Job Description :
Job Title: Material Controller
Location: Marshalls Road, Belfast
Contract: Permanent
Closing Date: 1st October 2026
About Us
With over 200 brands sold in nearly 180 countries, Diageo is home to some of the world's most iconic drinks. From Johnnie Walker and Guinness to Tanqueray, Smirnoff and Don Julio, we craft brands chosen for life's moments - from everyday connections to landmark celebrations.
Bring your talent, curiosity and ambition, and strive for your personal best alongside people who challenge, support and learn from each other. Together, as one outstanding team, we keep learning, improving and raising the bar for our brands, our business and each other.
Join us and play your part in making life's moments mean a little more.
About the Function
Supply Chain & Manufacturing is where our brands are made, moved and delivered to the world.
With over half of our people working across more than 100 sites, this is a complex, large-scale operation that brings together production, logistics, engineering and supplier partnerships.
It's fast-paced and hands-on, with teams working together to ensure quality, efficiency and sustainability at every stage. From sourcing ingredients to getting products into customers' hands, you'll play a role in delivering the brands people know and love.
About the role
As an Inventory & Materials Coordinator, you'll be responsible for the accurate management, control, reconciliation and reporting of packaging and raw material inventories that support our canning operations. You'll play a key role in maintaining SAP inventory accuracy, ensuring uninterrupted production, safeguarding stock integrity, and supporting compliance with financial, audit and governance requirements.
Business Context
Operating within Beer Category Operations, you'll support the production and supply of Diageo's beer portfolio by delivering robust inventory management, material control and SAP transaction governance. Your work will be critical in maintaining inventory accuracy, ensuring material availability and supporting Diageo's purpose of "Crafting iconic drinks, chosen for life's moments."
Scope
Supporting the Belfast Packaging canning production lines, you'll manage the end-to-end administration of packaging and raw material inventories, including cans, trays, lids, pallets and other production components. Working closely with Manufacturing, Planning, Logistics, Warehousing, Procurement, Finance, Quality and external suppliers, you'll ensure accurate inventory control and material availability to support efficient production operations.
You’ll oversee goods receipt processing, stock reconciliations, supplier reconciliations, production order adjustments, inventory reporting, stock take activities, audit support and SAP inventory transactions. As the site's subject matter expert for inventory management, you’ll also ensure compliance with internal controls, audit requirements and CARM standards.
What you’ll be doing
Inventory & Materials Management
- Maintain accurate inventory records and reconcile SAP stock against physical inventory.
- Process supplier deliveries and goods receipts accurately within SAP.
- Investigate stock discrepancies and implement appropriate corrective actions.
- Monitor stock movements, blocked stock and inventory variances.
- Manage production order inventory adjustments and stock reconciliations.
Production Support & SAP Governance
- Support canning operations by ensuring effective material control and component availability.
- Manage SAP inventory transactions, including goods receipts, stock transfers, adjustments, reversals and inventory reporting.
- Monitor production plans and material requirements to support operational continuity.
- Resolve system issues and maintain the integrity of inventory data.
Audit, Compliance & Stock Take Management
- Ensure compliance with inventory governance, financial controls and CARM requirements.
- Maintain accurate, audit-ready documentation and supporting evidence.
- Coordinate cycle counts, annual stock takes and inventory investigations.
- Support internal and external audits, including approval processes for inventory adjustments.
Continuous Improvement
- Identify opportunities to improve inventory controls, reporting and stock accuracy.
- Drive process standardisation and operational efficiency.
- Support warehouse and inventory improvement initiatives.
Stakeholder Management
- Build strong relationships with Manufacturing, Planning, Logistics, Procurement, Finance, Quality, Warehouse Operations and Line Support teams to ensure inventory accuracy and continuity of supply.
- Collaborate with logistics providers, suppliers, auditors and external partners to resolve inventory, delivery, compliance and reconciliation issues.
People Management
- Provide day-to-day oversight of the Store Operatives responsible for staging and issuing packaging materials to the production lines, ensuring the timely reconciliation of materials used, re
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Material Controller employer: Diageo
Diageo is an exceptional employer, offering a dynamic work environment in Runcorn where you can lead a dedicated team in the bottling operation of some of the world's most iconic drinks. With a strong focus on employee development, diversity, and continuous improvement, you'll have the opportunity to make a meaningful impact while enjoying a supportive culture that values your contributions and well-being. Join us to craft memorable moments and grow your career in a globally recognised brand.
