Mahesh J

SAP Data Migration and Transformation Lead with 12+ years of experience in SAP data migration, ETL development, and SAP S/4HANA transformation programs. Strong expertise in SAP BODS, LTMC/LTMOM, LSMW, source-to-target mapping, data transformation, data quality, reconciliation, and migration execution. Experienced in leading migration activities across project releases, coordinating cross-functional teams, managing mock migration cycles, planning cutover activities, resolving complex data loading issues, and supporting go-live and post-production stabilization.

Proven experience working with business stakeholders, functional consultants, technical teams, and offshore resources to deliver complex migration requirements. Familiar with SAP MDG, SAP BTP Datasphere, and SAP Integration Suite, with a focus on scalable data migration solutions, operational efficiency, and data integrity.

SAP Data Specialist at Maersk (2022-07 – Present)

• Lead end-to-end SAP data migration activities across project releases, covering migration planning, source-to-target mapping, data transformation, mock loads, cutover execution, reconciliation, and post-go-live support.
• Review SAP BODS ETL jobs, transformation rules, data validation logic, and loading strategies to ensure data accuracy and successful migration into SAP S/4HANA.
• Lead and coordinate SAP BTP Datasphere and SAP Integration Suite teams, aligning data and integration requirements, technical dependencies, delivery priorities, and stakeholder expectations across transformation initiatives.
• Coordinate end-to-end migration execution across data objects and project releases, tracking dependencies, load readiness, defect resolution, and cutover milestones in collaboration with functional and technical stakeholders.
• Coordinate migration activities across functional teams, business stakeholders, technical teams, and offshore resources to manage dependencies, resolve defects, and achieve project milestones.
• Drive migration execution planning, including load sequencing, mock cycle preparation, defect tracking, reconciliation, and production cutover readiness.
• Troubleshoot complex data migration issues involving high-volume loads of sales order, purchase orders, PL job dependencies, data inconsistencies, and performance bottlenecks.
• Establish data validation and reconciliation controls to improve migration quality, completeness, and business confidence in migrated data.
• Mentor team members, review deliverables, track execution progress, and coordinate issue resolution during critical migration cycles.

SAP Senior Migration Analyst at HCL (2021 – 2022)

• Designed and developed SAP BODS workflows to consolidate multiple data sources, implement transformation rules, and load validated data into SAP systems.
• Developed BP Customer job and extracted the data from FACT systems and loaded it into S/4HANA using LTMC staging method.
• Extracted Purchasing Info Record (PIR) data from source systems, defined transformation rules, and coordinated with the loading team to support accurate data migration.
• Transformations, and ensure successful data loading into SAP via BODS (leveraging functional modules) or SAP LSMW (utilizing recording methods or standard programs as needed).
• Involved in meetings with functional users, to determine the flat file, Excel layouts, data types and naming conventions of the column and table names.
• Developed and loaded source list data into SAP S/4HANA using LTMC staging tables.
• Business partner custom LTMC object developed and extracted the BPs from multiple source systems and loaded them into S/4HANA system.
• Generated the preload report and shared it with Functional or business stakeholders, after confirming successful loading into the target system.

SAP Senior Migration Analyst at L&T (2020 – 2021)

• Developed SAP BODS jobs for MM-related master data, including Work Centres, Functional Locations, and Material Master.
• Led daily job monitoring and execution activities, managing job dependencies through SAP Data Services Management Console and Redwood scheduling tools.
• Developed SQL views to support data extraction, pre-load validation, and data-quality checks.
• Created and maintained SAP LSMW programs using Direct Input, Batch Input, BAPI, and IDoc methods.

SAP DATA Analyst at Accenture, BOSCH (2014 – 2020)

• Developed and maintained SAP BODS ETL workflows to extract data from SAP ECC tables and transform data according to business requirements.
• Designed and enhanced data flows, implementing business rules, transformation logic, and data validation to support SAP data migration and integration requirements.
• Developed delta-load mechanisms using variables and control logic to process incremental data changes and improve ETL execution efficiency.
• Monitored scheduled BODS jobs, analysed execution logs, identified root causes of failures, and implemented corrective actions to maintain reliable data processing.
• Performed data validation and reconciliation between source data and transformed datasets to improve data accuracy and completeness.
• Coordinated with SAP functional and technical teams to investigate data-related issues, resolve ETL defects, and address source-system or configuration dependencies.
• Managed development changes and supported the promotion of ETL jobs and related objects across QA and production environments, following established deployment procedures.
• Collaborated with project team members to improve ETL reliability, data quality, and operational support.

B.E in Computer science – ANNA University