internship - next generation sequencing. in Leiden, Nederland

Are you a Master’s or university (WO) student fascinated by cutting-edge molecular biology, bioinformatics, and virus detection? Do you want to gain hands-on experience inside the lab of a global healthcare leader and contribute to the safety of life-saving medicines? Read on to know more!

what we offer

• €750 gross per month based on 40 hours
• Develop your scientific and professional skills
• Experience at a world-leading healthcare company
• Daily mentorship from experienced QC specialists
• Available for at least 6 months
• Science Park in Leiden

who are you

For the internship Next Generation Sequencing you must meet the following requirements:

• WO Bachelor's or Master’s in Molecular Biology, Bioinformatics, Biotechnology, Virology, or a related field
• Practical lab experience in molecular biology (DNA/RNA techniques)
• Fluent in English, both written and verbal
• Willing to work in Leiden
• Availabe for 40 hours per week
• Available to start per the 1 st of February 2027

what will you do

You will join the Quality Control (QC) department, specifically the Centre of Excellence for Adventitious Virus Assay (AVA) and Mycoplasma testing. This team plays a pivotal role in safeguarding the quality, safety, and efficacy of biological medicines before they reach patients around the world. The department fosters a culture of ongoing learning, innovation, and scientific rigor.

As an intern, you will contribute directly to a high-impact project: optimizing a method to detect viral contaminants in the production of biological medicines using Next-Generation Sequencing (NGS). You will bridge wet-lab experimentation with data analysis.

Your daily activities include:

• Planning and conducting molecular biology experiments in the laboratory
• Analyzing sequencing datasets and designing follow-up experiments based on your findings
• Reviewing relevant scientific literature to identify novel methods, approaches, and insights
• Maintaining accurate, compliant documentation of all experimental procedures, results, and deviations
• Developing internal training materials to share your knowledge with the team
• Writing your thesis (if applicable, in alignment with your university program)

where will you work

At Johnson & Johnson, we turn cutting-edge science into life-saving treatments. You will join the Quality Control (QC) Centre of Excellence at our state-of-the-art site in Leiden. Here, you'll work within an open, international team dedicated to safeguarding medicine quality and driving lab innovation.

• Contribute to life-saving medicines at a world-leading healthcare pioneer
• Grow fast with hands-on mentorship and training
• Work with cutting-edge lab technologies every day

job application

Does this sound like your ideal Internship? Apply with your CV and we will contact you!

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