**Job Title:** Winter-Spring 2026 Co-Op - Media and Metabolic Profiling Development **Location:** Framingham, MA **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 seeking a highly motivated and talented Co-op to join the Cell Culture Platform (CCP) team within Cell Culture Development (CCD). CCP is globally responsible for providing solutions to process challenges through the development and application of platform cell culture media and innovative upstream process technologies throughout CCD. We are a dynamic team charged with identifying process pain points and resolving the underlying problems, generating compelling data from relevant proof of concept studies, and designing novel process platforms in collaboration with Upstream Development colleagues. Our Co-op program offers the opportunity to learn cutting-edge cell culture industry techniques and develop cell culture subject matter expertise in an FDA-regulated setting. 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? **Main Responsibilities** + The successful candidate will collaborate with the modeling team to support and refine flux balance analysis (FBA) and metabolic flux analysis (MFA), providing high-quality experimental data to constrain and validate computational models + The ideal candidate will design and execute isotopic labeling experiments, perform intracellular metabolite extraction, and analyze untargeted mass spectrometry data. + The candidate should be comfortable interpreting experimental results such as growth rates, nutrient uptake/secretion, intracellular metabolite levels, and isotopologue distributions. + The candidate will also be able to prepare cell culture samples for LC-MS analysis using automated liquid handling technology and process the results using a data automation platform + This candidate will have the opportunity to contribute to protocol and report writing, and present on findings in respective functional areas **About You** **Basic Qualifications:** + Currently enrolled and pursuing a bachelor's degree, master's degree or PhD in chemistry or engineering (biology, chemical, or biochemical) at an accredited college or university + Must be able to relocate to the office location and work 40hrs/week, Monday-Friday, for the full duration of the co-op/internship + Experience with bioprocess analytical techniques + Experience with lab assays, high-throughput automation, and statistical analysis **Preferred Qualifications:** + Ability to function independently and within a team environment + Strong interest in integrating experimental and computational approaches to study cell metabolism is essential + Experience in experimental investigation of mammalian cell metabolism, with a focus on metabolic profiling techniques + Strong computer skills and proficiency in MS Office writing and graphing **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. + Exposure to cutting-edge technologies and research methodologies. + Networking opportunities within Sanofi and the broader biotech community. The salary range for this position is ​$35-$57 hourly​. 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 LINK (https://benefits.sanofiusallwell.com/fleet/public/index/ba511bf8-5c32-4828-9861-ab985fffab90/?cid=sanofi) . 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. \#GD-SA ​ \#LI-SA \#LI-Onsite \#vhd **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 (https://www.youtube.com/watch?v=SkpDBZ-CJKw&t=67s) and check out our Diversity Equity and Inclusion actions at sanofi.com (https://www.sanofi.com/en/our-responsibility/equality-and-inclusiveness) ! _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. Global Terms & Conditions and Data Privacy Statement (https://www.sanofi.com/en/careers/global-terms-and-conditions/) Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health. We prevent illness with vaccines, provide innovative treatments to fight pain and ease suffering. We stand by the few who suffer from rare diseases and the millions with long-term chronic conditions. With more than 100,000 people in 100 countries, Sanofi is transforming scientific innovation into healthcare solutions around the globe. Discover more about us visiting www.sanofi.com or via our movie We are Sanofi (https://youtu.be/96EwNjb1TLo) As an organization, we change the practice of medicine; reinvent the way we work; and enable people to be their best versions in career and life. We are constantly moving and growing, making sure our people grow with us. Our working environment helps us build a dynamic and inclusive workplace operating on trust and respect and allows employees to live the life they want to live. All in for Diversity, Equity and Inclusion at Sanofi - YouTube (http://www.youtube.com/watch?v=SkpDBZ-CJKw&t=2s)