> Markdown version of [/jobs/ext/4003141-mainframe-ims-system-programmer](https://www.wearedevelopers.com/jobs/ext/4003141-mainframe-ims-system-programmer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe IMS System Programmer - **Company:** EXPERT RECRUITING SOLUTIONS, LLC - **Location:** Dallas, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Customer Information Control System (CICS), Databases, IBM DB2, Distributed Systems, IBM Parallel Sysplex, Job Control Language (JCL), Rexx (Programming Language), IBM Information Management System, Mainframes, Performance Tuning, IBM Resource Access Control Facility, Ansible, Subsystems, TCP/IP, Z/OS, Transaction Processing (Computing), Tso/ispf, Omegamon - **Published:** October 29, 2026 - **Apply:** https://www.thejobnetwork.com/job/b9cb9eee-9bb0-4b8b-9dcf-982f75d4312a/mainframe-ims-system-programmer ## About the Role * 7 plus years of IBM z/OS experience * Hands-on IMS DB and IMS TM administration * DBD, PSB, and ACB management * IMS control regions and transaction processing * Buffer pool tuning and performance optimization * IMS utilities, backup/recovery, and DR strategies * Troubleshooting logs, dumps, abends, and database errors * IMS integration with DB2, CICS, MQ, TCP/IP, and distributed systems * RACF security controls * SMP/E, JCL, TSO/ISPF, and SDSF * Sysplex and high-availability architecture experience * Willingness to work onsite three days per week Preferred Experience: * IMS modernization and API enablement * z/OS Connect and REST integration * OMEGAMON, MainView, or RMF * REXX, Ansible, or z/OSMF workflows * TCP/IP and Assembler routines * IMS routines and exit routines * DB Control experience ## Description * Responsible for supporting and managing IMS DB and IMS TM subsystems on IBM z/OS, ensuring stability, availability, performance, security, and integration in a mission-critical environment.