Johnson & Johnson Loopbaan

Assistant Scientist

Leiden, Nederland


Requisition ID: 1805641878W


Janssen's Analytical Development department is responsible for developing methods that are required for analysis of viral vaccines for human use. Analysis includes testing for identity, quantity, potency, purity and extraneous agents safety.

Job description

We are looking for a motivated individual who enjoys working in a multidisciplinary team, and has experience with:

• Cell culture

• Cell-based assays

• Molecular biology assays; e.g., (Real Time) PCR

• Virus assays (e.g., virus titer determination) and/or microbial assays (e.g., sterility, mycoplasma, mycobacteria, endotoxin testing)

Preferably, he/she has knowledge of:

• Extraneous agents safety

• Vaccines

• Immunology

The main tasks will be method development, method qualification and method troubleshooting. This may include collaboration with contract research organizations. Executing the experiments and reporting analyses are part of the core working tasks. Furthermore, several organizational responsibilities are included, such as arranging shipments, order materials, etc.

Note, the position will involve handling of biologically active substances.


We are looking for a motivated individual that fits in a multidisciplinary team, who enjoys lab work and lab organization.

Minimum Qualifications

- BSc or MSc degree with 2 years of experience.

- Experience in assay development, preferably in cell-based (infectivity) assays and/or molecular assays

- Experience with working in BSL2 environment

- Able to work and analyze data independently

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