BioAssay Scientist

Scientific and Research Fellow, Molecular biology

Eurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the medicines you rely on, Eurofins works with the biggest companies in the world to ensure the products they supply are safe, their ingredients are authentic and labelling is accurate.

Eurofins believes it is a global leader in food, environmental, pharmaceutical and cosmetics products testing and in agroscience CRO services. It is also one of the global independent market leaders in certain testing and laboratory services for genomics, discovery pharmacology, forensics, CDMO, advanced material sciences and in the support of clinical studies.

In over 35 years, Eurofins has grown from one laboratory in Nantes, France to 61,000 staff across a decentralised and entrepreneurial network of ca. 900 laboratories in 61 countries. Eurofins companies offer a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin, traceability and purity of biological substances and products.

In 2025, Eurofins generated total revenues of EUR 7.296 billion, and has been among the best performing stocks in Europe over the past 20 years.

Unfortunately, we are unable to offer visa sponsorship for this role.

This is a fulltime, permanent position, working a flexible 37 hour week, Monday – Friday.

As a Bio Assay Scientist you will perform routine, non-routine and stability testing activities of drug substances (biologics) within the client’s Analytical Service Department.

• You will perform a range of biological and analytical testing activities, including ELISA, cell-based and Biacore assays, accurately capturing and analysing data using laboratory software and electronic laboratory notebook systems.
• You will generate, review, and maintain GMP-compliant documentation, records, reports, SOPs, protocols, and regulatory documentation, ensuring all work is completed accurately, on time, and to the highest quality standards.
• You will support laboratory operations through routine housekeeping, equipment maintenance, reagent and consumable stock management, trend analysis activities, and the investigation and resolution of technical, operational, and out-of-specification issues.
• You will contribute to scientific excellence by supporting method development, validation, troubleshooting, continuous improvement initiatives, and the implementation of best practices to ensure reliable, reproducible, and compliant laboratory processes.
• You will build strong relationships with internal and external clients, responding to queries, communicating significant findings, participating in client and Eurofins meetings, and consistently delivering exceptional customer service aligned with client expectations and service goals.
• You will maintain compliance with Eurofins, client, GMP, regulatory, quality, and safety requirements through continuous learning, training completion, knowledge sharing, mentoring colleagues where appropriate, and providing flexible support across the wider laboratory operation.

• You will hold a degree or higher qualification in a relevant scientific discipline, together with experience in a bioanalytical laboratory environment working to GMP, regulatory, and quality standards.
• You will hold practical experience in a range of bioanalytical techniques, including ELISA, aseptic techniques, cell-based and potency assays, with experience of pharmaceutical drug substance testing and Biacore assays being advantageous.
• You will hold strong technical laboratory skills, including experience of cell culture activities, Vi-Cell and manual cell counting, luminescence-based assays, flow cytometry, and the application of basic statistical analysis to support scientific decision-making.
• You will hold excellent attention to detail, organisational, and documentation skills, with a commitment to delivering accurate, high-quality results, maintaining data integrity, and achieving a right-first-time approach.
• You will hold strong communication and interpersonal skills, with the ability to build effective working relationships,…