05/30/2025 updated

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SAP S4HANA Data Migration Principal architect

Bengaluru, India
Worldwide
BTech
Bengaluru, India
Worldwide
BTech

Profile attachments

Sameer_ME_SAP S4 data migration_Project Manager.docx

ArchitectureData ValidationExtract Transform Load (ETL)Data MappingData MigrationData ModelingData QualityException HandlingSAP ERPPerformance TuningSAP ApplicationsSAP HANASAP ProjektmanagementTransaction DataSAP BusinessObjectsLegacy Systems
  • Led end-to-end data migration strategy and execution for SAP S/4HANA using SAP BusinessObjects Data Services (BODS), covering both master and transactional data.
  • Designed and developed ETL architecture using BODS to extract, transform, and load data from SAP ECC and legacy systems into S/4HANA staging and target environments.
  • Defined and implemented data mapping and transformation logic in collaboration with functional consultants to ensure compliance with S/4HANA data models (e.g., Business Partner, Material Master).
  • Created complex BODS jobs, workflows, and data flows, optimizing performance and data quality during large-volume migrations.
  • Managed and validated data extraction from heterogeneous sources, including flat files, and SAP systems.
  • Led the technical team in building reusable migration templates and frameworks to support iterative load cycles (Mock Load, Dress Rehearsal, Go-Live).
  • Coordinated data validation and reconciliation efforts, working closely with business and QA teams to ensure data accuracy and completeness post-migration.
  • Implemented robust error handling and logging mechanisms in BODS for effective monitoring and troubleshooting of migration jobs.
  • Conducted performance tuning and optimization of BODS ETL jobs to reduce runtime and ensure scalability during mass data loads.
  • Provided leadership in cutover planning and hyper care support, ensuring seamless transition from legacy systems to S/4HANA.

Experience

Professional experience10+ years
Freelancer since2025

Languages

EnglishFluent

Project history

Principal Consultant

Wipro Technologies Pvt Ltd

Associate Manager

Accenture Services Pvt Ltd

Technical Lead

Cognizant Technology Solutions Pvt Ltd

Technical Leader

Wipro Technologies Pvt Ltd

Software Engineer

Accenture Services Pvt Ltd
Project key responsibilities: (Data migration)
* Managed projects, including data migration and BODS scope.
* Led RFPs, orals, and formulated data migration strategies.
* Designed and implemented SAP BODS solutions, enhancing data flow.
* Collaborated with cross-functional teams and stakeholders.
* Managed end-to-end S4 HANA data migration for projects.
* Prepared project charters, CR status, and regular client updates.
* Spearheading the project with a team of six data leads and consultants and liaising with the
management regarding new assignments
* Rendering Requests for Proposals for other projects under the Data Centre of Excellence to
onboard new accounts
* Facilitating end-to-end data migration from initiation until the final launch
* Coordinating with the team regarding the project status & with functional leads regarding FMD
walkthroughs and configuration issues and crafting rainbow charts to manage objects
* Working on project charters and CR build status and updating the same to the client
* Successfully worked on Nigeria rollout S4 Hana data migration objects and currently working on
other 4 country releases after successful go live
* Operating complex objects such as Vendors, GL master data, Customers, Master recipe, Purchase
orders, Production version and Contracts, etc., using multiple loading methods like LTMC, LSMW
and Idocs after transforming the Syspro files using data services
* Defining new fields using LTMOM in the template by mapping it to target levels

Project: BODS application support and enhancement / HANA upgrade 2.0 project | Client:Levis Inc.
* Led an offshore team of 5 for the BODS support project and a team of 8 for the HANA upgrade
project
* Administered support activities, including Historical loads, SAP maintenance, Black Friday
year-ending activities and other Adhoc requests
* Deployed JIRA for task assignment in the HANA upgrade project and Confluence page to publish,
assign & update tasks with documentation to submit for client review & approval
* Executed HANA upgrade 2.0-project & BODS 4.2 upgrade project and conducted an impact analysis
* Operated on HANA studio console to validate the data based on SQL calculation views for SAS,
PIWEB, Kronos, and Wholesale areas
* Utilized Data Services Management Console to schedule & execute jobs, manage repositories and
perform metadata reporting
* Implemented ABAP Dataflow to migrate data from SAP R/3 & ERP to the EDW Data Warehouse system
* Debugged the jobs in non-prod environments to check the issue logs
* Used the SQL queries in data validation and manipulation
* Partook in the entire gamut of project management, including design & analysis, development, UAT,
SIT, Go Live process and after Go-Live Support
* Augmented the existing jobs by analysing & applying performance improvements techniques to them
* Crafted SQL scripts, applied SQL-based logic conditions to implement the logic in the job and
worked on job design using a different approach to SCD types
* Drove LSMW for data migration to automate the loading process
* Utilized Data Integrator & Platform transforms variables & functions
* Debugged the execution errors using Data Services logs (trace, Monitor, and error) by examining
the target data
* Worked with agile tools like JIRA & Azure DevOps and incident management tools like HP ITSM &
Service now
* Worked on configuring job sever, access server, repository usage, local\central repositories,
assigned access to the DS developers from the central management console and monitored the
production server
* Analysed & resolved data issues based on the incident priority
* Handled errors and created email alerting solutions to the BODS ETL job that automatically sends
an Email to the concerned team if Jobs fails

OTHER KEY PROJECTS EXECUTED
* Project: AB In Bev (S4 HANA DM). Ekaterra (S4 HANA DM), Uniphar (S4 HANA DM)
* Project: Etisalat data hub developers (Dubai)
* Project: PINE reporting (Blue heart), ONE BI Finance and Monitoring, FCP project | Client:
Philips Inc.
* Project: Fuse phase2, Vesper project, GBI BODS iTunes | Client: Apple Computers Inc.
* Project: Coke Scale F&T | Client: Coco-Cola
* Project: Finance systems Roadmap | Client: Bank of America SAP CoE
* Project: BP Houston- M&S Iberia | Client: British Petroleum SAO Solar Atlas
* Project: BMS Testing Shared Service (BI 7.0 Up gradation TSS) | Client: Bristol Myers Squibb Ltd,
New York, USA
* Project: Pegasus 5 | Client: QinetiQ Ltd, Farnborough, UK

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