IMS for z/OS
Strong knowledge of IMS Database Manager, DBD source and generation, understanding of Database Recovery Control [DBRC] information and commands, BMP and basic DL/I coding imbedded in COBOL source.
Familiarity with IMS Transaction Manager, including basic control region and message region processing, PSB coding and generation, and ACB, MODBLKS, and FORMAT generation. FORMAT coding is a plus, but not required. A basic knowledge of Control Region commands for monitoring Sub-systems, Regions, Databases, and Transaction Queues is required.
Robust working knowledge of HALDB partitioning schemes and underlying structures. Ability to backup and restore and maintain partitions.
Familiarity with IMS Utility JCL, execution, restart, commands for Database allocation changes,



and IMS Database backup and recovery techniques.
Responsible for the administration, maintenance, performance, and availability of IMS databases in a mainframe workplace.
Manage and maintain IMS Full Function and Quick Path databases
Create and modify DBD (Database Description) and PSB (Program Specification Block)
Perform Backup & Recovery Management
Plan and execute database reorganization activities
Monitor IMS performance metrics (I/O, buffer pools, response time)
Expertise in IMS utilities: DFSUDMP0 (Dump),DFSUCUM0 (Change Utility) & Image copy utilities

📌 Integrated Management System Database Administrator Chennai
🏢 JUMBO CONSULTANTS
📍 Chennai