**Job Title:** Summer 2026 Intern - Neuroinflammation **Location:** Cambridge, MA **About the Job** Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you’ll be empowered to learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams. We are looking for a highly qualified and motivated student intern to join the precision neurology and neuroinflammation cluster, focused on discovering, validating, and developing therapies for neurodegenerative diseases including Alzheimer’s, Parkinson’s, and ALS. This position is laboratory-based and will involve executing experiments to identify and test new therapeutics _in vitro_ and _ex vivo_ . The successful candidate will have a background in neurodegenerative diseases with the ability to perform cell culture-based experiments on primary brain cells and/or cell lines. The ideal candidate will also have experience running different bioanalysis assays including ELISA based systems. **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:** + Validate _in vitro_ human and/or rodent models of neurodegenerationto support proof-of-concept studies. + Utilize high content imaging to evaluate synaptic density in primary or iPSC neurons _in situ_ . + Measure compound exposure and changes in neuroinflammatory pathways in the CNS using ELISA or other similar approaches. + Design and execute experiments, analyze data and clearly communicate results at internal and external meetings and conferences. + Interact in a matrixed, dynamic and cross-functional manner across the Neuroscience Therapeutic Area, Research Platforms, and external collaborators. + Establish and maintain a scientific network external to the company to advance portfolio projects through collaborations. **About You** **Basic Qualifications:** + Must have been a former Sanofi intern in our 2025 Summer Intern program + Pursuing a bachelor’s in neuroscience, neurodegeneration, neuroimmunology, or engineering related field with plans to graduate by 2028. + Must be able to relocate to the office location and work 40hrs/week, Monday-Friday, for the full duration of the co-op/internship. + **Must be permanently authorized to work in the U.S. and not require sponsorship of an employment visa (e.g., H-1B or green card) at the time of application or in the future.** **Students currently on CPT, OPT, or STEM OPT usually require future sponsorship for long term employment and do not meet the requirements for this program unless eligible for an alternative long-term status that does not require company sponsorship.** **Preferred Qualifications:** + Experience with _in vitro_ CNS models and iPSC lines preferred. + Highly organized, collaborative, and effective working on teams + Ability to work collaboratively to identify and execute key steps necessary to advance projects. + Ability to effectively develop and discuss experimental goals and research progress with scientists and stakeholders of varied backgrounds. + Excellent analytical and communication skills. **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.​ 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)