IMS system programmer

Responsibilities

• Install, configure, and maintain IMS DB and IMS TM subsystems on IBM z/OS
• Perform version upgrades, maintenance, and patching to ensure system currency and stability
• Manage and maintain IMS system definitions, including DBDs, PSBs, ACB libraries, and control regions
• Configure and tune buffer pools, parameters, and system resources to optimize performance
• Maintain accurate technical documentation and system configurations
• Support seamless integration with z/OS, DB2, MQ, CICS, TCP/IP, and Sysplex environments
• Implement and follow ITIL/ServiceNow change management processes for all system updates
• Troubleshoot and resolve system issues by analyzing logs, dumps, abends, and database errors
• Support IMS utilities, backup/recovery processes, and disaster recovery testing
• Collaborate with a diverse group of talented people and gain valuable management and organizational skills

Requirements

• 7+ years of experience with IBM z/OS operating system
• Hands-on experience with IMS DB and IMS TM administration
• Deep knowledge of: DBD/PSB/ACB management, IMS control regions and transaction processing, buffer pool tuning and performance optimization
• Strong troubleshooting skills (dump analysis, log analysis, abend resolution)
• Experience integrating IMS with: DB2, CICS, MQ, and distributed systems
• Familiarity with RACF security controls for IMS environments
• Understanding of Sysplex and high availability architectures

Preferred Experience

• Exposure to IMS modernization or API enablement (z/OS Connect, REST integration)
• Experience with monitoring tools (e.g., OMEGAMON, MainView, RMF)
• Knowledge of automation tools (REXX, Ansible, z/OSMF workflows)
• Experience with DB control, TCPIP, ZOS Connect, Assembler routines
• Experience with IMS Routines & Exit Routines