The role requires strong technical expertise in CICS system programming, problem determination, performance management, disaster recovery, automation, and integration with other mainframe subsystems such as Db2, MQ, IMS, and RACF.
- Install, configure, maintain, and upgrade IBM CICS Transaction Server environments.
- Perform CICS version upgrades, maintenance, RSU/PTF implementation, and SMP/E-related activities.
- Monitor and tune CICS regions to ensure optimal performance, availability, and capacity management.
- Analyze CICS performance metrics using tools such as OMEGAMON, SYSVIEW, RMF, and SMF records.
- Troubleshoot system issues, storage violations, hangs, loops, abends, and performance bottlenecks.
- Perform dump analysis using IPCS and related diagnostic tools (Optional)
- Configure and maintain CICSPlex SM, WLM definitions, CTG, CPSM, and CICS Explorer.
- Create and maintain CICS resource definitions (PCT, PPT, FCT, TCPIPSERVICE, URIMAP, etc.).
- Support CICS integrations with Db2, MQ, IMS, Web Services, and z/OS Connect.
- Participate in incident, problem, change, and release management activities.
- Develop automation solutions using REXX, CLIST, System Automation, or CICSPlex RTA.
- Support Disaster Recovery planning, testing, and execution.
- Maintain operational documentation, standards, runbooks, and best practices.
- Provide technical mentoring and guidance to junior system programmers.
- Participate in 24x7 on-call support and critical production activities.