Senior Production Planner / Master Scheduler (6-12 month contract), Outside IR35 We’re recruiting on behalf of a well-established UK-based manufacturer that delivers a complex mix of products into regulated markets. Their operations are project- and order-led, with a growing need for forward-looking planning and system-led scheduling. We are looking for a Senior Production Planner / Master Scheduler on a 6-12 month contract basis to take ownership of the planning process across production, supply chain, and procurement, with Microsoft Dynamics 365 as the ERP platform. What You’ll Be Doing: * Build and maintain a forward-looking Master Production Schedule (MPS) aligned with customer demand, resource availability, and stock targets * Work cross-functionally with engineering, operations, procurement, logistics, and customer service to keep plans aligned and responsive * Lead planning and scheduling meetings, and drive resolution of capacity or material constraints * Improve planning visibility, data integrity, and overall responsiveness within the ERP system * Track key KPIs — such as schedule adherence, WIP visibility, and delivery performance * Drive enhancements in Dynamics 365, and support changes in planning workflows, BOM structures, and routing Experience we're looking for: * Strong background in production planning, maste...