Johnson & Johnson Loopbaan

Senior associate scientist/engineer

Leiden, Nederland


Requisition ID: 1805620760W

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 several fulltime

Sr. Associate Scientist/Engineer USP and/or DSP

We are looking for a motivated Sr. Associated Scientist within the field of upstream and/or downstream process development. You will plan, coordinate scientific studies to support process development projects. You will perform data analysis and write scientific reports. At one end, you will work close together with the technical staff on the lab to perform the experimental work. At the other, you work closely together with the other scientists to translate the results of the development work into production processes. You may also represent USP or DSP in a multi-disciplinary project team and will support the transfer of the developed process in the production environment.


You have a M.Sc./PDeng in a relevant discipline in biopharmaceutical sciences/engineering, biotechnology or virology with 3-4 years of experience in industry. 

You have experience with mammalian cell culture and/or. You have a strong affinity with processes development, with hands-on experience with bioreactors and/or downstream unit operations like IEX chromatography and UF/DF. Experience in production and Knowledge of GMP is an advantage.

You are an excellent team player with excellent communication skills, who is flexible, has a can-do attitude, and a pro-active mindset.


Primaire locatie
Nederland-Zuid Holland-Leiden
Janssen Vaccines & Prevention BV (8852)
Requisition ID