Supply Planner

Are you a Supply Planner looking for a role where you can truly make an impact? If you love the challenge of keeping supply and demand perfectly in sync, maintaining healthy inventory, and building strong relationships with suppliers, you’ll feel right at home here. You’ll take ownership of day‑to‑day planning, maintain accurate master data across multiple ERP systems, and collaborate with teams across the business to ensure our customers get the parts they need. 

You’ll oversee the day‑to‑day flow of purchased and manufactured products, aligning supply with demand while maintaining accurate master data across multiple ERP systems. Collaboration is key — you’ll partner with cross‑functional teams to deliver reliable, efficient supply performance that keeps our customers at the heart of everything we do.

If you’re motivated by pace, precision, and the opportunity to make a visible impact within a global automotive‑focused organisation, we’d love you to apply now. 

Planning & Availability

Plan and manage product supply in line with demand and service targets

Execute replenishment and/or production plans

Identify and resolve shortages, back orders, or supply risks

Monitor inbound orders, shipments, and delivery status

Inventory Management

Maintain inventory within agreed safety- and cycle-stock targets

Review inventory health: safety, cycle, above-window, VAR

Drive actions to reduce excess, ageing, and obsolete stock

Report on inventory performance, turns, and stock health

Supplier Management

Manage day-to-day supplier communication on orders, shipments, and production schedules

Track supplier OTIF and escalate issues as needed

Collaborate across Supply Chain, Operations, Logistics, Finance, and Quality to resolve issues

Coordinate inbound logistics with suppliers and logistics partners

Data & Systems Management

Maintain all master data across ERP systems (lead times, MOQs, reorder points, costs)

Audit and update data regularly for accuracy

Analyse ERP and Excel data to support planning and forecasting accuracy

Cross Functional Collaboration

Work closely with Procurement, Operations, Logistics, Finance, and Quality teams

Align with global Supply Chain teams on priorities and actions

Contribute to planning reviews with insights on demand, inventory, and supplier performance

Key Performance Indicators

Product Availability %

Fill Rate %

Inventory health

Supplier On-Time Delivery %

Inbound Deliveries Past Due %

Master Data Accuracy %

Skills & Qualifications

Minimum 2 years’ experience in supply chain, planning, or inventory management

Strong analytical skills and advanced Excel capability

Proficient in at least one ERP system; experience with multiple is an advantage

High attention to detail and structured problem-solving

Clear communicator and effective collaborator

Strong ownership and accountability mindset

Bachelor’s degree in supply chain, Business, or related field preferred

Experience in manufacturing, automotive aftermarket, or multi-SKU environments desirable

Core Competency Requirements

Communication-Conveys information clearly and effectively across audiences

Collaboration-Works effectively with others to achieve common goals

Trust & Results-Takes ownership of work and delivers high-quality outcomes

Innovation-Seeks better ways of working and embraces change

Technical Expertise-Proven capability to perform tasks requiring specific knowledge, experience or professional qualifications

Leadership-Inspires and enables others to achieve goals and develop their potential

About MPG

MPG is a global collective servicing the classic British and Specialty automotive hobby. From MGs to Austin Healeys, Triumphs to Classic Mini, our goal is to be leading worldwide source for British and Specialty automotive parts and accessories. Land Rover, Jaguar, and even the Mazda Miata, our passion for amazing sports cars is only shadowed by the passion of the cars owners around the world.

We are made up of 3 distinct companies, who all share the same goals and values. Moss (Moss Miata, Moss Motors, and Moss Europe), Rimmer, and SNG Barratt, strive to meet the needs of all owners, from basic maintenance to performance products, brake pads to superchargers. We craft our own upholstery, design our own products, and source the best quality parts for the cars we serve found anywhere around the world. 

Join a team that works hard, has fun, and is committed to the future of the hobby through integrity, teamwork, and an inventive automotive spirit.