modeling concepts (conceptual, logical, physical, dimensional, OLTP & OLAP). Proficiency in modeling tools such as ERwin, ER/Studio, PowerDesigner, or similar. Solid knowledge of RDBMS (Oracle, SQL Server, DB2, PostgreSQL, etc.) and familiarity with NoSQL databases. Good understanding of data warehousing, ETL processes, and BI tools. Hands-on experience with SQL and performance tuning. Strong analytical, problem-solving More ❯
OS landscape. Responsibilities Install, upgrade, and maintain IMS software (including usermods, RSUs, and feature enhancements). Configure and administer IMS/TM, IMS/DB, and connectivity with CICS, DB2, and MQ. Define and maintain IMS databases (DBDs, PSBs, DL/I utilities). Support system upgrades using SMP/E and z/OSMF. Tune IMS performance: buffer More ❯
RMF, SDSF, and SMF. Implement and enforce security controls via RACF, encryption, and access policies. Plan and execute backup, recovery, and disaster recovery drills. Integrate CICS/MQ with DB2, IMS, APIs, and z/OS Connect Middleware. Troubleshoot dumps, logs, and anomalies to resolve incidents quickly. Produce clear technical documentation, runbooks, and change-control records. Candidate Profile Experience … administering CICS and IBM MQ in enterprise Mainframe environments. Strong knowledge of transaction processing systems and messaging Middleware. Skilled in performance tuning, troubleshooting, and integration with DB2, IMS, and APIs. Familiarity with RACF and security management in CICS/MQ. Clear communicator, effective collaborator, and detail-oriented. More ❯
Required experience: Extensive experience in design, analysis, and development with mainframe technologies such as COBOL, JCL, CICS, IMS DB, and DB2. Proven track record of working on complex mainframe systems. Experience in Payments Domain is a must. IMS experience is More ❯