
Mandar Tondlekar
Verified Expert in Engineering
SAP Consultant and Developer
Vancouver, BC, Canada
Toptal member since September 18, 2025
Mandar is an SAP Materials Management (MM) and Warehouse Management (WM) consultant with 10+ years of global experience in SAP S/4HANA implementations, rollouts, data migration, and support across mining, renewable energy, and retail. He is skilled in SAP Procure-to-Pay (P2P), SAP WM inventory management, data migration, and SAP AFS. Mandar has a proven track record in leading full-cycle projects, optimizing processes, and delivering business-driven solutions with cross-functional collaboration.
Portfolio
Experience
- SAP Materials Management (MM) - 11 years
- Data Migration - 7 years
- SAP Rollouts - 7 years
- SAP Implementation - 7 years
- SAP AFS - 5 years
- SAP Warehouse Management System (WMS) - 4 years
- SAP Upgrade - 4 years
- SAP Production Planning (PP) - 2 years
Preferred Environment
SAP Materials Management (MM), SAP Warehouse Management System (WMS), Data Migration
The most amazing...
...project I've worked on involved completing two full life cycle SAP S/4HANA transformations, seamlessly covering all phases with mastery.
Work Experience
ERP Deployment Data Analyst
Schneider Electric SE - Main
- Led end-to-end data migration activities for SAP MM and PP modules in large-scale S/4HANA implementation projects, ensuring seamless transition from various legacy systems.
- Developed and executed comprehensive data migration strategies, including data extraction, cleansing, transformation, and loading (ETL) processes for critical master and transactional data (Material Master, Vendor Master, BOMs, POs, Routings).
- Utilized ETL tools and S/4HANA Migration Cockpit to manage and load high volumes of data, ensuring data accuracy and integrity throughout the migration lifecycle.
- Collaborated with cross-functional teams and key business stakeholders to define data mapping rules, validate requirements, and resolve complex data quality issues.
- Designed and executed rigorous data validation and reconciliation plans, achieving 100% data accuracy post-migration and minimizing business disruption.
- Created detailed functional and technical design documents, test scripts, and end-user training materials, ensuring clear documentation and successful knowledge transfer.
- Identified and mitigated data migration risks proactively, providing technical support and troubleshooting during mock loads and go-live phases.
- Contributed to automation scripts to automate extraction and mapping processes to reduce turnaround time by a factor of 10.
- Maintained integrity across modules, adhering to SAP best practices and governance guidelines.
Senior Functional Consultant
TietoEVRY
- Headed one complete cycle of SAP S/4HANA implementation and four rollouts using Agile methodology, covering requirements gathering, solution design, testing, data migration, and post-go-live support.
- Executed end-to-end data migration via SAP DMC, migrating 8,000+ records across MM/PP objects, including material master, purchase orders, info records, BOM, work centers, and production orders.
- Delivered client workshops for facilitating requirements gathering, system design, data mapping, validation, mock conversions, and onboarding users to the new SAP S/4HANA system.
- Configured systems and developed custom solutions for critical business objects, ensuring the timely achievement of business requirements and project objectives.
- Prepared critical project documentation, including business decision designs, functional specifications, operational qualifications, data definition, and mapping documents.
- Led rollout implementations by adapting global SAP templates to meet country-specific localization, compliance, and business process requirements.
- Supported an SAP WM project by handling WM configuration, developing custom solutions, conducting testing, and documenting the development undertaken.
- Owned change request management within the ALM model, addressing business-driven enhancements such as auto-TO logic, HUM optimization, and new warehouse configuration.
- Executed and supported physical inventory processes in HU-managed warehouses, including HU counting, cycle count, inventory adjustments, and reconciliation using SAP WM and RF transactions for accurate stock visibility and compliance.
- Delivered Level 3 functional support and root cause analysis for integrated SAP MM and WM operations, including picking, packing, TO, and HUM, ensuring 98% SLA compliance for high-volume paper logistics.
Senior Associate Consultant
Infosys
- Led SAP MM module implementation and five rollouts for a green energy client, overseeing organizational structure, master data setup, P2P process optimization, localization requirements, and data migration within tight delivery timelines.
- Configured core MM processes, including P2P, subcontracting, consignment, vendor returns, STOs, and physical inventory, ensuring integration with logistics and quality processes across multiple plants.
- Managed the data migration of 10,000+ records, including material/vendor master and open POs, from legacy SAP ECC to S/4HANA using LTMC and LSMW, validated mapping, and supported cutover testing.
- Collaborated on cross-functional integration with SAP PP, SD, and FI modules to support end-to-end business scenarios, including MRP-based procurement, goods issue for production, third-party sales, and GR/IR clearing processes.
- Led SAP MM rollout across Hong Kong, Taiwan, and South Korea for a global footwear brand using a global template, coordinating localization, implementation, and data migration within strict timelines.
- Managed stakeholder expectations on site as a regional MM lead in Hong Kong, supporting user training and managing a 12-person off-site team, reducing ticket volume across SEA/APAC by 30%.
- Worked extensively on SAP Apparel & Footwear Solutions (AFS) MM processes, including grid-based procurement, size/color matrix, seasonal MRP, and batch/quality grading to support fashion-specific business requirements.
- Collaborated with cross-functional teams, including SAP APO/IBP integration, to monitor and manage requirement flows across SAP systems.
- Participated in business transformation efforts by identifying process bottlenecks, proposing scalable solutions, and contributing to design and testing workshops across regional teams.
Experience
Adidas Hong Kong/Taiwan SAP Rollout
Adidas Global Support
As a Level 1 support member, I directly engaged with customers, troubleshooting issues for SAP.
In Level 2 support, I tackled more complex problems and change requests to meet business needs.
As the Level 2 support lead, I managed a global team of 12 members, ensuring system stability, supporting team members, and collaborating with key stakeholders. I represented the team in quarterly release and upgrade projects, conducted problem analysis to reduce repetitive incidents, and maintained an SLA above 96%. My responsibilities also included managing critical tickets, which significantly impacted keeping the system healthy.
Siemens Gamesa Renewable Energy
My responsibilities included mapping legacy SAP ECC processes to the S/4HANA landscape, adhering to S/4HANA standardization guidelines, proposing optimized solutions, and conducting process and data migration workshops. I also performed system configuration changes and executed end-to-end data migration, supported the team during go live, provided hypercare support, and successfully handed everything over to the support team for continuous operations.
Jervois Mining Limted
I completed 8,000+ record data migration, conducted workshops for process mapping, validation, and user onboarding, adapted global templates to local requirements, performed system configuration, and delivered solutions and documentation, ensuring seamless go live and sustained business success.
Suominen Corporation
I executed and supported physical inventory processes in HU-managed warehouses, delivered Level 2 and 3 functional support for integrated MM/WM operations, and managed end-to-end warehouse configurations to ensure accurate stock visibility, process efficiency, and SLA compliance.
Data Analyst
Education
Bachelor of Engineering Degree in Information Technology
University of Mumbai - Mumbai, India
Certifications
Accelerating SAP Project Delivery Using SAP Joule for Consultants
SAP
Python Data Structures
Coursera
Programming for Everybody (Getting Started with Python)
Coursera
Skills
Tools
SAP Materials Management (MM), SAP S/4HANA, SAP Workflow, SAP Fiori, SAP Production Planning (PP)
Languages
Python 3, Python
Paradigms
Change Management, ETL
Storage
Master Data Management (MDM)
Other
SAP Warehouse Management System (WMS), Data Migration, SAP Implementation, SAP Procure-to-Pay (P2P), SAP Integration, SAP Support, SAP AFS, SAP, SAP Joule, SAP Upgrade, SAP Transformation, Computer Science, SAP Rollouts, SAP AI, Data Structures, ITSM, Incident Management, Team Management, Problem Management, Customer Service, SAP Release Management, Process Mapping, Workshops, SAP SME, End User Training, Cutover, Planning, Test Planning, Material Master Migration, System Integration Testing (SIT), SAP S/4HANA Greenfield Implementation, SAP ECC to S/4HANA Migration, Process Mapping & Standardization, Solution Design & Optimization, User Training & Knowledge Transfer, Workshop Facilitation (Process & Data Migration), Hypercare & Go-Live Support, Full Cycle Implementation, Localization & Compliance Adaptation, SAP S/4HANA Implementation, Custom Solution Development, SAP MM/WM Integration, Warehouse Configuration & Customization, Stock Replenishment & Inventory Adjustments, Physical Inventory Management, Change Request Management (ALM Model), Inventory Reconciliation & Accuracy Assurance, Engineering, ETL Tools, Data Mapping, Data Transformation, Stakeholder Engagement, Data Quality Governance, Documentation, Legacy Software
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