Mainframe IMS System Programmer
Keen Technology Solutions LLC · Phoenix, AZ · 1 wk ago
Information TechnologyFull-time
About the role
We are seeking a highly skilled Mainframe IMS System Programmer to support and manage IBM z/OS IMS environments. The role is responsible for ensuring the stability, availability, performance, and security of IMS DB and IMS TM subsystems in a mission-critical banking or financial services environment.
Responsibilities
- Ensure the stability, availability, performance, and security of IMS DB and IMS TM subsystems in a mission-critical banking or financial services environment.
- Hands-on experience with IBM z/OS operating system.
- Deep knowledge of: DBD/PSB/ACB management, IMS control regions and transaction processing, buffer pool tuning and performance optimization.
- Experience with IMS utilities, backup/recovery, and DR strategies.
- 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.
- Experience with SMP/E, JCL, TSO/ISPF, SDSF.
- Understanding of Sysplex and high availability architectures.
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.
- Experience with IMS utilities, backup/recovery, and DR strategies.
- 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.
- Experience with SMP/E, JCL, TSO/ISPF, SDSF.
- 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, TCP/IP, z/OS Connect, Assembler routines.
- Skill and experience with IMS Routines & Exit Routines.