Just-In-Time Materials Planner

Loyalty Rules; Isycoed; On-site; GBP 32,000 - 42,000; Full time

Job summary

Mars, Incorporated is seeking a Materials Planner for our Wrexham Plant on a 12-month fixed term contract. You will order non-bulk raw materials and inventory items, ensure timely delivery, and support scheduling, while collaborating with suppliers and internal teams.

Reporting to the Scheduling Manager, you will balance stock levels, prevent production disruption, and engage with European Procurement and global suppliers. Some travel may be required.

Qualifications

• Manufacturing experience and understanding of planning and scheduling processes.
• Knowledge of non-bulk warehousing and bulk storage procedures.
• Numerical and analytical skills with strong attention to detail.
• Experience influencing operational or shift-management decisions.
• Ability to provide weekend scheduling cover and out-of-hours support for material-supply issues and holiday cover for the Scheduling Administrator.

Responsibilities

• Plan Material Requirements – Order ingredients and materials using just-in-time principles, ensuring they are available to meet production schedule requirements.
• Manage Inventory Levels – Regularly review material inventory, arrange stock checks and reorder when required, including managing stock reductions when products are delisted.
• Coordinate Deliveries – Book deliveries onto site, monitor overdue planned deliveries and work with suppliers to address underperformance or potential supply issues.
• Maintain Purchase Orders – Manage SAP purchase orders and material contracts, ensuring contracted volumes are called off and outstanding balances from time-based contracts are closed.
• Support Scheduling and Finance – Attend daily scheduling meetings, respond to schedule changes, raise ad hoc requisitions and provide information to resolve invoice queries and prevent blocked invoices caused by incorrect plant receipts.

Skills

Planning

Scheduling

Inventory management

Numerical skills

Attention to detail

Supplier liaison

Deadline driven

Tools

SAP

Job description

Mars, Incorporated is seeking a Materials Planner for our Wrexham Plant on a 12-month fixed term contract. You will order non-bulk raw materials and inventory items, ensure timely delivery, and support scheduling, while collaborating with suppliers and internal teams.

Reporting to the Scheduling Manager, you will balance stock levels, prevent production disruption, and engage with European Procurement and global suppliers. Some travel may be required.