Forecast & Replenishment Planning Subject Matter Expert (SME) – RELEX Implementation

ERNST & YOUNG ADVISORY PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

EY in Singapore is seeking a Senior Supply Chain Planning Consultant to join the Supply Chain & Operations team. You will act as a Forecasting and Replenishment SME for RELEX-based implementations, shaping demand planning, inventory replenishment, and end-to-end SC processes for a retail client in Singapore.

You will collaborate with business stakeholders, architects, and technical teams to design scalable solutions, conduct workshops, define functional requirements, validate configurations, and

Qualifications

• Bachelor's or master's degree in supply chain, operations, or related field.
• 3+ years in supply chain consultancy with planning focus.
• Experience with RELEX or similar planning platforms is a plus.
• Strong analytical, communication, and stakeholder management skills.

Responsibilities

• Lead requirement gathering workshops with client stakeholders to understand forecasting, replenishment, and planning processes.
• Translate business requirements into functional specifications and design documentation.
• Review configurations and validate business processes; ensure successful user adoption and go-live readiness.
• Coordinate UAT, testing, and go-live activities; support post-implementation optimization.

Skills

Forecasting

Replenishment

Supply chain planning

Stakeholder mgmt

UAT

Workshops

Documentation

Solution design

Retail expertise

Education

Bachelor's degree in supply chain

Master's degree preferred

Tools

RELEX

Excel

Job description

Job Description & Requirements

At EY, we develop you with future-focused skills and equip you with world-class experiences. We empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams.

We work together across our full spectrum of services and skills powered by technology and AI, so that business, people and the planet can thrive together.

We’re all in, are you?

Join EY and shape your future with confidence.

The opportunity

As a member of Supply Chain & Operations, you'll contribute to one of the fastest-growing regions in the world. If you are looking for a cutting-edge and rewarding environment, within the supply chain planning category, this just might be the role you’ve been searching for.

Your key responsibilities

Serve as a Forecast and ReplenishmentPlanning Subject Matter Expert (SME) for the implementation of the RELEX SupplyChain Planning solution for a retail customer in Singapore. The role involvesproviding functional expertise in demand forecasting, inventory replenishment,and supply chain planning processes while supporting the end-to-endimplementation lifecycle.

The incumbent will work closely withbusiness stakeholders, consulting teams, solution architects, and technicalresources to design and implement planning solutions that align with theclient’s business objectives and operational requirements. Responsibilitiesinclude conducting business process assessments, facilitating solution designworkshops, defining functional requirements, reviewing system configurations,validating business processes, and ensuring successful user adoption anddeployment of the solution.

The role requires strong expertise inretail supply chain planning, inventory management, replenishment strategies,forecasting methodologies, and best practices, combined with the ability tobridge business requirements with technology-enabled solutions.

1.Business Process Analysis & Solution Design

• Lead and facilitate businessrequirement gathering workshops with client stakeholders to understand existingforecasting, inventory planning, and replenishment processes.
• Analyze current planning operations and identify opportunities for process optimization and automation through the RELEX platform.
• Provide subject matter expertise on retail forecasting and replenishment planning best practices to support solution design decisions.
• Define future-state business processes and ensure alignment with the client's operational and strategic objectives.
• Participate in solution designdiscussions and review proposed system configurations to ensure businessrequirements are accurately translated into scalable solutions.

2.Functional Consulting & Documentation

• Collaborate closely withconfiguration, development, and integration teams throughout the implementationlifecycle.
• Translate business requirementsinto detailed functional specifications and design documentation.
• Create, review, and validatefunctional design documents, process flows, business rules, and solutionspecifications.
• Provide guidance on replenishment parameters, inventory policies, forecasting methodologies, ordering strategies, and exception management processes.
• Support data validation and review master data, transactional data, and planning-related parameters to ensure solution readiness.

3.Client Stakeholder Management

• Act as the primary functional point of contact between the client business teams and the implementation team.
• Facilitate discussions, workshops, and decision-making sessions with senior business stakeholders.
• Address business queries, provide recommendations, and drive resolution of functional issues and design decisions.
• Ensure alignment between business expectations, project objectives, and solution capabilities throughout the implementation.

4.Testing, Validation & Quality Assurance

• Lead User Acceptance Testing(UAT) activities and coordinate testing efforts with client business users.
• Develop and review testscenarios, test scripts, and validation criteria for end-to-end planningprocesses.
• Validate forecasting,replenishment, inventory, and ordering workflows to ensure compliance withbusiness requirements.
• Manage defect triage sessions,prioritize issue resolution, and coordinate with project teams to addressfunctional gaps.
• Support integration testing andbusiness process validation across upstream and downstream systems.

5.Training, Adoption & Go-Live Support

• Conduct knowledge transfersessions and user training workshops for business users and operational teams.
• Assist in cutover planning,go-live readiness assessments, and deployment activities.
• Provide post-go-live support,monitor solution performance, and recommend continuous improvementopportunities.
• Ensure a smooth transition fromproject implementation to business operations while maintaining stakeholderconfidence and solution effectiveness.

Skills and attributes for success

• Demonstrate in-depth technical capabilities and professional knowledge in your functional area of overall supply chain planning. Demonstrate ability to quickly learn new processes and uncover new offering that may assist current customer base.
• Tactical and process-oriented problem-solving.
• Excellent interpersonal relations and demonstrated ability to work with others effectively in teams
• Ability to develop and present new ideas and conceptualize new approaches and solutions
• Superior verbal and written communication skills
• Build relationships with client personnel and deliver quality client services. Strive to assist our clients uncover additional areas of opportunity and manage the business development process.
• Understand EY and its service lines and actively assess what the firm can deliver to serve clients.

To qualify for the role you must have

• A bachelor’s degree or master’s degree in supply chain, industrial engineering or business
• Minimum3 years of experience in supply chain consulting environment with a focus Supply Chain Planning & executionORSourcing and procurement
• Bring your expertise, focusing on a supply chain planning helping customers build and execute supply chain strategy around S&OP / IBPORfocusing on Sourcing & Procurement to help organization to Source and procure effectively and efficiently

Ideally, you’ll also have

• Demonstrated experience in one or more supply chain functional areas, including Planning (Demand, Supply, Production, Logistics, IBP/S&OP), Procurement (Source-to-Pay, Category Management, SRM, Procurement Outsourcing), or Supply Chain Operating Model Design.
• Experience with technology-enabled supply chain transformation and implementation initiatives.

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

All in to shape the future with confidence.