSMF workflows * DB Control / TCP/IP * Assembler routines * IMS Routines & Exit Routines * High Availability / Sysplex environments Pay: $45.00 - $48.00 per hour Expected hours: 40.0 per week Work Location: Hybrid remote in Phoenix, AZ 85070