About UsHarmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.About the RoleAs a Supply Planner, your role is crucial in optimising the flow of materials from suppliers into our operations. You function as the primary analytical link between strategic purchasing decisions and operational inventory needs. Your main mission is to ensure optimal stock availability (raw materials, components) while driving cost efficiency and minimising risks of shortages or obsolescence.You actively collaborate with the Procurement team to integrate market insights into tangible planning actions.ResponsibilitiesOperational Planning and Procurement Strategy SupportDemand Translation: Analyze sales forecasts and production schedules to accurately determine raw material and component requirements (MRP/DRP).Supplier Ordering: Generate, send, and monitor purchase orders (POs) based on planning requirements, ensuring alignment with procurement contracts and volume agreements.Inventory Optimization: Define, monitor, and adjust planning parameters (safety stock, reorder points, EOQ) in the ERP to maintain target inventory levels and reduce working capital.Supplier Performance and Risk ManagementOTD Monitoring: Track and report on supplier performance metrics (On Time Delivery - OTD, lead time compliance) and proactively highlight potential delivery risks to the Procurement Manager.Risk Analysis: Identify and anticipate potential supply disruptions (e.g., transport delays, capacity issues) and develo