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Eurofins · Life sciences

BioAssay Senior Scientist

Eurofins Slough, England Posted Aug 14, 2026
Location
Slough, England
Workplace
On-site / per employer
Posted
Aug 14, 2026

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 laboratories work with the biggest companies in the world to ensure the products they supply are safe, their ingredients are authentic, and labelling is accurate.

Eurofins is dedicated to delivering testing services that contribute to the health and safety of society and the planet, and to its corporate responsibility to protect the environment and ensure diversity, equity, and inclusion across the entire network of Eurofins companies.

Eurofins PSS Insourcing Solutions® is a global, award-winning insourcing solution. We place our skilled team directly at the client site, managing operations seamlessly and eliminating complexities. We ensure a strategic, long-term service commitment that delivers value directly at the client’ site, utilising their facilities, equipment, and methodologies, while maintaining the same service, expertise, and cGMP compliance available at the Eurofins facility.

If you're an employee seeking an exceptional career journey, Eurofins PSS Insourcing Solutions® is your gateway to a future where innovation, collaboration, and success converge. Join us in a world where excellence knows no boundaries!

If you want to continue to help make our world a safer and healthier place, then apply for the role below and become a part of the extraordinary Eurofins network

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

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

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

Job Responsibilities that you be covering

  • The purpose of this post is associated with the performance of routine, non-routine and stability testing activities of drug substances (Biologics) within the client’s Analytical Service Department.
  • You will perform routine, non-routine and stability testing of biologic drug substances using ELISA, cell-based potency assays and Biacore (SPR) methodologies, whilst coordinating assay activities, managing project priorities and timelines, and ensuring the generation of high-quality, accurate and GMP-compliant data delivered to client expectations.
  • • You will utilise electronic laboratory systems and software, including electronic notebooks, to accurately document, analyse and report results, while tracking project progress, coordinating deliverables and ensuring all records, reports and regulatory documentation are completed in accordance with client, Eurofins and regulatory requirements.
  • • You will support method development, validation, troubleshooting, trend analysis and OOS investigations, applying strong scientific expertise and project management skills to deliver study objectives, mitigate risks, resolve technical issues and contribute to the successful execution of client programmes.
  • • You will act as a subject matter expert for bioanalytical techniques, providing technical guidance, mentoring and training to colleagues, supporting recruitment activities, leading assigned project workstreams and ensuring training compliance across the laboratory.
  • • You will maintain laboratory operations through instrument maintenance, reagent and consumable management, housekeeping activities and the preparation, review and update of SOPs, protocols, reports and other controlled documentation, ensuring resources are effectively planned to support project and operational demands.
  • • You will build strong relationships with internal and external clients by managing project communications, providing scientific updates, delivering exceptional customer service, driving continuous improvement initiatives, promoting a strong safety and quality culture, and supporting Eurofins' commitment to operational excellence and customer satisfaction
  • You will hold a degree or higher qualification in a relevant scientific discipline and possess experience within a bioanalytical, biopharmaceutical or GMP-regulated laboratory environment.
  • You will have extensive hands-on experience with biologics testing techniques, including ELISA, cell-based potency assays, Biacore (SPR), aseptic techniques and 96-well plate formats, ideally supporting pharmaceutical drug substance development and testing.
  • You will have expert knowledge of cell-based assays, including Vi-CELL and manual cell counting, luminescence-based assays and flow cytometry, with the ability to interpret complex datasets and provide scientifically sound conclusions.
  • You will have demonstrated experience operating within GMP and regulatory frameworks, with strong documentation skills, proficiency in electronic laboratory systems and MS Office, and a commitment to delivering accurate, high-quality results right first time.
  • You will have the ability to troubleshoot analytical methods and instrumentation, apply statistical analysis to support investigations and continuous improvement activities, and proactively identify opportunities to enhance efficiency, quality and customer outcomes.
  • You will have excellent communication and interpersonal skills, with experience mentoring colleagues, acting as a technical subject matter expert, building strong client relationships and working collaboratively within a flexible, customer-focused Eurofins laboratory environment.

At Eurofins we are growing, innovating and always learning. We celebrate the achievements of our employees through annual long service awards, recognise our colleagues special life events.

As a Eurofins employee you will benefit from

  • We offer exceptional opportunities for career growth, within a friendly and supportive team. As well as a competitive salary, pension and associated benefits you will enjoy an unrivalled working environment, including an active social calendar and subsidised canteen, all while working in a start of the art client facility- a leading biotechnology company
  • Fantastic developmental opportunities and career progression pathways such as leadership, training, compliance and Subject Media Expert.

Full Benefits Package including:-

  • Pension
  • Private Medical Insurance
  • Income protection and life assurance
  • Annual discretionary bonus
  • Birthday Holiday entitlement
  • Exciting Eurofins Incentives: Employee Activity Committee (EAC), Equality Driving Excellence (EDE), significant Reward and Recognition programme Opportunity to benefit from Eurofins Operational Development training platform, plus potential support for part-time training (relevant to the position)
  • Full use of the canteen facilities and barista on the client site
  • Free parking onsite and onsite electric charging
  • Additional annual leave days with continued service
  • The opportunity to work on life saving products

Originally posted by Eurofins. View original posting