Erwin Yahdi

SAP S/4 Hana Sales Certified Professional with 10+ years of experience SAP SD ECC 6.0 and S/4 HANA specializing in the design, configuration, and deployment of complex Order-to-Cash (OTC) processes. Proven track record of executing end-to-end lifecycle implementations alongside multiple system enhancements, test plan, test cases, version upgrades, and prod environment support. Adept at managing project phases, including requirement gathering, Business Blueprinting (BBP), realization, cutover activities, and hypercare support.

Cross-functionally proficient in seamless integrations with MM, FI modules and supply chain. Industry experience includes government and public sector, automotive, manufacturing, healthcare pharmaceutical, software and technology company.

SAP Functional Consultant — Contract - National Defence / Government of Canada — DRMIS

(2025-08 - 2026-06)

• Acted as SAP Functional consultant to work on SAP SD/MM for supporting issue on MRP area including stranded PO, inventory management, new requirement for period lot sizing, and ensuring the optimal MRP-related activities.
• Analyzed business requirements and prepared functional requirements specifications, solution documents, configuration documentation, test scripts, and training materials.
• Prepared business cases and option-analysis documentation for complex SAP system changes and design proposals.
• Facilitated workshops, knowledge-transfer sessions, presentations, and documentation reviews.
• Collaborated with business stakeholders, functional teams, technical teams, and project leadership to ensure compliant and supportable solutions.

Senior SAP SD Functional Analyst/Consultant — Full Time - VinFast Automotive USA and Canada

(2023-07 - 2025-08)

Worked as Senior SAP SD consultant to do S/4 Hana enhancements and implementation of new business processes in an existing live environment, including requirements gathering, configuration, testing, deployment, and hypercare.

• Gathered business requirements and translated them into functional designs, configurations, and system solutions.
• Worked on the major configuration of SAP SD OTC, Vehicle Management System, pricing, billing , shipping, credit management and integration with Salesforce through MuleSoft middleware.
• Manage cross functional integration from SAP SD to MM and FICO, proactively resolving IDOC errors and non-SAP systems discrepancies.
• Managed and validated SAP master data such as: Business Partner for Customer and Pricing.
• Managed SAP incident, including analysis, prioritization, functional resolution, test plan, test cases, documentation, and closure.
• Resolved prod issues for order management, billing, pricing, interfaces, and OTC processes.
• Prepared functional specifications and supported continuous business-process improvements.
• Work collaboration with stakeholders and business users in the USA.
• Technologies: SAP S/4HANA, Salesforce, MuleSoft, JIRA, ManageEngine

Senior SAP Functional — Contract - National Defence / Government of Canada — DMSPR with PwC Consulting and SI System

(2022-07 - 2023-05)

• Acted as Senior SAP Func Consultant to review SAP business requirements and analyzed process gaps, risks, dependencies, and potential solution options.
• SAP S/4HANA workshops for Procurement and Contracting processes.
• Prepared Solution Analysis Documents and supporting functional documentation.
• Collaborated with functional analysts, business analysts, technical teams, and stakeholders to develop secure and compliant solutions.
• Prepared option-analysis documentation for major business requirements and data-conversion strategies.

SAP SD Consultant — Contract - Sanofi Pasteur — Toronto - Toronto

(2021-08 - 2022-07)

Acted as SAP Functional Consultant for end to end implementation of an SAP S/4HANA pilot project in the vaccine and pharmaceutical environment.

• Configured and customized SAP SD processes, including pricing, sales orders, deliveries, billing.
• Gathered requirements and designed SAP solutions aligned with business objectives.
• Supported integration between SAP SD to MM and FI.
• Prepared functional specifications, user stories, configuration documentation, and test scenarios.
• Created training materials and delivered training on standard and customized SAP transactions.
• Provided functional support to end users and resolved business-process and system issues.
• Managed defects, testing, retesting, regression testing, and defect closure using HP ALM.
• Coordinated with offshore system integrators and cross-functional project teams.
• Technologies: SAP S/4HANA, SAP Fiori, SAP GUI, HP ALM

Senior SAP SD Consultant - Shared Services Canada with Beyond Technology

(2018-12 - 2021-07)

• Acted as Senior SAP SD Consultant for implementation and configuration of SAP SD integrated with SAP MM and FI.
• Gathered business requirements, facilitated workshops, demonstrated SAP solutions, and presented recommendations to stakeholders.
• Designed and configured end-to-end OTC processes, including quotations, contracts, sales orders, deliveries, invoicing, credit management, billing plans, pricing, and master data.
• Mapped SD revenue account determination to Fund Management items and fund centers.
• Delivered training in accordance with client standards, policies, and methodologies.
• Performed SIT, UAT, regression testing, and documentation validation.
• Technology: SAP ECC 6.0

SAP Sales and Distribution Consultant — Railcar Management Optimization Project - Nutrien with TCS Consulting - Calgary

(2017-10 - 2018-11)

• Acted as SAP SD Consultant to analyzed, defined, validated, and documented business requirements for rail-carrier shipping and billing processes.
• Configured SD OTC process such as: Sales documents, pricing procedures, logistic execution, billing, output determination, and account posting to SAP FI.
• Supported vendor setup as an EDI trading partner and coordinated EDI testing.
• Worked with developers to ensure accurate development, test plan, test cases and delivery of requirements.
• Managed offshore consulting and QA resources for SIT and UAT.
• Managed defects through HP ALM using Agile delivery methods.
• Technologies: SAP ECC 6.0, HP ALM, BizLink middleware

SAP Sales and Distribution Consultant - Innovapost with Infosys Consulting - Mississauga

(2017-01 - 2017-06)

Project Type: SAP ECC 6.0 E2E Implementation & Support.

• Maintained total responsibility over the sales and billing streams, gathering requirements for Dangerous Goods and Special Handling pricing enhancements.
• Configured SAP SD pricing, sales orders, inbound and outbound deliveries, picking, PGI, and invoicing.
• Monitored and troubleshot inbound and outbound IDocs.
• Prepared functional specifications, procedures, forms, and interface documentation.
• Coordinated with onsite and offshore ABAP and functional teams.
• Managed defects through HP ALM and supported issue resolution, testing, and closure.
• Technologies: SAP ECC 6.0, HP ALM, .NET middleware

SAP Sales and Distribution Consultant — Back to Basics Project - Johnson & Johnson Canada with TCS Consulting - Toronto

(2015-12 - 2016-12)

• Owned the end-to-end implementation for a global enterprise from project preparation through go-live and hypercare.
• Facilitated design workshop to gather business requirements and mapped processes into Business Blueprint (BBP) documentation.
• Orchestrated the Order-to-Cash (OTC) lifecycle configuration, tailoring standard processes for specific order types, item categories, availability checks (ATP), pricing procedure, account assignment, etc
• Prepared testing scope, test data, test scripts, and validation documentation.
• Coordinated with global functional and support teams in India and the United States.
• Technologies: SAP ECC 6.0, HP ALM, WebMethods

SAP Sales and Distribution Functional — Full Time - TheMIGroup - Mississauga

(2012-10 - 2015-11)

• Acted as functional team for major SAP SD implementation, rollout, new enhancement, upgrades, and production-support.
• Gathered business requirements and analyzed current-state processes and improvement opportunities.
• Worked on SAP SD and CRM processes and identified integration points between the two platforms.
• Worked closely with end users to clarify business processes and resolve operational issues.
• Technologies: SAP ECC 6.0, SAP CRM, SAP Solution Manager, HP ALM

SAP Business Systems Analyst — Full Time - Research In Motion / BlackBerry - Waterloo

(2010-03 - 2012-09)

• Served as SAP Business System Analyst to responsible over the Sales and Billing streams, gathering requirements to build out the Business Blueprint.
• Worked on multiple SAP implementation, upgrade, enhancement, production-support.
• Configured SAP SD OTC and supported pricing scenarios, including fixed prices, discounts, lump-sum pricing, credit cards, and direct deposits.
• Successfully implement SAP FI-CA for the process