Mainframe IMS System Programmer

About the role

We are seeking an experienced Mainframe IMS System Programmer to support, maintain, and optimize IBM z/OS IMS DB and IMS TM environments in a mission-critical banking or financial services environment.

The ideal candidate will have strong expertise in IMS system administration, performance tuning, system maintenance, troubleshooting, and high-availability architectures.

Tasks

• Install, configure, maintain, and upgrade IMS DB and IMS TM subsystems on IBM z/OS.
• Manage IMS system definitions, including DBDs, PSBs, ACB libraries, and control regions.
• Perform buffer pool tuning, system optimization, and performance monitoring.
• Troubleshoot system issues using logs, dumps, and abend analysis.
• Support IMS utilities, backup and recovery, and disaster recovery testing.
• Integrate IMS with DB2, CICS, MQ, TCP/IP, and Sysplex environments.
• Implement change management processes using ITIL and ServiceNow.
• Maintain system documentation and ensure system stability, availability, and security.

Requirements

• 7+ years of experience with IBM z/OS.
• Hands-on experience with IMS DB and IMS TM administration.
• Strong knowledge of DBD/PSB/ACB management and IMS control regions.
• Experience in buffer pool tuning and performance optimization.
• Knowledge of IMS utilities, backup/recovery, and disaster recovery strategies.
• Strong troubleshooting skills, including dump analysis, log analysis, and abend resolution.
• Experience integrating IMS with DB2, CICS, MQ, and distributed systems.
• Familiarity with RACF security, SMP/E, JCL, TSO/ISPF, and SDSF.
• Understanding of Sysplex and high-availability architectures.
• Candidates willing to relocate to the Phoenix, AZ area will be considered.
• H-1B and H-4 EAD candidates are welcome to apply.

Schedule

• Hybrid – Onsite 3 Days a Week

Location

• Phoenix, AZ