Mandatory skills: CICS, COBOL, JCL, DB2 & knowledge on VSAM Good knowledge on versioning tools (Endevor/Changeman) JCL: Exposure on job creation, execution, restarting, IBM utilities, File handling, Data manipulating COBOL: File and its errors handling, Tables, Restart process, Sub programs, abend handling techniques VSAM: Copying data and replacing existing values Share options Creation of alternate indexes for KSDS and ESDS DB2: Must have adequate hands-on in handling Precompilation Process, Bind package and Bind plan, SQL error codes, Handling Cursor, Null indicators, Varchar, DML DCL DDL and TCL, Able to write simple & medium queries using joins Knowledge of Performance tuning, loading and unloading, precautionary steps for loading DB2 tables, Stored Procedures CICS: Able to write CICS programs with DFH Macros, COMMAREA, TSQ and TDQ, ATI Debugging and handling CICS Errors