21 july 2026
Do you have a strong technical background, are you curious about the latest developments in horticulture and are you looking for a role with international impact? Would you like to work at the interface of research, practice and sustainability? Then RHP offers you a unique opportunity!
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 an:
(32–40 hours per week)
As a technical advisor, you play a key role in translating (new) knowledge into practical applications. You advise substrate producers and raw material suppliers on quality, sustainability and process improvements.
No two days are the same. One week you visit raw material locations in Europe or beyond; the next, you discuss technical issues with producers or analyse research results with colleagues at the office. You also occasionally visit growers to see how growing media perform in practice. With your expertise, you help producers optimise their processes and realise high-quality, sustainable products.
Are you entrepreneurial and interested in the latest developments in substrates and substrate raw materials? Do you enjoy international travel and using your communication skills to help others move forward? Then we are looking for you!
We are looking for someone with:
Experience with growing media is an advantage, but not a requirement. We are happy to invest in the further development of professionals who have the ambition to become specialists.
At RHP, you will work in a small, close-knit and expert team that will welcome you warmly. You will have the opportunity to develop your expertise and grow into a recognised specialist in a unique field.
We offer, among other things:
Does this role appeal to you and would you like to contribute to the future of sustainable growing media? Send your CV and motivation letter to Martine Holtkamp, Managing Director of RHP, via holtkamp@rhp.nl or contact Marco Zevenhoven, Operational Director of RHP, if you have questions about the role, via tel. +31 (0)174 - 62 03 60.
www.rhp.nl
No agencies please.