Strong experience with IBM i (AS400/iSeries) billing platform and operationsProficiency in CL (Control Language)| RPG (RPGLE/ILE RPG) for troubleshooting and analysisHands-on experience with batch job processing| job scheduling| and job queue managementAble toperform data fixes| file maintenance| and system-level debuggingExposure to automation scripting| monitoring tools| and batch recovery strategiesDeep understanding of manual handling| job logs| spool files| and system messages