Key Responsibilities
· Architecture and Engineering: Design, implement, and maintain complex IBM IMS DB/DC environments, control regions, message processing regions (MPR), batch message processing (BMP), and supporting z/OS infrastructure to meet rigorous enterprise availability (99.999%) and performance standards.
· Performance Tuning and Diagnostics: Monitor IMS system performance using tools such as OMEGAMON for IMS, SYSVIEW, and IMS Performance Analyzer. Analyze system dumps, trace logs, log records (such as 01/02 log records), and abends, and perform deep-dive troubleshooting to resolve complex database deadlocks, resource contention, and storage bottlenecks.
· Security and Compliance: Ensure all IMS configurations and database access controls comply with strict financial regulatory standards and corporate security policies, collaborating with RACF/ACF2 administrators for secure resource definition, PSB/DBD security, and user access control. Proactively identify and remediate security vulnerabilities in the IMS workplace.
· Integration and Connectivity:



Manage and optimize connectivity between IMS and other enterprise tiers, including DB2, CICS, IBM MQ, TCP/IP, and modern web services/APIs for cross-platform channel integration.
· Upgrades and Maintenance: Plan and execute z/OS and IMS software maintenance, PTF implementations, database reorganizations (REORG), migrations, and regular health checks with minimal disruption to production workloads.
· L3 Support and Mentorship: Act as the ultimate escalation point (Level 3) for major incident management, providing root-cause analysis (RCA) and sharing domain knowledge with junior systems programmers and operations teams. Foster a collaborative, inclusive team culture and actively mentor team members to build technical depth across the group.
· Stakeholder and Vendor Coordination: Liaise with application development teams, business stakeholders, and third-party software vendors to coordinate complex change implem

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