R&D
Where your curiosity drives the
miracles of
science
Scientist
At a glance
Bring your curiosity to a team where deep immunoscience meets cutting-edge innovation. Across oncology, rare diseases, neurology, and vaccines, you’ll work at the intersection of lab science and AI-powered discovery — all while collaborating across boundaries to turn breakthrough ideas into real-world impact. Whether you want to deepen your scientific expertise or grow as a leader, you’ll find the opportunity here.
Le contenu du poste est libellé en anglais car il nécessite de nombreuses interactions avec nos filiales à l’international, l'anglais étant la langue de travail.
This job offer is accessible to all, regardless of gender.
Job title: USP Scientist
- Location:Vitry-sur-Seine
About the job
Planning, execution as well as assessment and reporting of scientific experiments in the field of cell culture development. Close collaboration with the responsible lab head and technicians.
About Sanofi:
We’re an R&D-driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people’s lives.
Main responsibilities:
- Working with mammalian cell cultures to develop manufacturing processes of biologics such monoclonal antibodies and antibody-like molecules using different technologies and scales
- Supervision of technical scale manufacturing processes (Person in Plant, PIP) for technical pilot plant
- In close consultation with responsible lab head, you coordinate the activities of experiment planning and execution to develop or optimize cell culture processes
- Manage interface with in-process analytics to coordinate analytical requests
- Timely assessment of development experiments and data availability to support the writing of development reports (documentation in English, co-author of development reports)
- Co-author of technical documentation, to ensure an efficient and successful process transfer into technical (nonGMP) and GMP facility and support receiving sites via trouble shooting activities
- Contribute on maintaining lab space and equipment, taking over responsibility for a dedicated set of equipment and/or specific task
- Ensure application of laboratory HSE rules
- In parallel to these development activities, main responsibilities of the process engineer are:
- Trainee/apprentice management
- lead and/or participate to different working group (interaction with CCD, Mammalian platform, or CMC, with leadership team, with Vitry teams and US teams)
About you
- Study of Biotechnology, Biology or similar (Engineer school or Master of Science)
- Being familiar (hands on experience) with suspension cell culture and upstream technologies, such as wave bioreactors, Ambr15/250, bench top bioreactors (both disposable and non-disposable)
- Experience in planning and execution of experiments in regards of process development
- Intermediate level in English
- Problem-solving and analytical thinking orientated skills
- Experience in writing scientific reports
- Good team working skills, high level of flexibility and good communication skills
PursueProgress. Discover Extraordinary
Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.
At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.
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nullPursue Progress. Discover Extraordinary.
Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.
At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.
Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com
Find out more about this location
Why work with us
- Expand your horizons. Grow through curiosity, with support to move, learn, and lead in a culture that champions mentorship, mobility, and bold development.
- Accelerate results with technology. Harness the power of AI and automation to push scientific boundaries and reimagine what's possible in drug discovery.
- Impact through inclusive innovation. Help deliver better science and fairer outcomes by driving inclusive research that reaches more people, in more meaningful ways.
- Turn patient needs into breakthrough science. Drive scientific breakthroughs that start with patient needs – and end in treatments that change lives.
Meet Nils Libert, Associate Scientist
Meet Nils Libert, an Associate Scientist in Belgium, where he plays a key role in advancing groundbreaking research. Learn how his work helps drive innovation, uncover new scientific possibilities, and contribute to life-changing treatments that impact patients around the world.
"At Sanofi, we are building an R&D engine powered by the best science, digital innovation, and a commitment to transforming the lives of patients around the world."
Houman Ashrafian
EVP & Head of R&D
Discover more
Our R&D focus areas
Discover how we're reshaping the future of medicine through immunoscience – unlocking bold, cross-disease breakthroughs that were unimaginable just a decade ago.
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