Demand Planning Manager

The Demand Planning Manager will ensure the business has the right stock, in the right place, at the right time while balancing customer availability, service levels, inventory and working capital. The successful candidate must have hands-on experience using RELEX within a demand planning, forecasting or replenishment environment. Working closely with Commercial, Sales, Supply Chain, Procurement, Operations and Finance, you will lead the development of a robust consensus demand plan and play a key role within the wider S&OP / IBP process.

Key Responsibilities Demand Planning & Forecasting Own and develop the end-to-end demand planning process across the business. Produce accurate short, medium and long-term demand forecasts across a large and complex SKU portfolio. Analyse historical sales, customer demand, seasonality, market trends and promotional activity to develop robust forecasts. Manage forecasting across multiple products, categories, customers and channels. Continuously monitor and improve forecast accuracy and forecast bias.

Identify significant changes in demand and ensure these are communicated effectively across the wider supply chain. Challenge assumptions and ensure commercial forecasts are supported by appropriate data. Manage demand volatility within a fast-moving FMCG environment. Ensure demand plans are appropriately translated into supply and inventory requirements. RELEX The Demand Planning Manager will act as a key user of RELEX and will be expected to maximise the capability of the system across forecasting, planning and replenishment.

Responsibilities will include:
Using RELEX to create, analyse and maintain demand forecasts. Reviewing system-generated forecasts and applying appropriate commercial intelligence and overrides. Managing forecasting parameters and identifying opportunities to improve system performance. Analysing exceptions and investigating significant forecast variances. Using RELEX data to support inventory and replenishment decisions. Improving utilisation of RELEX across the planning function. Developing reporting and KPIs from RELEX to provide greater visibility of demand performance.

Supporting continuous improvement and optimisation of planning processes within the system. Coaching and developing team members in effective RELEX usage. Previous hands-on RELEX experience is essential for this position. S&OP / IBP Play a key role in the monthly Sales & Operations Planning (S&OP) process. Develop and present the consensus demand plan. Work closely with Commercial and Sales teams to understand future demand, customer activity and market changes.

Ensure promotional activity, NPD, customer wins/losses and seasonal demand are incorporated into the forecast. Challenge unrealistic commercial assumptions using data and historical performance. Highlight potential supply constraints, inventory risks and service implications. Provide senior stakeholders with clear analysis around demand changes and business risks. Help drive greater cross-functional ownership of forecast accuracy. Inventory & Availability Work closely with Supply Planning, Procurement and Operations to ensure demand plans support appropriate inventory levels and product availability.

Key areas will include:
Stock availability Inventory optimisation Safety-stock requirements Stock-outs Excess inventory Slow-moving and obsolete stock Working capital Service levels Promotional stock Seasonal inventory Product lifecycle management The Demand Planning Manager will continually seek opportunities to improve availability while reducing unnecessary inventory investment. Promotional & Seasonal Planning Operating within FMCG, the role will manage significant fluctuations in demand created by promotions, seasonality and changing customer behaviour.

Responsibilities include:

Building promotional forecasts. Analysing previous promotional performance. Working with Commercial teams to understand planned activity. Identifying potential demand uplifts and associated supply requirements. Measuring promotional forecast accuracy. Conducting post-event analysis. Applying learnings to future promotional activity. NPD & Product Lifecycle Management Incorporate new product introductions into the demand plan. Develop initial forecasts for new products where limited historical data exists. Work closely with Commercial, Marketing and Supply Chain teams around product launches.

Monitor early sales performance against forecast. Manage demand…