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Scientist Molecular and Bioassays (ELISA, NGS)

  • Location:

    Leiden, Netherlands

  • Contact:

    Nicol Heijtbrink

  • Job type:

    Temp to Perm

  • Contact phone:

    +31 (0)20 406 97 50

  • Industry:

    Pharmaceutical , Life Sciences

  • Contact email:

Are you an experienced Scientist (PhD + experience) who enjoys multidisciplinary team and contributing to method development knowledge in technologies such as ELISA, (q)PCR, cell culture-based assays and/or NGS/ This may be the right position for you

Job Description

The Molecular and Bioassay team of our client Janssen Vaccines & Prevention is a young and dynamic group of around 40 team members responsible for developing methods to characterize vaccines. The department uses biological- and chemical technologies to assess quantity, potency, purity, and identity characteristics of our products and has a pivotal role between the regulatory authorities, quality unit and process development. As a scientist in this team you have broad responsibilities:


  • Actively contributing to method development knowledge of the team as a whole;
  • Sharing expertise in technologies such as ELISA, (q)PCR, cell culture-based assays and/or NGS;
  • Aims to shape the life cycle management up to and including validation of methods for release and characterization of JNJ vaccines;
  • Acts as a technical lead to strengthen product development strategy;
  • Has strong capabilities to collaborate with scientists across multiple disciplines;
  • Takes ownership as author in the preparation of presentations, documents for regulatory filing and patents.


  • Ph.D. degree (or equivalent) with 1-5 years of post-doctoral experience in a relevant field of cell-based or molecular assays, life sciences and/ or virology.
  • Experience in the pharmaceutical industry or ICH method development or GMP is highly preferable.
  • ideally, the candidate has real life experience and affinity leading a team of professionals.
  • You demonstrate strong leadership, interpersonal and team-building skills.
  • Importantly, you have a critical attitude and value accuracy in the execution of your work and that of others.
  • Effective communication skills in English;
  • Valid EU work permit is a must;


  • Contract: 1 year via Oxford, realistic long- term perspective
  • Salary: €4200- €5000 gross monthly based on a full-time position
  • Holidays: 25
  • Working hours: full-time 32 h discussable
  • Region: Leiden
  • Vacancy number: 18707