Expert Risk Assessment Ecotoxicology and Environmental Fate


Expert Risk Assessment Ecotoxicology and Environmental Fate

within the Registration Services & Risk Assessment team in Zeist

Who are we?

DUCARES B.V. | trading as TRISKELION is an internationally oriented Contract Research Organization providing innovative services. We improve and safeguard people’s health and well-being by ensuring the quality, safety and efficacy of food, medicines and chemical products. Through personal commitment, high-quality research and professional advice, we support our customers in developing products that contribute to a better quality of life.

TRISKELION has around 125 employees and the TRISKELION division is still based in Zeist. However, mid 2020, this division will relocate to Utrecht. DUCARES is already located in Utrecht. DUCARES B.V. and TRISKELION B.V. have been merged as of 1 January 2020.

Your field

We are a commercial contract and research laboratory (CRO) active in the Food, Feed, Pharma and Chemistry sectors. With over 100 colleagues, we help customers to guarantee the integrity and safety of their products and services. We focus in particular on analyzing and predicting the behavior of substances and their influence on human, animal and environmental health. In addition to guaranteeing the authenticity and suitability of various raw materials and products for the various branches, we also test products for the presence of prohibited substances.

You will join a professional, informal organization with an open culture, where people are strongly committed to taking initiative and personal responsibility. The customer focus combined with an extensive analysis portfolio and knowledge of relevant laws and regulations ensure a unique positioning in the market.

To strengthen the “Registration services and risk assessment” department, we are looking for an enthusiastic colleague for assessing safety and risks of chemicals. Triskelion offers the chemicals- and packaging industry all the expertise needed to guarantee the safety of chemicals, biocides and food contact materials for humans and the environment.

Your tasks

  • Advise customers on registration strategy for their chemicals and biocides
  • Literature search and processing of data
  • Compile (parts of) dossiers in scope of REACH and BPR
  • Hazard assessment (Classification and Labelling, PNEC derivation, PBT assessment) with regard to ecotoxicology and environmental fate
  • Explore and evaluate opportunities for read-across
  • Compile expert statements
  • Emission assessment by use of appropriate methods and tools, such as ECETOC TRA, EUSES, Focus-pearl
  • Perform risk assessments by CHESAR, EASY TRA and subsequent description of Exposure Scenarios
  • Report results to colleagues and customers
  • Keep track of relevant developments in REACH & Biocides regulations
  • Build on customer relationships and write project proposals together with project managers

Your qualities

  • MSc working and thinking level, for example by training in (analytical) chemistry, biology, toxicology, biomedical / health sciences, with at least 5 years of relevant work experience
  • Knowledge of and experience with tools required for REACH and Biocides dossier preparation and risk assessment
  • Accurate, initiative-rich and problem-solving
  • Used to work under time pressure related to regulatory deadlines
  • Positive, energetic attitude and able to inspire teammates as well as to work independently
  • Good written and oral expression skills in the English and Dutch language
  • Extensive experience with Excel spreadsheets and formulas (including VBA) is a pro

Our offer

  • Challenging projects with various (inter) national clients
  • Opportunities to develop (further) as an expert in the field of Risk Assessment
  • A collegial and informal working atmosphere
  • A full-time position. Part-time fulfillment with a minimum of 32 hours is negotiable


If you have questions about this vacancy, please contact:

Evert Mulder | Team Manager Registration Services & Risk Assessment | + 31 6 3070 9971

Get in touch with Margriet | HRM:

Apply now!

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Apply now!

  • Accepted file types: jpg, png, pdf, docx, doc.