Senior Mainrame IMS Engineer # 26-27083
About The Position
The Senior Mainframe IMS Engineer is responsible for installing, administering, supporting, and managing the performance of IBM IMS Database and Transaction Manager environments. The role helps ensure the availability, reliability, security, and recoverability of mission-critical IMS systems supporting enterprise applications across development, test, disaster recovery, and production platforms. The engineer manages IMS control regions, message processing regions, BMPs, database resources, and operational activities, including startup, shutdown, and restart. Responsibilities also include installing and maintaining IMS software with SMP/E, applying fixes and upgrades, performing SYSGEN and configuration changes, and supporting modernization and migration initiatives. The position manages IMS databases and related DBDs, PSBs, and ACBs; performs database reorganization, recovery, and optimization; monitors and tunes performance; and supports capacity planning. It also provides production incident support, backup and recovery, disaster recovery exercises, IMS integration with related platforms and middleware, change and release management, vendor coordination, and technical guidance to project teams and stakeholders.
Requirements
- 10–18+ years of IMS infrastructure and database engineering experience; the posting also states 10+ years of experience.
- Strong experience with IBM IMS DB and IMS TM.
- Experience with IMS SYSGEN, DBD, PSB, ACB, DBRC, and IMS Connect.
- Strong knowledge of z/OS, JCL, TSO/ISPF, JES2, SDSF, and SMP/E.
- Experience with IMS backup, recovery, and database reorganization.
- Strong troubleshooting and performance-tuning skills.
- Exposure to sysplex and data-sharing environments.
- Bachelor’s degree or equivalent experience.
- Strong documentation and knowledge-transfer capabilities.
Nice To Haves
- IBM IMS certification.
- ITIL Foundation certification.
- Experience in BFSI, insurance, banking, or other high-availability environments.
- Exposure to audit, compliance, and regulatory controls.
- Experience with disaster recovery planning and recovery testing.
- Experience with IMS Parallel Sysplex, IMS Shared Queues, IMS Connect and API integration, and IMS monitoring and performance tools.
- Knowledge of DB2, CICS, MQ, and RACF security.
- Exposure to REXX and automation scripting.
- Experience working in a 24x7 enterprise support model.
Responsibilities
- Administer and maintain IMS DB and IMS TM environments across development, test, disaster recovery, and production platforms.
- Manage IMS control regions, message processing regions (MPRs), BMPs, and database resources; perform IMS startup, shutdown, restart, and operational support activities.
- Ensure the availability and stability of business-critical IMS applications and databases.
- Install, configure, customize, and maintain IMS software using SMP/E; apply maintenance, PTFs, fixes, and version upgrades.
- Perform IMS SYSGEN activities and subsystem configuration changes, and support modernization and migration initiatives.
- Manage Full Function, HALDB, Fast Path (DEDB), HIDAM, HDAM, HISAM, and HSAM databases; define and maintain DBDs, PSBs, and ACBs.
- Perform database reorganization, recovery, and optimization activities.
- Monitor transaction and database performance; tune IMS regions and database structures; analyze CPU usage, response times, storage consumption, and throughput.
- Support capacity planning and workload forecasting.
- Design and support backup and recovery strategies; manage image copies, database recovery, restart, and DBRC processes.
- Support disaster recovery exercises and resilience testing, ensuring procedures meet defined RTO and RPO targets.
- Provide L2/L3 support for IMS production incidents; diagnose and resolve subsystem, database, and transaction-processing issues.
- Analyze dumps, logs, abends, and performance bottlenecks.
- Support IMS integration with DB2, CICS, MQ, z/OS, RACF, VTAM/TCP-IP, and IMS Connect, including application connectivity and transaction-processing environments.
- Participate in CAB reviews and production implementations; support application deployments and infrastructure changes.
- Follow change-management and governance processes and maintain operational and technical documentation.
- Coordinate with IBM and software vendors on product issues and upgrades, and collaborate with z/OS, CICS, DB2, MQ, Storage, Security, and Application teams.
- Provide technical guidance to project teams and business stakeholders.
- Lead upgrades, migrations, disaster recovery testing, and major incident resolution.
- Support IMS Parallel Sysplex, Shared Queues, IMS Connect/API integration, monitoring and performance tools, and automation as applicable.
- Provide documentation and knowledge transfer; work within a 24x7 enterprise support model as applicable.
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What This Job Offers
Career Level
Senior
