Material Controller

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, returns and inventory adjustments.
• Ensure appropriate shift cover is maintained to support operational requirements.

Experience / skills required:  

• Experience in inventory control, warehouse operations, manufacturing support, people management and supply chain administration.
• Strong knowledge of SAP inventory management and inventory control processes.
• Proven experience managing stock reconciliations, inventory reporting, audit activities and production support within a fast-paced manufacturing environment.
• Strong analytical skills, with the ability to investigate root causes, interpret data and identify practical solutions.
• Excellent planning, organisation and problem-solving skills, with strong attention to detail.
• Effective stakeholder management and communication skills, with the ability to build collaborative relationships across teams.
• Understanding of inventory governance, compliance and audit requirements.
• A proactive, organised and continuous improvement mindset, with a commitment to operational excellence and delivering accurate, high-quality outcomes.

Flexibility is key to our success. Talk to us about what flexibility means to you, so that you’re supported to manage your wellbeing and balance your priorities from day one.

Our purpose is crafting iconic drinks chosen for life’s moments. And it’s our people, with their different experiences, perspectives and talents, who make that possible.

We value diversity in its broadest sense and want everyone to feel they can belong, contribute and strive for their personal best. You’ll work alongside people with different backgrounds, experiences and perspectives — challenging, supporting and learning from one another as one

outstanding team.

Together, we’re constantly learning and improving, combining the strength of our people, capabilities and iconic brands to raise the bar, grow and win. Wherever you join us, you’ll have the opportunity to contribute, make an impact and play your part in making life’s moments mean a little more.

Ready to bring your best? This could be your opportunity.

If you require a reasonable adjustment, please ensure that you capture this information when you submit your application.

Recruitment Scam Warning

Protecting candidates is very important to us. All communications regarding your application will come from an email address ending in @diageo.com. In our recruitment process, we'll never ask for money.

Worker Type :

Regular

Primary Location:

Marshalls Road

Additional Locations :

Job Posting Start Date :

2026-09-17