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Buffer & Media Operator

Posted 28 Jan 2026
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Work experience
0 to 3 years
Full-time / part-time
Full-time
Job function
Degree level
Required language
English (Fluent)

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For our team in Leiden, we are looking for an enthusiastic Buffer & Media Operator.

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 with highly motivated people with a can-do mentality. Our people work in an international environment, within an enthusiastic team and for an organization where there is sufficient room to develop further. Working together is extremely important to us and having fun in what you do is part of that! Our monthly team lunches, team activities and the hand out of awards to our colleagues are an example of this.

  • A responsible and challenging position within the team;
  • Plenty of room for your own ideas and input;
  • Specialist training and a range of opportunities for personal and professional development;
  • Online preventive mental health platform;
  • Flexible working hours;
  • Good salary and benefits.

Eurofins PSS Insourcing Solutions® is a global insourcing solution that places skilled teams directly at client sites, managing operations while maintaining service, expertise, and cGMP compliance.

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 61 countries
3,200 employees
50% men - 50% women
Average age is 30 years