Save for independent contractors, applicants for this role will be engaged through Yacht bv. When making this application your details will be automatically shared with Yacht for registration with them, who may also contact you about other opportunities with other clients.

Johnson & Johnson

NL - Assistant Scientist Molecular and Bioassay development

Posted Dec 17, 2021
Job ID: JJJP00009551
11 months, 4 weeks
(Feb 1, 2022 - Feb 1, 2023)
40 hrs/week
Payrate range
Application Deadline: Dec 24, 2021 12:00 AM

Johnson & Johnson Worksense (via Randstad Sourceright) is responsible for finding, engaging and contracting talent for the Johnson & Johnson contingent workforce.


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 young and dynamic group (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 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 contributing to method development and qualification activities for new projects and technologies of the team.
  • Is passionate about performing lab experiments and accurately and precisely performs experiments to develop and or optimize our methods.
  • Has a structured way of working and affinity with new technologies such as NGS, ddPCR and immunodetection platforms such as ELISA
  • Has a critical attitude towards handling of biologically active substances.
  • Takes ownership as author of standard operating procedures, method development or qualification reports and oral presentations.



  • The perfect candidate will have a 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 team-building 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 are 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!




  • This is a contracting position, with the possibility of an extension after the end date. You will receive a contract via our partner YACHT. They can offer you a contract for the duration of the assignment at J&J, a one year contract or a freelance contract (ZZP).

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