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Laboratory Technician - Aquatic Ecotoxicology

Job in 4108, Witterswil, Kanton Solothurn, Switzerland
Listing for: Eurofins
Full Time position
Listed on 2026-06-18
Job specializations:
  • Science
    Research Scientist
  • Research/Development
    Research Scientist
Salary/Wage Range or Industry Benchmark: 80000 - 100000 CHF Yearly CHF 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: Witterswil

Company Description

The Eurofins Agroscience Group is one of Europe's leading Contract Research Organisation service providers. We conduct field and laboratory studies to determine the safety of new substances and organisms (e.g. microbials) for humans and the environment, as well as their effectiveness. We are experts in conducting global field and laboratory studies in accordance with GEP and GLP, exposure assessment studies, ecotoxicology, product chemistry, testing of physicochemical properties, and environmental fate and metabolism studies.

In addition, we support our customers in every phase of the regulatory approval process. Our in‑house team of regulatory experts works together with our network of field stations, laboratories, and partners.

Eurofins IES AG is a Swiss company located near Basel, right at the crossroads of France. Since our founding in 2008, we’ve grown to become a mid‑size company. Our expertise spans several specialist fields, including environmental fate, aquatic ecotoxicology, animal and crop metabolism, and analytical chemistry. We’re passionate about advancing scientific research and providing reliable, high‑quality testing services.

Our location and the expertise required from our employees has allowed the company to grow into a successful, multicultural organisation. The IES management team is also composed of scientists, and science is at the heart of all the decisions we take. Over the past 15 years IES has conducted thousands of studies across different service areas.

Job Responsibilities
  • Perform all tasks in an accurate, precise, autonomous, and timely manner based on the project and subsequent laboratory planning of the Ecotox Biology department and according to GLP compliant SOPs.
  • Set‑up, maintenance and subsequent performing of all static, semi‑static and flow‑through tests with all fish species across OECD guidelines.
  • Perform general tasks including drafting/revision of SOPs, equipment calibration, lab maintenance, etc.
  • Setting, controlling, maintaining, and mounting of automated static, semi‑static but in particular flow‑through systems.
  • Work with various fish species across all life stages including eggs: selecting, observing, registering biometrical data and taking biological samples such as blood.
  • Work with and maintain aquaria of various sizes allowing a high throughput.
  • Prepare and apply chemical solutions across test systems.
  • Take samples and subsequently measure biological, physical‑chemical and physiological parameters.
  • Enter data and work with different types of software.
Qualifications
  • Preferably a bachelor’s degree in biology (or related scientific domain).
  • A valid certification/license regarding working with animals LTK1 (or even better LTK2) is mandatory.
  • Preferably 2 years of experience in a GLP regulated environment.
  • Preferably 2 years of experience with fish testing.
  • Preferably 2 years of experience performing OECD tests with fish species in a GLP regulated CRO environment.
  • Knowledge of OECD based fish testing in a GLP regulated environment.
  • Knowledge of keeping, handling, sampling (blood, and other tissues) and testing fish.
  • Knowledge of maintenance of flow‑through systems.
  • Knowledge of EIA is an asset but not mandatory.
  • English (fluent), German (preferably fluent), French (would be an asset but not mandatory).
  • Working accurately and timely in a strictly regulated environment according to detailed SOPs.
  • Working strictly accordingly to the planned provided and delivering results prior to the respective deadline.
  • Working and handling highly technical static, semi‑static and especially flow‑through systems and hereby performing the test accurately and in timely including performing the required manipulation of equipment, aquaria, etc.
  • Having an eye for detail hereby directly reporting failures or deviations.
  • Working in a highly motivated and dynamic team.
  • Working in a fast‑paced environment within a CRO framework.
Additional Information
  • Working environment:
    Flat hierarchies, short decision‑making processes, and a friendly working atmosphere with a modern laboratory infrastructure and state‑of‑the‑art analytical equipment.
  • Onboarding: A comprehensive onboarding and induction program with mentors and buddies to help you get off to a smooth start.
  • Work‑life balance:
    Flexible working hours and opportunities for mobile working when applicable.
  • Company events:
    Company parties and team events.
  • Catering:
    Free coffee and water dispensers, variety of food truck options.
  • Development opportunities:
    Development discussions and the opportunity for individual and regular further training, as well as the chance to pursue a variety of career paths within the Eurofins Group.
  • Attractive benefits: company pension scheme, free language courses, subsidized yoga course and free parking.
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