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Johnson & Johnson

Assistant Scientist Molecular and Bioassay development

Posted Jul 5, 2021
Job ID: JJJP00007052
1 year
(Jul 5, 2021 - Jul 4, 2022)
40 hrs/week
Payrate range
Assistant Scientist Molecular and Bioassay development

Location: Leiden, Janssen Vaccines & Prevention B.V NL Leiden (Crucell NL Leiden)

Hours: 32-40/week

Duration: until 04/07/2022 (high chances of extension)

2-4 Years Work Experience

Introduction of company and team:

Janssen Vaccines & Prevention B.V., previously Crucell, is one of the Janssen Pharmaceutical Companies of Johnson & Johnson. We are dedicated to bringing life-saving innovation to global health.

Our teams focus on the discovery, development, manufacture, and marketing of vaccines to protect people worldwide from infectious diseases. With the leading R&D group within the Dutch pharmaceutical industry, we are in an outstanding position to commercialize several vaccines in the near future. This gives excellent personal development opportunities!

Our department

The Molecular and Bioassay (MBA) team is a diverse and dynamic group (around 45 team members), which is part of Analytical Development (AD), responsible for developing methods to characterize our vaccines. Together, we use biological- and chemical technologies to assess the quantity, potency, purity, and identity characteristics of our products. We have a pivotal role between the regulatory authorities, quality unit, and process development.

Responsibilities and Duties:

We are looking for an assistant scientist who:

  •   Enjoys working in a multidisciplinary team and supporting method development activities of the team as a whole.

  •  Accurately and precisely performs experiments to develop and optimize our methods or to analyze samples for process support and product characterization

  • Has a critical attitude towards handling biologically active substances

  • Takes an active role in lab management next to the experimental work and supports the continuous improvement of an efficient lab organization.

  • Takes ownership as the author of standard operating procedures and oral presentations.


The perfect candidate will have:

  • BSc degree (or equivalent) in a relevant field of cell-based or molecular assays, life sciences, and/ or virology.
  • Experience in the pharmaceutical industry or method development
  • GMP or ML2 laboratory is highly preferable.

The candidate demonstrates strong interpersonal and organization skills. Importantly, you have a critical attitude and value accuracy in the execution of your work and that of others. We value an ethical working environment, as described in our Credo, where trust, diversity, and inclusion is the fundament for success.

Our company offers a broad range of benefits and a competitive salary, as well as flexible hours and home office possibilities. Are you our perfect candidate and ready to take this step in your career? Help us to get these vaccines on the market and be part of this outstanding opportunity!

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