R&D
Where your curiosity drives the
miracles of
science
Biosafety Testing 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:Biosafety Testing Scientist
- Location: Vitry sur Seine, France
About the job
Are you ready to shape the future of medicine? The race is on to speed up drug discovery and development to find answers for patients and their families. Your skills could be critical in helping our teams accelerate progress. We are an innovative global healthcare company that helps the world stay ahead of infectious diseases by delivering more than 500 million vaccine doses a year. Across different countries, our talented teams are exploring new technologies to protect people and promote healthy communities. We chase the miracles of science every single day, pursuing progress to make a real impact on millions of patients around the world. Join the cell bank and drug substance manufacturing adventure in Sanofi Vitry E. Roux building, and participate to biologics and genomic medicine drug deliveries to patients. As Biosafety Testing Scientist in the Cell Banks and UPB GMP Testing team, you will guarantee our products are free from any microbial and viral contamination. You will also contribute to the genetic characterization of our products and to long term stability assessment of our cell banks. In this role, you will collaborate with multiple partners over the world, including CRO / CMOs (biosafety and genetic characterization assays are outsourced), quality, dossier/regulatory, or viral/microbial networks, from both R&D and M&S organizations.
Main responsibilities:
- Ensure the following up of analytical assays (detection of adventitious agents and cell line characterization) performed by subcontractors, in respect to project timelines and regulatory/quality standards
- Secure the activity with diversifying subcontractors and implementing new innovative analytical methods, in respect to regulatory updates
- Assess cell banks stability in the frequency defined and edit reports
- Edit GMP and quality documentation (Contracts, Specification sheet, Certificates of Analysis)
- Manage quality events (Deviations, CAPA, Change Controls and Quality Risk Assessment)
- Ensure the compliance of the activity in compliance with Regulatory and Sanofi Standards
- Collaborate transversally with operations, process development, viral experts, Quality Assurance and purchasing department
About you
Experience:
- Experience in the fields of virology/viral safety in Industry or Academic Lab
- Experience in analytical laboratory
- Managing GxP activities is a plus
Soft and technical skills:
- Strong scientific knowledge in cell and molecular biology, virology and microbiology
- Strong organizational skills, meticulous, analytical mindset
- Agile to collaborate transversally, team spirit and customer-oriented
Education:
- PhD or Master in Biology/Biotechnology
Languages:
- Fluency in French & English: both languages are used in daily business
Why choose us?
- Bring the miracles of science to life alongside a supportive, future-focused team
- Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally
- Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact
- Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave
PursueProgress. Discover Extraordinary.
Progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. You can be one of those people. Chasing change, embracing new ideas and exploring all the opportunities we have to offer. Let’s pursue progress. And let’s 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, or gender identity.
Watch our ALL IN videoand check out our Diversity Equity and Inclusion actions at sanofi.com!
#LI-FRA
#LI-Hybrid
Pursue 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
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