Arun Mohan

Background

About Arun Mohan

SAP Data Services Consultant with over 9 years of experience in data migration and S/4HANA implementations. Expertise in designing and optimizing ETL processes, performing data validation, advanced data transformation techniques, dimensional modeling, Leveraging Data Migration components (IDOCs/BAPIs/LTMC/LTMOM) to create migration objects, handling complex scenarios, and ensuring the integrity of data during large-scale migrations. Extensively worked on two end-to-end S/4HANA data migration projects, and played a key role in the implementation leveraging the Data Migration Cockpit to ensure accurate & efficient data migration. Experience & Highlights: Accenture * Led the large-scale migration of 400M+ records for an Oil & Gas giant, ensuring high accuracy and compliance.* Developed high-performance IDOC and RFC-based SAP BODS solutions, targeted on processing large scale data.* Optimized the BODS jobs for IDOC creation, improving performance from 11 million records per hour to 100 million records per hour to meet the constrained timespan, with increased memory.* Successfully delivered Clients' SAP S/4HANA data migration, working with data owners to define governance and cutover strategies.* Awarded Accenture Skills Start award for proficiency in skills. Tata Consultancy Services * Developed multiple SAP Data Services objects (BODS) for SAP ECC to S/4HANA migration, ensuring smooth cutover for critical business functions for the Oil & Gas Company in Australia.* Migrated payroll data from SAP ECC to ADP systems, ensuring seamless payroll continuity.* Built robust staging, cleansing, and transformation pipelines, enhancing data integrity.* Managed daily operations and enhancements, ensuring optimal data lineage between source systems and the HANA Datamart.* Enhanced ETL performance by 20% through strategic use of push-down operations, significantly improving processing speed and overall efficiency. Wipro Technologies * Configured and implemented data mapping and transformation logic aligned with business rules to support SAP Hana Datamart.* Delivered complex ETL workflows, utilizing transformations such as joins, lookups, pivots, and validations to cleanse and standardize data.* Managed job scheduling and real-time monitoring of SAP Data Services processes to ensure seamless execution and performance.* Communicated effectively with business stakeholders to gather data requirements and provide strategic guidance on ETL solutions.