Programme Manager

RHP - My RHP Vacature: Programme Manager Responsible Sourcing 21 july 2026 Do you want to help shape the sustainability of international supply chains? Responsible sourcing of raw materials, transparency in the chain and reducing environmental impact are high on the agenda in the international growing media sector. Do you want to bring parties together, help accelerate sustainable developments and build widely supported certification schemes? Then this role at RHP could be for you! RHP is the international knowledge centre for potting soil and growing media. Our quality marks are used worldwide by substrate producers and raw material suppliers. From our office in 's-Gravenzande, the Netherlands, we work every day on the quality, safety and sustainability of growing media for professional horticulture and the consumer market. To strengthen our team, we are looking for a: Programme Manager Responsible Sourcing (32-40 hours per week) Connect sustainability and quality in an international environment As Programme Manager Responsible Sourcing, you will be responsible for the further development and positioning of the Responsibly Produced Peat (RPP) and Responsibly Produced Coir (RPC) certification schemes, and you will support their practical implementation among raw material and substrate producers. You will work in an international environment with representatives of companies, scientists, trade associations and non-governmental organisations. Connecting people, motivating stakeholders and guiding decision-making processes are an important part of your work. What will you do? - Further develop and implement certification schemes for responsible production and sourcing - Guide international consultation and decision-making processes - Create support among companies, stakeholders and supply chain partners - Translate complex sustainability themes into practical applications - Represent RHP in international networks an...