J&J Family of Companies Process development (USP) internship (Bacterial Vaccines) in Leiden, Netherlands

Janssen Vaccines & Prevention, one of the Janssen Pharmaceutical Companies of Johnson & Johnson, is dedicated to bringing meaningful innovation to global health. Our teams focus on the discovery, development, manufacture and marketing of vaccines and antibodies to protect people worldwide from infectious diseases.

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.

Internship – Bacterial Vaccines department Janssen Vaccines & Prevention (m/f)

Department / project:

We are looking for a for 4th year MLO/HLO student for an internship at the Bacterial Vaccines department (BacVac) of Janssen Vaccines & Prevention in Leiden.

The Bacterial Vaccines department is a team of 50‐60 dedicated people of multiple nationalities, working on the development of vaccines that help to combat infectious diseases/infections like Extra‐intestinal pathogenic Escherichia coli (ExPEC) and pathogenic Staphylococcus aureus.

Job description:

The Process development (PD) sub‐team of our department is working on the development and improvement of the manufacturing and purification processes required to produce these vaccines. Most processes are divided in Upstream

processing (USP) and Downstream processing (DSP) activities.

The USP activities include the cultivation of the bacterial production host strains in bioreactors up to 10L scale, and the improvement of this part of the process.

Currently we are looking for a 4th year MLO/HLO student to support us in these

activities. The candidate will work together with BacVac personnel in the day to day activities. These activities will be mainly hands‐on lab activities. The candidate will acquire knowledge on bioreactor cultivation of micro‐organisms, assays involved in the process, safe working with BSL‐I/II biological agents, data analysis and presentation skills.


Minimum Qualifications:

4th year MLO/HLO student Biochemistry/Biotechnology

Please note that you need a residence permit which states you are

allowed to work in the Netherlands or a residence permit which states

you are enrolled to a Dutch university if you want to apply for an

internship at Janssen.

Specific Knowledge:

 Culture of micro‐organisms

 General knowledge of biochemical analytical methods such as

SDS‐PAGE, total protein determination, etc.

 Experience with bioreactor systems (preferable)


The suitable candidate is flexible, eager to learn, independent,motivated to go the extra mile and not afraid to communicate in English.

What’s in it for you …?

If you are interested in an internship at the Bacterial Vaccines Department and want to learn how vaccines are manufactured by state‐of‐the‐art techniques, and you fulfill the requirements please apply.

Being a student with an EU-nationality is required for this internship.

Primary Location

Netherlands-South Holland-Leiden


Janssen Vaccines & Prevention BV (8852)

Job Function


Requisition ID