Supply Planning Manager

JJob Title: Supply Planning Manager

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.

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:

Lead, manage, coach and develop the Supply Planning function, ensuring the required Supply Chain functional and leadership capabilities are being continuously developed in line with Diageo capabilities. Ensure that the materials and production plans (18 months horizon) and schedules (frozen horizon) are sound and robust whilst balancing customer service / cost / cash across the markets. Build and maintain excellent relationships with key stakeholders at all levels within the organization. Own the functional KPIs, inventory management and optimization for locally produced finished goods across the market. Represent the Supply Planning function within the TIER/S&OE/IBP processes.  

Provide clear direction and prioritisation of workload across the team. Achieve best in class engagement scores through value survey process. Coach, mentor and develop the team.  

Ensure supply planning systems and processes in place are aligned to global supply planning codification strategy and standards. Establish and drive effective ways of working with Data, CoE, Procurement etc.. Ensure that all master data pertaining to MRP (e.g. BOMs, recipes, lead-times, batch sizes etc.) is maintained in the appropriate information systems (e.g. SAP, ECC,  OMP, etc.). 

Driving reliability: daily/weekly/monthly tracking and improvement of In Full. Own and champion progresses. Anticipate issues, own day-week-30-90-day plans and be intentional to win.

• Excellent knowledge of MPS/MRP and DRP methodology 

• Experience in distribution / warehousing / scheduling 

• Experience within supply chain optimisation platforms (ERP / masterdata / time-phased replenishment planning systems) 

• Exceptional influencing and stakeholder engagement skills 

• Exceptional communication skills – verbal, written and presentation 

• Customer centric mindset 

• BSc in Industrial Engineering, Operations Research, Data Science, Applied Mathematics, Statistics, Computer Science, Economics or equivalent. 

• Ideally a master’s degree in business or engineering would be preferred. 

• Digital dexterity, having worked and championed digital transformation.  

• 10+ years’ experience across Supply Chain, Logistics and  Customer Service,
• Minimum 5 years in senior leadership roles.
• Proven experience leading large multifunctional teams.
• Strong experience managing Supply Planning operations within FMCG.
• Demonstrated experience leading transformation, process improvement and organizational change.
• Proven track record delivering service, cost and cash objectives.
• Strong systems experience including SAP and related planning and reporting solutions.

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