Senior Demand & Supply Planner
Competitive Salary & Benefits
Location: Stonehouse, Gloucestershire (based on-site)
Are you an experienced Demand Planner looking for your next challenge within a fast-paced manufacturing environment? We are seeking a proactive and commercially minded Senior Demand & Supply Planner to join an established manufacturing business based in Stonehouse.
This role involves translating customer demand into practical, achievable manufacturing and supply plans, helping the business deliver the right product, at the right time, in the right quantity. If you enjoy problem-solving, building alignment across teams, and making operational decisions with real impact, this Senior Demand & Supply Planner position in the manufacturing and supply chain industry could be your perfect fit.
What You Will Do:
- Deliver the rolling manufacturing plan and Master Production Schedule (MPS), aligned to capacity, materials, and inventory as part of the Senior Demand & Supply Planner role.
- Coordinate and drive the site S&OP process, bringing together Operations, Engineering, Supply Chain, Programme Management, Sales, and other key stakeholders.
- Lead weekly and daily build-plan reviews, identifying bottlenecks and driving actions that protect production uptime and efficiency.
- Manage demand and customer planning in SAP/ERP, including scheduling agreements, order/release coordination, and resolution of EDI errors.
- Monitor and improve finished-goods inventory accuracy, investigate discrepancies, and address abnormal stock conditions such as blocked or negative inventory.
- Escalate risks early and support continuous improvement initiatives to enhance planning stability, delivery performance, and inventory accuracy.
What You Will Bring:
- Previous senior experience in supply, production or demand planning, master scheduling, or S&OP.
- Experience within a Tier 1 or similar high-volume automotive environment.
- Strong knowledge of MRP, production scheduling, capacity planning and inventory management.
- Confident use of SAP/ERP and Excel.
- Team leadership or supervisory experience would be advantageous.
- Proven data analysis and problem-solving skills, alongside experience managing customer forecasts, OEM schedules and changing demand requirements.
- Ability to influence stakeholders across multiple functions.
- A track record of managing changing priorities and supply/demand constraints while keeping customers informed and outcomes on track.
- Experience working with planning principles such as APICS/CPIM and exposure to customer scheduling agreements and EDI (beneficial).
This Senior Demand & Supply Planner role supports the wider operational goals by strengthening customer service, improving inventory accuracy, and ensuring compliance with quality and product safety expectations. Day to day, the focus is on acting with integrity, promoting product safety practices, and escalating concerns promptly through the appropriate channels. In short, the Senior Demand & Supply Planner role is designed to help the business balance service, efficiency, and working capital performance.
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