About the Job

We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. We’re also a company where you can flourish and grow your career, with countless opportunities to explore, make connections with people, and stretch the limits of what you thought was possible. Ready to get started?

The BioAnalytical BioAssayTeam is hiring for a Co-op position to support the development of Analytical cell lines that are Ready to Use. The applicant will be partnered with a Scientist to study and optimize the cell culture conditions to define the best conditions for particular cell lines to be stored, thawed and used in analytical cell-based potency methods to support the clinical and commercial development of new medicines. The ideal candidate will have a background in Cell and Molecular Biology with an interest in understanding how medicines work in the body in order to design an in vitro method that reflects the physiological mechanism for quality control monitoring purposes. Cell handling/culturing experience and attention to detail is a plus.

**At this time, Sanofi will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, or another type of work authorization). ** 

About you

Basic Qualifications:  

Currently pursuing a bachelor's degree or higher in Biochemistry, Biology, Biological/Biomedical Engineering, Biotechnology, Molecular Biology, or related field with the expectation that you will complete your current degree by the Spring of 2026

Must be enrolled in school the semester following your internship/co-op with Sanofi.  

Must be able to relocate to the office location and work 40 hrs./week for the full duration of the internship or Co-Op 

Must have permanent US work authorization 

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.

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.

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Better is out there. Better medications, better outcomes, better science. But 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. So, let’s be those people.

At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.

Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com!