Nom du site: UK - Essex - Harlow, Belgium-Wavre, USA - Pennsylvania - Upper Providence Data de publication: Jun 16 2026 As the Global Production & Materials Demand Planner, you will provide the global demand forecast analysis, manage inventory and support the component availability for items manufactured across the Clinical Supply Chain network of sites. The Global Production & Materials Demand Planner delivers the network capacity picture, assisting with analysis and scenario plans to ensure we are optimising our network effectively in a constantly evolving landscape. This is a critical role to the delivery of clinical trial supplies to patients and offers an existing opportunity to drive change and improvements in process at an exciting time for CSC. We create a place where people can grow, be their best, be safe, and feel welcome, valued and included. We offer a competitive salary, an annual bonus based on company performance, healthcare and wellbeing programmes, pension plan membership, and shares and savings programme. We embrace modern work practises; our Performance with Choice programme offers a hybrid working model, empowering you to find the optimal balance between remote and in-office work. Discover more about our company wide benefits and life at GSK on our webpage Life at GSK | GSK In this role you will Forecasting, purchasing and inventory management of packaging components to ensure on-time availability to enable completion of the global production schedules on time and in full. Execute site to site transfer of components when necessary Develop processes to align the forecasting of packaging components to the Packed Kit and Primary Pack forecasting processes using available tools Maintain an achievable load-balanced forecasts for all primary and secondary clinical packaging demand, highlighting where conflicts occur in a timely manner to allow for demand externalizing and owning any remedial activities Create and measure customer service performance metrics for Third Party Suppliers, ensuring timelines and commitments are met in full Lead Vendor complaints, approve Vendor root cause analysis (RCA) and Corrective action reports for the business. Engage and assess Vendor supplier capabilities. Resolve vendor and GSK Finance queries. Act as the Packaging Operations lead in the Network Capacity Review, Demand Review and Pre-Supply Chain Board forums Identify and own process improvement opportunities Why you? Basic Qualifications & Skills: We are looking for professionals with these required skills to achieve our goals: Experience of supply chain planning and scheduling (rough cut and finite), with proven ability to present required data. Experience in inventory management including procurement, establishing optimal stock holding levels and dealing with invoice queries Experience of working directly with third parties Advanced MS Excel skills and experience in creating Power BI dashboards (highly advantageous), competent in MRP and forecasting systems. Familiar with other MS applications. Proven project Management Skills. Demonstrated ability to set and reach challenging goals, high standards of performance and ability to resolve difficulties. Previous experience with GSK planning/procurement systems. Preferred Qualifications & Skills: Please note the following skills are not necessary, just preferred, if you do not have them, please still apply: Strong GMP knowledge Ability to influence at all levels of the organization, both internally and externally Collaborates with others and bridges personal, business and cultural differences to work effectively in team settings Experience of delivering Continuous Improvement projects and/or Lean Six Sigma (OE) tools in the business environment Closing Date for Applications 30th June 2026 – (COB) Please take a copy of the Job Description, as this will not be available post closure of the advert. When applying for this role, please use the ‘cover letter’ of the online application or your CV to describe how you meet the competencies for this role, as outlined in the job requirements above. The information that you have provided in your cover letter and CV will be used to assess your application. At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform people’s lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients’ needs and have the highest probability of success. We’re uniting science, technology, and talent to get ahead of disease together. Find out more: Our approach to R&D.    Belgium Salary Range / Fourchette salariale – Belgique: EUR 69,150 to EUR 115,250The annual gross base salary range for new hires in this position is listed above for each applicable location. These ranges take into account a number of factors including the candidate’s skills, experience, education level and the market rate for the role. In addition, this position may offer an annual bonus and eligibility to participate in our share based long term incentive program which is dependent on the level of the role. More detailed information on the total benefits package will be supplied during the recruitment process. This role is available for applicants from multiple locations, and therefore salary ranges for certain locations are also shown. Salary ranges for other locations are shown because some markets have pay transparency laws that require salary information on job postings, and those locations are potential job sites for this role. If salary ranges are not displayed in the job posting for a specific location or country, the relevant compensation will be discussed during the recruitment process. Please note salaries vary by country based on the candidate’s skills, experience, education level and the market rate for the role. Offers are typically made within the advertised range based on the candidate’s skills, experience and qualifications, with the upper end generally reserved for highly experienced candidates or other exceptional circumstances aligned with these criteria. Why GSK? Uniting science, technology and talent to get ahead of disease together. GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases – to impact health at scale. People and patients around the world count on the medicines and vaccines we make, so we’re committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people. GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law. We believe in an agile working culture for all our roles. If flexibility is important to you, we encourage you to explore with our hiring team what the opportunities are. 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