Johnson & Johnson Careers

Scientist Process Development

Leiden, Netherlands

Job Description

Requisition ID: 1805621142W

Janssen Vaccines is committed to developing first-in-class or best-in-class vaccines for some of the world’s most life-threatening infectious diseases. We have built a dedicated, world-class, multi-functional team across a variety of disciplines to develop a promising vaccines pipeline. In Leiden, we have a workforce of 700 scientists and support staff, 45% of our employees has a nationality other than Dutch with over 20 nationalities represented. We partner with many of the world’s leading experts, academic and clinical institutions and other pharmaceutical companies for the development of vaccines against, for example, Ebola and HIV.


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 Vaccines.

Process development consists of a USP and a DSP department and is responsible for the development of scalable, pharmaceutical-grade production processes for viral vaccines using mammalian cell lines as a production platform. Novel technologies are used to make sure that the processes are safe, reliable, scalable and cost-effective, so that the vaccines can be produced in large quantities at low costs. The developed production processes are transferred into GMP production facilities for the production of clinical batches and scaled-up for commercial production. All activities are performed in close collaboration with other departments.

For Process Development we are currently looking for a fulltime Scientist

We are looking for a motivated Scientist within the field of upstream and/or downstream process development. Being part of the scientific staff, you will represent USP or DSP in multidisciplinary project team(s), being responsible for process development in that project, in close connection to all relevant stakeholders. In order to develop the process, you translate research goals into actions and accomplish the targets by delivering study designs and study plans, analyze data and write or coordinate scientific study reports, all in close connection with the customer. With that, you work together with technical staff to perform the experimental work. When the process is robust and reliable enough, you are involved in the technology transfer towards one of our GMP facilities. You keep yourself up to date with the newest developments in the field and test and implement novel technologies. Depending on your experience and interest, you may get responsibility for daily management and personal development of some direct reports.

  • You have a PhD. in a relevant discipline in biopharmaceutical sciences/engineering, biotechnology or virology or M.Sc./PDeng with >6 years of experience in industry.
  • You have experience with mammalian cell culture or downstream process development, ideally with hands-on experience with bioreactors and/or DSP unit operations like IEX chromatography and UF/DF. Both experience with vaccine development and knowledge of GMP are advantages.
  • You are an excellent team player with excellent communication skills, who is flexible, has a can-do attitude, and a pro-active mindset.

We offer a challenging position in a dynamic environment and creating plenty of opportunities for personal development.


Primary Location
Netherlands-South Holland-Leiden
Janssen Vaccines & Prevention BV (8852)
Job Function
Requisition ID