
At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn more at jnj.com
As guided by Our Credo, Johnson & Johnson is responsible to our employees who work with us throughout the world. We provide an inclusive work environment where each person is considered as an individual. At Johnson & Johnson, we respect the diversity and dignity of our employees and recognize their merit.
Job Function:
Supply Chain Engineering
Job Sub Function:
Process Engineering
Job Category:
People Leader
All Job Posting Locations:
Leiden, South Holland, Netherlands
Principal Scientist, MSAT Bio DS Lab is a high-impact scientific leadership role within the MSAT BioTherapeutics Drug Substance Lab in Leiden, supporting commercial product lifecycle management, complex investigations, and secondary technology transfers.
J&J Innovative Medicine Supply Chain is seeking a Principal Scientist to lead the scientific pillar of the Manufacturing Science and Technology BioTherapeutics Drug Substance Lab in Leiden, the Netherlands, with accountability for scientific excellence, team leadership, and delivery against strategic business priorities.
The MSAT Bio DS Lab is part of the global MSAT organization and is established to strengthen end-to-end ownership of current and future commercial BioTherapeutic products.
The lab will operate small-scale upstream, downstream, and process analytical capabilities to enable process understanding, investigation work, and technical support across monoclonal antibodies, complex glycoproteins, and bi- and tri-specific molecules.
The team will support lifecycle management of commercial products, secondary technology transfers, complex process investigations, process improvements, and non-routine sample management for Leiden and the broader EU and ROW network.
You will lead and develop a team of scientists, set scientific direction, and ensure delivery of high-quality, business-relevant outcomes in a highly collaborative environment.
Key Responsibilities:
Minimum Qualifications and Requirements:
What we offer:
Janssen Biologics in Leiden is a key site for commercial and clinical manufacturing in biotherapeutics and advanced therapies, combining operational excellence with innovation to serve patients worldwide. You will join a growing organization with a strong culture of safety, quality, scientific rigor, and purpose, where your leadership can directly shape capability, talent, and product support at scale. Together, we strive for a future in which disease is a thing of the past. Passionate about our mission? Join our team. Make your mark!
#LI-MV2
Required Skills:
Preferred Skills:
The anticipated base pay range for this position is:
€68,600.00 - €119,600.00
Benefits:
In addition to base pay, we offer the following benefits*: an annual bonus with set target (% of pay) depending on pay grade / location, where the actual amount is based on the employees’ and companies’ performance of the previous calendar year, or sales commissions. Moreover, we offer vacation days, parental leave for a minimum of 12 weeks, bereavement leave, caregiver leave, volunteer leave, well-being reimbursement, programs for financial, physical and mental health. We also offer service anniversary and recognition awards, and subject to the terms of their respective plans, employees - and in some location’s eligible dependents - can participate in several insurance plans. For more information, visit Employee benefits | Supporting well-being & career growth | Johnson & Johnson Careers.
*This is for informative purposes only. Amounts and actual benefits may vary by location and are subject to change.

At Johnson & Johnson, we believe health is everything. As a focused healthcare company, with expertise in Innovative Medicine and MedTech, we’re empowered to tackle the world’s toughest health challenges, innovate through science and technology, and transform patient care.
All of this is possible because of our people. We’re passionate innovators who put people first, and through our purpose-driven culture and talented workforce, we are stronger than ever.
Learn more at https://www.jnj.com. Community Guidelines: http://www.jnj.com/social-media-community-guidelines