We are seeking an experienced Mainframe DB2 System Programmer to support, administer, maintain, and enhance enterprise DB2 for z/OS environments. The role is responsible for DB2 subsystem administration, version upgrades, patching, performance tuning, troubleshooting, disaster recovery support, and ensuring the stability, availability, and security of mission‑critical database platforms.

Key Responsibilities

• Install, configure, administer, and maintain IBM DB2 for z/OS subsystems and related database products.
• Plan and execute DB2 version upgrades, migrations, maintenance activities, fix packs, PTFs, APARs, and patching in line with enterprise change management processes.
• Perform DB2 subsystem customization, parameter management, zPARM updates, catalog maintenance, log management, and environment configuration.
• Monitor DB2 subsystem health, availability, capacity, and performance; identify issues proactively and implement corrective...