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As part of the Research, Technology & Growth Direction, the Research & Development team has a corporate mission across the Prayon Group’s four sites, covering technology and product development as well as environment and circular economy.

As a Research & Process Development Engineer, your job is to provide scientific support for the Prayon Group’s plant operators, sales staff, Prayon Technology Direction and the departments responsible for innovation.


  • Manage research and development projects in laboratory, pilot and factory up to the industrialisation phase – mainly at our Engis and Puurs production sites ;
  • Participate in the initial maintenance of equipment/automats used in laboratories ;
  • Coordinate, lead and motivate the technical staff in your team ;
  • Develop your scientific knowledge, among other things, on the basis of the scientific literature ;
  • Be a point of reference to provide advice and support, and act as the internal or external client contact for aspects related to the progress of the studies ;
  • Make short business trips (a few days).


  • Master’s degree in civil engineering in chemistry, agronomy or any other relevant field; a PhD is an asset ;
  • Several years’ proven experience in process and research in the chemical or agri-food sector or any other sector related to Prayon’s activities ;
  • Experience in process and in new product and process development ;
  • Ideally bilingual in French and Dutch (at least able to work in Dutch) with an excellent command of English ;
  • Analytical and synthetic mind, coupled with a broad creativity ;
  • With both a focused and a “helicopter” view ;
  • Good management of priorities ;
  • Good organisational skills and rigour ;
  • Able to work independently while actively collaborating with the team ;
  • Strong interpersonal and communication skills.
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    About working at Engis

    Engis is home to Prayon headquarters as well as its main production site and a R&D center that manufactures and develops an extensive range of phosphate salts, purified phosphoric acids used in horticultural, agri-food, and industrial applications. The site also hosts Prayon Technologies, the Licensing division of Prayon for phosphoric acid processes and others related to phosphorous chemistry - and Profile that markets top-of-the art process equipment for phosphoric acid plants.

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    Why work at Prayon?

    A fascinating job in an international Group

    Phosphorus is an essential nutrient for the health of both humans and plants, and the life of the planet. It is part of our DNA. The core of our company is our people, their values and their shared vision, and the sustainable technologies that help them to enrich everyone’s every day.

    Working in locations around the globe, each and every one of our experts brings their unique skills and infectious dynamism to bear by improving the quality and effectiveness of the products we offer. It is thanks to them that we stay on top of the market and can develop the technologies of tomorrow. But, in order to keep our place as a leader in our sector, we always stay on the lookout for talented individuals.

    Are you ready to join us and make the difference?
    Benefits for you
    Key figures for the Prayon group

    Production sites

    Active in more than


    Technology used in over

    Phosphoric acid plants



    In million euros

    Group turnover

    In the world

    R&D centers

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