Raw Materials & Packaging Planner - Production Continuity

Mars; Castle Cary; On-site; GBP 39,000 - 44,000; Full time

Benefits offered by this job

Private healthcare

Pension (up to 9% contribution)

Life assurance (4x salary)

Gym membership & wellbeing support

Annual leave 24–32 days

On-site perks: parking, Lavazza coffee

Job summary

Mars at Castle Cary, Somerset is seeking a Planner in Supply Chain to ensure uninterrupted availability of Raw Materials and Packaging Materials for factory operations, balancing inventory, warehouse capacity and working capital.

You will coordinate replenishment, liaise with Commercial, Production Planning, Logistics and suppliers to secure production continuity, and apply inventory policies with a strong focus on Safety, Quality, and Food Safety standards.

Qualifications

• Experience in Supply Chain Planning, Material Planning, Logistics, Inventory Management, or a related function.
• Strong analytical and problem-solving skills with the ability to identify and resolve operational challenges.
• Effective communication and stakeholder management skills, with the ability to build collaborative working relationships.
• High attention to detail and ability to manage multiple priorities in a fast-paced environment.

Responsibilities

• Develop and manage material replenishment plans to ensure timely material availability and support uninterrupted production.
• Monitor material supply, inventory levels, and planning parameters, proactively identifying risks and implementing mitigation actions.
• Manage inventory performance, including stock accuracy, excess and obsolete inventory, and continuous improvement initiatives.
• Coordinate with suppliers, procurement, logistics, and warehouse teams to ensure efficient inbound material flow and issue resolution.
• Track inbound shipments, elevate supply, quality, or logistics risks, and drive corrective actions to minimise operational impact.
• Support compliance, traceability, customs processes, and operational readiness while acting as a key planning contact within the factory.

Skills

Supply chain planning

Analytical skills

Stakeholder management

Job description

Mars at Castle Cary, Somerset is seeking a Planner in Supply Chain to ensure uninterrupted availability of Raw Materials and Packaging Materials for factory operations, balancing inventory, warehouse capacity and working capital.

You will coordinate replenishment, liaise with Commercial, Production Planning, Logistics and suppliers to secure production continuity, and apply inventory policies with a strong focus on Safety, Quality, and Food Safety standards.