Assistant Scientist Analytical Assays & Molecular Biochemical Assays | Pharmaceutical Development Support | Leiden
Leiden, Netherlands
6 dagen geleden

SIRE® is the market leader in Life Sciences recruitment. We believe the recruitment market needs to gear up in technology and continuous innovation.

We like technology, in a Life Sciences market driven on science, we couldn’t stay behind; we drive Recruitment Science. Investing a majority of our turnover in technology enables us to use unique Resource Technologies.

By using highly advanced algorithms, we enable our team of Resource & Data Strategists to maintain the most advanced, detailed and complete Life Sciences network in Europe.

This big data enables us to work Reverse Recruitment : we first analyze the market in-depth before we go out to the market.

Because we analyze the whole market, we can compare facts and data. This enables us to do Facts & Big Data Recruitment , making sure we, or better yet, you find the right career!Our client is a professional Pharmaceutical and Biotechnology organisation, based in Zuid-Holland Netherlands.

The Company

Janssen Vaccines & Prevention, previously Crucell, one of the Janssen Pharmaceutical Companies of Johnson & Johnson, is dedicated to bringing meaningful innovation to global health.

Our teams focus on the discovery, development, manufacture and marketing of vaccines and antibodies to protect people worldwide from infectious diseases.

In our organization entrepreneurial people are working in a dynamic culture in which innovation and a 'can do' state of mind are the central points.

In order to strengthen our team we are continuously looking for enthusiastic, talented people who have the ambition to develop themselves and can be of value to Janssen.

Role Description

We are searching for a motivated candidate with a can do mentality to reinforce our team as an assistant scientist (technician) experienced in both analytical techniques and molecular biochemical techniques.

You will perform different assays like chromatography methods (HPLC / UPLC), capillary electrophoresis (CZE and CGE), light scattering (DLS), qPCR and ELISA.

You will work in a multidisciplinary team that work closely together with our customers and strives to deliver results with a high quality and speed.

Are you the team player that can also work independently, has experience with analytical assays and molecular biochemical assays, is eager to learn and likes to work in the lab?

Then we are looking for you!


  • Sample analysis for internal (& external) customers
  • Executing analytical and molecular biochemical methods
  • Data analysis and reporting
  • Responsible for documentation e.g. CofAs and trending reports
  • You will have some responsibilities such as assay responsible, shipments, material ordering, etc.
  • Participating in Continuous Improvement projects (LEAN)
  • The position involves handling of biologically active substances.


  • MLO+ / BSc in Analytical Chemistry, Biotechnology, Molecular and / or Cell biology or related fields.
  • Minimal 3 year experience as a technician with a wide range of analytical techniques and molecular biochemical techniques such as HPLC / UPLC-
  • chromatography, capillary electrophoresis, light scattering, qPCR and / or ELISA, preferably in a pharmaceutical environment.

  • Experience in good documentation and quality systems (GxP) are preferable.
  • Other information

    MBO+ level is ideal, HBO junior welcome. WO level is overqualified.

    Are you interested and do want to apply for this role, please fill out your application via the apply button below and contact Cees Roffelsen.

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