Write, modify, and schedule batch jobs. Joblog analysis and troubleshooting. Coordinate releases with relevant departments. Prepare, install, and test new releases. Manage datasets. Participate in operational testing. Provide 2nd/3rd level technical support for related applications. Handle ticket administration and documentation based on ITIL. Solve complex problems through root cause analysis. Enforce processes in Incident/Problem/Change/Configuration management. Actively participate in daily/weekly client meetings.