Planning Process Manager

We have an exciting opportunity for an Planning Process Manager to join the ERP Evolution Programme – Global Planning team, on a secondment/ fixed term contract till 30 November 2027**.

Business Introduction

We manufacture and supply reliable, high-quality medicines and vaccines to meet patients’ needs and drive our performance.
Our network of 37 medicines and vaccines manufacturing sites delivered 1.7 billion packs of medicines and 409 million vaccine doses in 2024 to help make a positive impact on the health of millions of people. Our supply chain is not just core to our operations; it’s vital to bringing our innovations to patients as quickly, efficiently and effectively as possible. Technology is transforming how we manufacture medicines and vaccines, enabling us to increase the speed, quality and scale of product supply.
We need the very best minds and capability to help us on our journey to make more complex products, harnessing the power of smart manufacturing technologies including robotics, digital solutions and artificial intelligence to deliver for patients.

Position Summary

You will play a key role in shaping and improving planning processes across GSK's supply chain. This role offers a unique chance to work with diverse teams across planning, manufacturing, procurement, and external supply. We are looking for someone who is collaborative, solutions-focused, and ready to drive change in a dynamic environment. Joining GSK means you will grow your skills while making a real impact on how medicines reach people worldwide. Your work will help us continue uniting science, technology, and talent to get ahead of disease together.

Job Purpose

Reporting to the ERP Process Director – Planning, the Planning Process Manager supports the delivery, deployment and operationalisation of the global S/4 Planning template across GSK's Rx and Vx supply chains. The role owns defined planning process areas and ensures they are designed to drive business benefit and harmonize the ways of working across the global planning teams and the interface with stakeholders in sites and other functions.

The process owner will be responsible for ensuring that the planning process vision is supported by process definition, documentations (GSOPs, BPSDs, System Instruction, etc.), process testing and creation / update of associated materials (Training materials). This is including integration with OMP, APO and other planning tools. The role will support the ERP Process Director to ensure the process framework is sustainable through monitoring of adoption and adherence.

Key Responsibilities

The role will require working in collaboration with other team members within the ERP Evolution programme and the business (both internal and external to GSK), including SAP functional experts; GPO and planning excellence team; PLM (Product Lifecycle Management), Planning, Quality, BRH (Batch Release Hub) and OMP (Order Management planning) teams and the ERP deployment team with the goal to design and deliver a robust Planning process and solution. Key responsibilities will include:

• Own defined Planning process areas and ensure their end-to-end design integrates effectively with OMP, APO and other planning tools, while maintaining fidelity to global standards and approved template decisions.
• Lead detailed design, configuration input, documentation and testing for Planning capabilities, including OMP/S4 design completion and the associated sprint build activity.
• Develop and maintain process-change plans and facilitate process deep dives with business, programme and functional stakeholders to resolve design decisions, dependencies and adoption impacts.
• Define business rules, process controls, KPIs, system roles and operating-model requirements; manage template change requests, including impact assessment and value propositions for governance approval.
• Support Planning data migration, cleansing, validation and alignment across S/4HANA, OMP and connected planning systems.
• Define critical business scenarios and coordinate business readiness for UAT, DIL testing, cutover and post-go-live support.
• Produce and maintain Planning process documentation, including GSOPs, BPSDs, ARIS content and system instructions; ensure documentation updates are completed as the design matures.
• Develop, review and support rollout of training materials, including train-the-trainer activities, to enable consistent adoption of the global Planning template.
• Engage sites, local operating companies, central Supply Chain and the Supply Chain Transformation programme; capture the voice of the customer and address systemic adoption or usability issues.
• Identify and manage Planning-process risks, dependencies and bottlenecks, escalating decisions where needed and driving harmo