Lead SAP MM/WM Consultant – S/4HANA Brownfield Implementation

Project overview

Job Summary

We are looking for a seasoned Lead SAP MM/WM Consultant to drive the Materials Management (MM) and Warehouse Management (WM) workstreams for a large-scale SAP S/4HANA Brownfield Implementation program. This is a client-facing onsite leadership role requiring strong functional depth, stakeholder management skills, and the ability to work seamlessly with global delivery teams across onsite-offshore models. The consultant will own end-to-end solution design, testing, cutover, and go-live activities while mentoring junior consultants and ensuring alignment with business goals.

Key Responsibilities

Solution Design & Delivery

Testing & Data Migration

Cutover & Go-Live

Skill Requirements

-

Other Requirements

• Lead SAP MM/WM functional workstream across all phases of a Brownfield (System Conversion) S/4HANA implementation.
• Conduct detailed fit-gap analysis to assess impact of existing custom developments, configurations, and business processes during the conversion to S/4HANA.
• Define to-be business processes for Procurement, Inventory Management, Physical Inventory, Batch Management, Warehouse Structure, and Logistics Execution.
• Prepare functional specifications for RICEFW objects (Reports, Interfaces, Conversions, Enhancements, Forms, Workflows) related to MM/WM.
• Ensure simplification items (SI) relevant to MM/WM are identified, assessed, and remediated as per SAP's S/4HANA simplification list.
• Support and validate data migration strategy for material master, vendor master, stock data, batch data, and warehouse structures (using tools like SAP Migration Cockpit/LTMC/LSMW).
• Lead functional testing cycles including SIT, UAT, and regression testing; ensure defect resolution within SLA.
• Validate integration touchpoints with SD, PP, QM, EWM, and FICO modules.
• Own cutover planning and execution for MM/WM scope, including master data freeze, stock reconciliation, and open PO/STO migration.
• Provide hypercare and post-go-live stabilization support, tracking and resolving production issues.
• Prepare end-user training material and conduct/support training sessions for warehouse and procurement teams.
• 10–15 Years (with at least 2–3 full-cycle SAP implementations, including 1+ Brownfield/S4HANA conversion project)
• Strong hands-on functional expertise in SAP MM (Procurement, Inventory Management, Invoice Verification, Material Master) and SAP WM (Warehouse Structure, Storage Types, Putaway/Picking Strategies, Physical Inventory).
• Minimum one full-cycle SAP S/4HANA Brownfield/System Conversion project experience.
• Solid understanding of SAP S/4HANA simplification items impacting MM/WM.
• Experience with data migration approaches and tools for master and transactional data.
• Working knowledge of integration with SD (Order-to-Cash), PP (Production Planning), QM (Quality Management), EWM, and FICO.
• Exposure to SAP Activate methodology and Agile delivery models.
• Strong client-facing communication, presentation, and stakeholder management skills.
• Proven experience leading a team of consultants across onsite-offshore delivery structure.
• Experience with SAP Extended Warehouse Management (EWM), especially in decentralized/embedded scenarios.
• Familiarity with SAP Fiori apps relevant to MM/WM processes.
• Exposure to Advanced ATP, IBP integration, or other supply chain planning tools.
• Prior experience in Manufacturing, CPG, or Retail industry verticals.
• SAP certification in MM or WM/EWM modules.

Project details

• Start: flexible
• Remote: onsite
• Location: CA - California, CA
• Languages: English