27 februarY 2026
RHP is an internationally recognised knowledge centre for potting soils and growing media. The core value of RHP is safeguarding the quality and safe application of substrates for plants and users. Our leading quality marks RHP and RAG provide a reliable foundation for affiliated substrate producers and their raw material suppliers, and therefore also for users in professional horticulture and the consumer market. To strengthen this work and further support our network, RHP is looking to expand its team with a…
Bridge between research and practice
As a technical advisor, you translate the knowledge developed within RHP into practical advice for substrate producers and their raw material suppliers, both in the Netherlands and internationally. You will be on the road frequently: one moment you are at a peat bog in Estonia assessing which weeds are growing there, and the next you are discussing pH levels, nutrients or the composition of a mixture at a substrate producer. You will also occasionally visit growers to see how the substrate performs in practice. You will find yourself in unique locations, from the United States to India. As a welcome counterpart, you will also work regularly at our office in ’s‑Gravenzande (The Netherlands), where you can prepare improvement analyses, a presentation, or a training session. This variety makes the work diverse and enjoyable. With your expertise, you help producers optimise their processes and create high‑quality and sustainable products.
Are you entrepreneurial and interested in the latest developments in growing media and substrate raw materials? Do you enjoy travelling within the Netherlands and abroad, and do you have communication skills you like to use to help others move forward? Then we are looking for you! We are looking for someone with:
At RHP you work in a small, close‑knit expert team that will welcome you with open arms! Because this is a specialised position, we offer an extensive internal training and guidance programme tailored to your knowledge and experience. In addition, you can expect:
Are you our new technical advisor? Then send your CV and motivation letter to Martine Holtkamp, Managing Director of RHP, via holtkamp@rhp.nl or call her if you have any questions about the vacancy at +31 6 26 61 06 81.
Acquisition in response to this vacancy is not appreciated.