Job Description Act as a Subject Matter Expert (SME) for IBM InfoSphere products including InfoSphere DataStage, QualityStage, and Information Analyzer. Design, develop, and maintain ETL jobs to support data integration and data warehousing solutions. Analyze business requirements and translate them into technical ETL specifications. Optimize DataStage jobs for performance, scalability, and reliability. Ensure data quality, data validation, and data reconciliation across multiple source syst