Job title: Cell Culture Development Associate Scientist

• Location: Framingham, MA

About the job:

Sanofi is looking for a cell culture development professional to join the Cell Culture Development Group located in Framingham, MA in the role of Associate Scientist. The Global Cell Culture Development group within Sanofi operates with the mission to develop robust, scalable, and innovative cell culture processes for Sanofi’s diverse early and late-stage biologics pipeline. We are looking for a candidate with excellent scientific and communication skills to join a team of upstream development scientists and engineers. The candidate is expected to work collaboratively with others in the team to complete assigned experiments and follow best laboratory practices.

Join the engine of Sanofi’s mission — where deep immunoscience meets bold, AI-powered research. In R&D, you’ll drive breakthroughs that could turn the impossible into possible for millions.

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:

• Execute upstream process development experiments under general supervision; independently execute simple experiments and support complex experiments.

• Execute cell separation and harvest experiments evaluating centrifugation and depth filtration strategies.

• Maintain laboratory bioreactor automation, including routine setup, calibration and troubleshooting of common issues.

• Participate in upstream and cell line development team meetings to support team goals.

• Prepare experimental protocols, perform troubleshooting of common cell culture challenges (e.g. contamination), and author templated technical reports with supervision.

• Maintain high-quality deliverables, open communication, and a collaborative working environment.

• Develop an understanding of the basic technical principles underlying cell culture theory and experimentation (e.g. sterile technique, mass transfer).

• Contribute to upstream, cell line development or technology development teams that develop and implement industry leading cell culture production technologies and platforms.

• Suggest improvements in the execution of standard cell culture experiments and participate in initiatives to improve upstream process development approaches.

• Adhere to all relevant HSE procedures and guidelines, lab guidance documents (LOPs, SOPs) and safety training, including data integrity and documentation practices.

• Present experimental results at lab meetings or within the upstream team.

About you:

Basic Requirements

• Bachelor's degree in Biology, Biochemistry, Bioprocessing, Biotechnology, Microbiology, Molecular Biology, Biomedical Engineering, Chemical Engineering, Biochemical Engineering, or a related discipline

• Minimum of 3 months of experience or equivalent exposure in a cell culture or biological laboratory setting (coursework, undergraduate research, or internship experience will also be considered)

• Working knowledge of aseptic technique

• English proficiency

Preferred Qualifications

• Experience executing cell culture experiments in high throughput models (shake flasks, ambr15) or benchtop bioreactor systems

• Experience with ambr250 bioreactors

• Experience with cell separation and harvest techniques including centrifugation or depth filtration

• Experience using AI tools for literature review, data analysis, or technical writing

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.

• Be part of a pioneering biopharma company that engages patients early in drug development and uses their insights to design studies that reflect real-world needs.

• Work at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science.

• Help improve the lives of millions of people globally by making drug development quicker and more effective.

Sanofi US Services and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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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Pursue progress, discover extraordinary

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.

Sanofi US endeavours to make our career center accessible to any and all users. If you are experiencing difficulty and need assistance applying online, please call 1-866-SANOFI2 (1-866-726-6342) or click here

US and Puerto Rico Residents Only

Sanofi Inc. and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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.

North America Applicants Only

The salary range for this position is:

$64.500,00 - $93.166,66

All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.