Job Title: Senior Associate Scientist, Cell Line Development, Mammalian Platform, CMC

• Location: Framingham, MA

About the Job

We seek a highly motivated candidate to join Cell Line Development (CLD), assisting and responsible for generating mammalian cell lines for Sanofi’s R&D biologics pipeline and implementing new technologies and processes for continuous platform improvement. CLD, located in Framingham MA, is a global function, supporting research and early development projects at three Sanofi R&D Hubs (North America, France, Germany), and team members routinely work with colleagues at different sites.

The person in this role will work in a high-performing, fast-paced collaborative environment, ensure project goals and timelines are met, and help drive optimization for cell line production of biologics including antibodies and diverse, novel formats. Work will directly support development projects within Sanofi’s pipeline. The position also provides the opportunity to work on global teams, contribute to operational excellence and other transversal initiatives, and have a direct impact on shaping our future cell line expression platforms.

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:

• Perform mammalian cell culture techniques: sterile technique, cell counting, passaging, cryopreservation, etc.

• Perform basic molecular biology techniques: DNA plasmid preparation, PCR, restriction enzyme digestion, etc.

• Perform cell culture techniques for both pool and clone generation of expressive populations and cell lines expressing biotherapeutics. Work package also includes all other associated activities for selection of the final cell line. Some activities may also include banking, stability studies, copy number and transcript analysis.

• Assist in several studies simultaneously to optimize cell line generation processes.

• Flexibility, adjusting to a fast-paced, goal-oriented environment and willingness to expand and broaden one’s skillset.

• Prepare reports, presentations, and data sets to effectively communicate results, progress and plans, presentation at lab meetings.

• Contribute to lab organization, reagent tracking and other assigned tasks as determined appropriate.

• Compliance with all applicable regulations, ensure that work performed is conducted in a safe and compliant manner, maintenance of proper records in accordance with SOPs and policies.

About You

Basic Qualifications:

• Master's Degree in Biology, Cell Biology, Molecular Biology, Bioengineering, or related discipline, or Bachelor’s degree in relevant discipline with >2yr of relevant experience.

• Hands-on experience in mammalian cell line development in a pharmaceutical or biotechnology setting.

• Strong technical background and attention to detail.

• Self-motivated with excellent communication, organization and time-management skills.

• Demonstrated ability to work independently and in a highly collaborative environment and adhere to timelines.

Preferred Qualifications:

• Suspension mammalian cell culture experience (CHO cell culture) in a pharmaceutical or biotechnology setting.

• Experience with advanced molecular biology skills.

• Experience with automation and/or high throughput technologies as applied to mammalian cell line generation and process optimization is highly preferred.

• Experience and working knowledge in high-throughput screening tools (bioreactors, analytics) for cell line selection.

• Excel in a past-faced highly cooperative team environment, ability to multitask, adaptability and positive attitude.

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.

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

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

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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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.

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!

US and Puerto Rico Residents Only

Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally inclusive and diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; natural or protective hairstyles; 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:

All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs. Additional benefits information can be found through the LINK.