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Buffer & Media Operator

Posted 12 Nov 2026
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Work experience
0 to 2 years
Full-time / part-time
Full-time
Job function
Degree level
Required language
English (Fluent)

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Job Description

For our location in Leiden, we are looking for an enthusiastic Pilot Plant Buffer & Media Operator to join a new team.

Full-time employment.

In this position you will be part of a production operations team that produces end-to-end clinical material for advanced therapies, specially focused on cell and gene therapies. This includes production of media & buffers, cell banks, starting material like virus seeds and plasmids, API and DS for several different modalities.

You will be required to adhere to GxP guidelines and for some activities you will be required to enter clean rooms. Your activities will include:

  • Production of a wide range of buffers and media for both GMP and non-GMP applications.
  • Buffer/Media Preparation on scales ranging from 10 ml to 200L.
  • Supporting the introduction of new buffers for new processes.
  • Supporting the equipment & material introduction for new buffers and processes.
  • Support other areas of operations as required.

Qualifications

  • MLO degree in Biology, Biochemistry, Life Sciences or related sciences;
  • Experience in a pharmaceutical environment and knowledge of GxP is preferred;
  • You are flexible and proactive;
  • You enjoy working in a team and communicate well;
  • You are accurate, and have great attention to detail;
  • You can work independently;
  • You are a quick learner who thrives in a dynamic environment;
  • You are self-motivated with a positive attitude;
  • You enjoy volunteering your ideas and working on continuously improving your environment.
  • You are fluent in English (Spoken/written)

Additional Information

Working at PSS means working in a team where people support each other, take responsibility for their work and stay closely connected to the client environment they work in. You will be part of an international setting, with colleagues who value clear communication, teamwork and a good working atmosphere.

We believe it is important that people can keep developing in their role. That is why we offer specialist training and opportunities to build your knowledge and skills further. We also make time to stay connected as a team, for example through monthly team lunches, team activities and moments where colleagues are recognized for their contribution. We offer:

  • A responsible position within the team;
  • Room to share your ideas and input;
  • Specialist training and opportunities for personal and professional development;
  • 31 vacation days per year based on a full-time employment contract, with the option to purchase 5 additional days;
  • The option to use gross/net benefit schemes for sports and the purchase of a bicycle;
  • Access to an online preventive mental health platform;
  • A flexible start time between 07:00 and 09:00, depending on team planning and operational needs;
  • A suitable salary and additional benefits.

Working at PSS gives you the personal approach of a medium-sized organization, with the wider network and structure of Eurofins as a parent company. In your work, you regularly interact with other companies and scientists within the Eurofins group, which brings variety to the role.

This also means there may be opportunities to grow, depending on your role, experience and development.

Eurofins Scientific is een internationaal beursgenoteerd life sciences organisatie dat klanten voorziet van laboratoriumonderzoek en advies. Eurofins is met 61.000 collega's globaal marktleider in bio-analytische testen voor food & feed, water, milieu, farmacie en agro en maakt daarbij gebruik van 200.000+ unieke analysemethoden. Eurofins bestaat wereldwijd uit 900 hypermoderne labs met een pro-forma omzet van €6.7 miljard en heeft ruim 61 acquisities gedaan in 2022 in verschillende landen.

Other
Amsterdam
Active in 59 countries
3,200 employees
50% men - 50% women
Average age is 30 years