Job description
We have an exciting opportunity for a a passionate and experienced Senior Ecotoxicologist, specialising in Endocrine Disruption (ED), to join our dynamic Global Science Delivery team. As a key member of the team, you will drive the design, delivery and interpretation of complex, critical ecotoxicology studies, demonstrating expertise in a range of terrestrial and aquatic disciplines. You will partner with our strategic global Contract Research Organization (CRO) network to ensure data alignment with Syngenta standards and practices, working closely with the Global Ecotox team, a network of experts across the organisation and project representatives, to deliver best-in-class technical inputs. Key responsibilities will include:
- Designing and managing a range of ecotoxicology studies conducted at CROs in support of the development and registration of new active ingredients and existing products globally.
- Analysing complex datasets and interpreting results, while developing and owning global ED technical positions on Syngenta AIs.
- Collaborating with global regulatory teams to deliver leading-edge, fit-for-purpose approaches, aligned with regulatory requirements.
- Acting as a recognized ED expert for support with regulatory challenges and the development of appropriate technical strategies.
- Delivering high-quality ecotoxicology data while providing technical leadership and developing innovative strategies.
Syngenta Crop Protection is a leader in agricultural innovation, bringing breakthrough technologies and solutions that enable farmers to grow healthy and nutritious food while taking care of the planet. We offer a leading portfolio of crop protection solutions for plant and soil health, as well as digital solutions that transform the decision-making capabilities of farmers. Our 17,900 employees serve to advance agriculture in more than 90 countries around the world. Syngenta Crop Protection is headquartered in Basel, Switzerland, and is part of the Syngenta Group.
Our employees reflect the diversity of our customers, the markets where we operate and the communities which we serve. Regardless of your position, you will have a vital role in safely feeding an ever-increasing population while taking care of our planet. Join us and help shape the future of agriculture.
What are we looking for?
- BSc & MSc / Ph.D. in Biology, Ecotoxicology, Environmental Toxicology, or a closely related field
- Extensive experience in ecotox studies under GLP environment, preferably in ED testing methods.
- Good understanding of global ecotoxicology data requirements for Plant Protection Products and the broader context in which they sit (risk assessment, changing regulatory landscape, new guidance).
- Proven expertise in developing and advocating technical ED strategies.
- The ability to demonstrate innovative thinking in problem-solving and emerging science, while adeptly manage complex situations, and communicate effectively with diverse stakeholders to drive business-critical solutions.
Our site
Jealott's Hill International Research Centre UK is situated in pleasant semi-rural surroundings between Bracknell and Maidenhead and is the place of work for approximately 800 Syngenta scientists and support staff. Jealott’s Hill is one of the main global research and development sites and key activities include research into discovery of new active ingredients, new formulation technologies, product safety and technical support of our product range.
What we offer
- Extensive benefits package including a generous pension scheme, bonus scheme, private medical & life insurance.
- Up to 31.5 days annual holiday.
- A position which contributes to valuable and impactful work in a stimulating and international environment.
- The chance to work as part of a global team to address the current and future needs of the agricultural sector.
- Learning culture and wide range of training options.
Syngenta has been ranked as a top 5 employer and number 1 in agriculture by Science Journal.
Syngenta is an Equal Opportunity Employer and does not discriminate in recruitment, hiring, training, promotion or any other employment practices for reasons of race, color, religion, gender, national origin, age, sexual orientation, marital or veteran status, disability, or any other legally protected status. Learn more about our D&I initiatives here: https://www.syngenta.com/careers/working-syngenta/diversity-and-inclusion
Jealott’s Hill has Disability Confident certification.
We are committed to making all stages of our recruitment process accessible to all candidates and our Jealott’s Hill site are a Disability Confident Level 2 Employer. Please let us know if you need any assistance or reasonable adjustments throughout your application and we will do everything we can to support you.

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Join the most trusted and collaborative team in agriculture
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Every one of our talented employees helps shape who we are and the impact we make on agriculture.
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