Buyer Planner at Wetherill Associates Inc | MEX | Rezi

Buyer Planner at Wetherill Associates Inc

Buyer Planner

Wetherill Associates Inc · MEX

1 weeks ago

Buyer Planner

Wetherill Associates Inc · MEX

10 days ago
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About the Role

Develop and maintain a reliable demand forecast and translate it into a feasible supply plan by integrating statistical analysis, structured cross-functional collaboration, and coordination of inventory transfers. This role transforms customer, market, promotional, and inventory information into a consensus demand plan and an actionable supply plan, ensuring product availability, service level performance, and a single source of truth across Demand Planning, Supply Planning, Operations, and Finance.

Responsibilities

  • Develop short-, medium-, and long-term forecasts by SKU, customer, channel, product family, or category.
  • Analyze historical sales, customer orders, trends, seasonality, promotions, events, and customer purchasing behavior.
  • Apply statistical forecasting models and adjust forecasts based on validated commercial insights.
  • Manage new product introductions, product substitutions, phase-in/phase-out activities, intermittent demand, and low-volume items.
  • Document forecast assumptions, changes, owners, and demand drivers.
  • Coordinate regular demand review meetings with Sales, Key Account Managers, Marketing, and Commercial Leadership.
  • Gather and validate information related to promotions, new business opportunities, customer additions and discontinuations, pricing changes, product launches, and exceptional orders.
  • Challenge forecast increases or reductions that lack supporting data, customer commitment, SKU detail, timing, or defined probability.
  • Translate qualitative commercial inputs into measurable forecast adjustments and track agreed-upon action items.
  • Develop short-, medium-, and long-term supply plans based on the demand forecast, customer orders, available and in-transit inventory, open purchase orders, lead times, and supply constraints.
  • Convert the consensus demand plan into supply requirements by SKU, source, location, quantity, and required delivery date.
  • Analyze inventory coverage, safety stock, backorders, critical materials, excess inventory, slow-moving items, and obsolescence risks.
  • Validate MRP/DRP recommendations and adjust planning parameters or exceptions when operational conditions require.
  • Recommend allocation priorities during supply constraints, considering service level targets, customer criticality, and regional availability.
  • Plan and request inventory transfers between manufacturing plants, distribution centers, countries, or approved supply sources.
  • Evaluate the most appropriate supply source for each requirement based on inventory availability, production capacity, lead times, transit times, constraints, and business priorities.
  • Monitor transfer requests, transfer orders, confirmations, shipments, in-transit inventory, and receipt of materials.
  • Coordinate with Logistics and International Trade regarding shipping schedules, documentation, shipment consolidation, and transportation risks.
  • Escalate cases requiring supplier intervention, commercial changes, negotiations, or external capacity support to the Procurement team.
  • Measure Forecast Accuracy, Forecast Bias, WAPE, MAPE, and Absolute Error across different levels of aggregation.
  • Develop baseline, optimistic, and constrained supply-demand scenarios for changes such as supplier delays, capacity reductions, unexpected demand increases, or shifting business priorities.
  • Quantify the impact of each scenario on Fill Rate, backorders, inventory coverage, inventory levels, logistics costs, and product availability dates.
  • Analyze deviations between forecasts, customer orders, actual sales, and plan execution to identify root causes.
  • Segment products and customers using differentiated planning methodologies such as ABC/XYZ analysis.
  • Present clear recommendations, planning assumptions, identified risks, and required actions to support business decision-making.
  • Deliver a complete, timely, and consensus-based demand and supply plan to all relevant stakeholders.
  • Communicate significant changes in demand or supply, potential stockout risks, and inventory reduction opportunities.
  • Participate in S&OP, IBP, MRP, executive planning reviews, and budgeting processes when applicable.
  • Maintain planning master data, including lead times, transit times, lot sizes, minimum order quantities, order multiples, safety stock levels, and assigned supply sources.
  • Prepare reports on product availability, shortages, inventory coverage, and plan adherence.
  • Ensure a single, aligned version of demand and supply data across planning systems and corporate reporting.

Requirements

  • Bachelor's degree in Industrial Engineering, Actuarial Science, Economics, Statistics, Business Administration, Logistics, Supply Chain Management, International Trade, or a related field.
  • 3 to 5 years of experience combining Demand Planning (forecasting and commercial planning) and Supply Planning (DRP/MRP, inventory management, inventory transfers, or internal replenishment).
  • Experience collaborating with commercial and operations teams, and presenting analyses and recommendations to leadership.
  • Experience in the automotive, distribution, retail, consumer goods, aftermarket parts, manufacturing, or other industries with a high number of SKUs and multiple distribution locations is preferred.
  • Intermediate to advanced English proficiency preferred, along with training or certifications in S&OP, IBP, Forecasting, APICS, or CPIM.

Skills

  • Statistical forecasting models
  • Demand review meetings
  • MRP/DRP
  • Inventory management
  • Inventory transfers
  • Internal replenishment
  • S&OP
  • IBP
  • Forecasting
  • APICS
  • CPIM
  • ABC/XYZ analysis

Experience Level

  • 3 to 5 years

Education Level

  • Bachelor's degree