What are the responsibilities and job description for the Mainframe IMS System Programmer position at Keen Technology Solutions LLC?
Mainframe IMS System Programmer
Phoenix, AZ
Onsite-Hybrid
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.
Required Qualifications
- 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 will be a big plus