Nirmala Subramanian

SAP Master Data Lead and Data Migration Architect with 14+ years of experience supporting SAP MM, S/4HANA, EWM, and regulated manufacturing environments. Proven success leading end-to-end master data migration, governance, cleansing, validation, and production support across Material, Product, Vendor/Business Partner, Customer, BOM, Recipe, Routing, Inspection Plan, Storage Bin, and Packaging Specification objects. Strong cross-functional partner with experience translating business requirements into controlled, auditable, and scalable data solutions.

MDM Data Architect - S/4HANA Migration Project - Medline Industries

(2023-05)

• Led the end-to-end master data migration workstream for a large-scale transition from legacy SAP/ECC to SAP S/4HANA, maintaining data integrity for critical supply chain and EWM objects.
• Directed extraction, transformation, and load activities for Material Master, Product Master, Vendor Master/Business Partner conversion, Storage Bins, and Packaging Specifications.
• Developed SQL-based profiling and partnered with developers using Talend to identify duplicates, standardize legacy data, and reduce the migration data footprint by 20%.
• Executed data loads using SAP S/4HANA Migration Cockpit (LTMC), LSMW, Batch Input, and MASS/MASSD for objects and enrichment scenarios outside standard migration templates.
• Established validation and reconciliation controls, mapping legacy data to S/4HANA and coordinating business review, issue resolution, and formal signoff.
• Enabled EWM readiness by migrating Product Master, Storage Bin, and Pack Specification data required for warehouse operations at go-live.
• Managed master data workflows, documentation, functional approvals, IDoc/EDI issue coordination, production master data, and regional/global SAP IT change requests in accordance with SOPs.

SAP Materials Management / Master Data Supervisor - Fresenius Kabi - Illinois

(2017-09 - 2023-04)

• Supervised Material and Vendor master creation and change workflows, ensuring complete documentation, timely functional approval, and compliance with data standards, SOPs, and audit requirements.
• Created and maintained production master data, including Materials, BOMs, and Recipes, and coordinated mass changes with regional and global SAP IT teams.
• Assessed master data changes across Quality, Regulatory, Engineering, Marketing, Finance, Logistics, Procurement, Packaging, and Production to protect downstream supply chain processes.
• Served as the primary functional contact for SAP Vendor and Material Master requests, production support, troubleshooting, escalation, and best-practice guidance.
• Analyzed workflow efficiency and partnered with buyers and process owners to improve turnaround time, work instructions, quarterly SOP reviews, and change-control practices.
• Supported IDoc/EDI issue resolution, SAP configuration and enhancement requests, LSMW-based maintenance, SAP Medical Device billing clearance, and month-end material reconciliation.
• Created Profit Centers, assigned Product Hierarchies, and assisted Accounting Systems with monthly master data activities.

SAP Master Data Coordinator - Plumose - Illinois

(2016-08 - 2017-09)

• Acted as the single point of contact for initiating, routing, and tracking master data creation and change requests across business owners.
• Created, changed, maintained, and deleted Material, Vendor, and Customer master records in accordance with business requirements and company SOPs.
• Maintained BOMs, Master Recipes, Source Lists, Purchasing Info Records, Customer Info Records, and material views supporting purchasing and production processes.
• Performed mass updates and provided SAP MM production support while enforcing adopted product and material taxonomy standards.

SAP Master Data Consultant - Polynt Composites - Illinois

(2015-10 - 2016-07)

• Created and maintained Material, Vendor, and Customer masters and delivered production support for the SAP MM module.
• Built BOMs, multilevel BOMs, Routings, Master Recipes, and Inspection Plans; completed mass changes for materials, BOMs, and inspection plans.
• Identified duplicate records, coordinated corrections with business divisions, and applied approved deletion and inactivity rules.
• Partnered with multiple departments to validate data, improve process flows, maintain SOP compliance, and strengthen master data quality reporting.

SAP Master Data Consultant - Merichem - Texas

(2013-10 - 2015-09)

• Created, maintained, and deleted Material, Vendor/Supplier, and Customer master records and maintained all required views under approved SOPs.
• Created BOMs, multilevel BOMs, and Routings; validated attributes for completeness, accuracy, authorization, and Schedule of Authority requirements.
• Coordinated clarifications with requestors, entered approved data, communicated completion, and tracked service-level performance across supply chain functions.
• Performed data research, troubleshooting, duplicate analysis, cleanup, audit-trail review, and proactive identification of master data quality issues.

Trainee SAP Consultant - HCL Technologies Ltd. - India

(2007-09 - 2009-03)

• Supported SAP MM and master data activities, including Material, Vendor, and Customer master creation and maintenance.
• Created tax classes, account codes, and cost centers and supported end-user training on SAP processes.
• Conducted preliminary technical research into SAP and business-system inefficiencies and coordinated with business systems administration.

Master of Computer Applications (MCA) - University of Madras, India

Bachelor of Science (B.Sc.) - Physics - University of Madras, India