Supply Planning Improvement Manager 

Supply Planning Improvement Manager 

Contract: Permanent 

Location: London, Budapest or Amsterdam 

Closing Date: 8th December 2025 

We are looking for a Supply Planning Improvement Manager to join our team and play a key role in advancing Diageo’s digital and supply chain excellence journey. In this critical position, you will drive digital adoption, change management, process improvement, data governance, and quality, while providing leadership and fostering collaboration across the Africa supply teams. 

About Us  

With over 200 brands sold in nearly 180 countries, we’re the world’s leading premium drinks company known for our wonderful collection of iconic brands such as Johnnie Walker, Smirnoff, Baileys, Captain Morgan, Tanqueray, Guinness and more. Bring your passion and use your curiosity as you explore, collaborate and innovate to build brands consumers love. Together with passionate people from all over the world, you’ll test new ideas, learn and grow, and unlock a brighter, more exciting future. Join us to create a career worth celebrating! 

About The Function 

Our Supply Chain and Manufacturing team are problem-solvers, sourcing, producing, and delivering our much-loved brands to delight customers around the globe. Over half of Diageo’s 30,000+ people work in Supply Chain and Manufacturing. It’s an intricate and sophisticated operation that’s the product of logistical, manufacturing, and technical collaborations.  

Our teams in 100 sites in over 30 countries cover production facilities, supplier relationships, customer collaborations and third-party agreements. We’re committed to realising our ‘Society 2030: Spirit of Progress’ goals, to protect the environment and support our farmers and suppliers. Whatever your skills and experience, we’ll help you to thrive in our inclusive culture. 

About the Role 

The Supply Planning Improvement Lead (DRP/MPS/MRP) plays a pivotal role in advancing Diageo’s digital and supply chain excellence journey. This position is responsible for driving digital adoption, change management, process improvement, data governance, and quality, while providing leadership and fostering collaboration across the Africa supply teams. 

As the category expert for sophisticated supply planning, you will ensure system functionalities meet business needs through training, troubleshooting and adoption support. You will also complete global master data standards and governance frameworks, ensuring master data is accurate and follows global standards.  

Collaboration is central to this role. You will work closely with stakeholders across planning teams, global process owners, project teams, and planning & logistics teams to maintain data integrity and drive continuous improvement throughout the function. 

Key responsibilities will include: 

Systems & Digital Adoption 

• Key User for Digital Tools: Serve as the primary liaison between planning users and global teams, ensuring seamless functionality, troubleshooting issues, and participating in global and local Key User Networks. 

• Drive Adoption and Effectiveness: Promote best practices to enhance tool usage, monitor compliance with governance standards, and proactively address deviations to maintain operational efficiency and system accuracy. 

• Train and Support Users: Enable teams to adopt new tools through training, guidance, and ongoing support, improving capabilities and adoption. 

• System Improvements: Lead system enhancement initiatives, define priorities, engage stakeholders, and ensure successful adoption. 

Change Management & Process Improvement 

• Drive Continuous Improvement: Monitor and analyse process performance, identify improvement opportunities, lead enhancements, and implement waste prevention programmes using root cause analysis. Develop and roll out training and documentation for new processes/tools. 

• Supply Chain Maturity Assessment: Lead initiatives to improve functional maturity, conduct loss analysis, and ensure global standards are maintained. 

Data Governance & Quality 

• Establish Data Governance Framework: Define policies and procedures to ensure consistency and compliance across planning tools and teams. Ensure parameter settings align with global standards, operating strategies, and SLAs. 

• Monitor and Improve Data Quality: Define metrics to assess data quality, conduct regular audits, implement corrective actions, and translate business requirements into effective planning parameters and processes. 

Leadership & Stakeholder Collaboration 

• Optimize Planning & Execution: Define planning strategies, coordinate business transformation initiatives, and ensure seamless integration of data and systems across teams. 

• Stakeholder Engagement: Collaborate with cross-functional teams, assess planning capabilities, standardise processes, and drive continuous improvement. 

• Effective Change Management: Define and implement change management strategies to support smooth adoption of new processes and tools. 

About You 

You are a passionate and driven supply chain planning professional with a strong focus on systems, digital technologies, and operational excellence. You thrive in fast-paced FMCG environments and enjoy inspiring change, improving ways of working, and collaborating with diverse teams across geographies. 

Key attributes: 

• Experience in supply chain planning (ideally in DRP/MRP/MPS) within FMCG and knowledge of tools such as SAP, OMP (beneficial). 

• Strong planning systems and process knowledge, with an ability to optimise workflows and improve operational efficiency. 

• Own initiative and proactive approach to work, with the ability to challenge, manage multiple priorities and meet deadlines. 

• Clear and effective communicator, both written and verbal, with excellent attention to detail. 

• Passionate about digital systems, driving adoption and continuous improvement within teams. 

• Experienced in building capability, promoting best practices and influencing stakeholders to achieve results. 

• Skilled in relationship-building and teamwork across diverse geographies and cultures. 

• Flexible, agile and resilient, able to work effectively in ambiguous or unstructured environments and solve complex problems. 

Working with Us  

Our purpose is to celebrate life, every day, everywhere. And creating an inclusive culture, where everyone feels valued and that they can belong, is a crucial part of this. We embrace diversity in the broadest possible sense. This means that you’ll be welcomed and celebrated for who you are just by being you. You’ll be part of and help build and champion an inclusive culture that celebrates people of different gender, ethnicity, ability, age, sexual orientation, social class, educational backgrounds, experiences, attitudes, and more.  

Our ambition is to create the best performing, most trusted and respected consumer products companies in the world. Join us and help transform our business as we take our brands to the next level and build new ones as part of shaping the next generation of celebrations for consumers around the world. 

Feel inspired? Then this may be the opportunity for you!  

If you require a reasonable adjustment, please ensure that this information is collected when application is submitted.