R&D
Where your curiosity drives the
miracles of
science

Job Title:Sr. Associate Scientist–Rare Neurodevelopmental Disease

• Location: Cambridge, MA

About the Job

We are seeking a meticulous, dynamin and team-oriented individual to join our Rare Neurodevelopmental Disease Team in Sanofi’s Rare Disease Therapeutic Area group.  In this position, the individual will support efforts to characterize and develop preclinical molecules or biologics as well as disease models (cells and animals) aimed at treating patients with rare diseases.  Duties will include a broad range of in vitro and in vivo techniques as well as the execution of established assays to better understand the various emerging modalities currently in pre-clinic stage to treat rare neurodevelopmental diseases. We are committed to advancing the understanding of disease mechanisms and translating these insights into meaningful therapeutic solutions for patients with rare monogenic neurodevelopmental disorders.  

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.

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 experiments and studies in support of rare disease research projects and company drug discovery goals.

• Design, execute, and troubleshoot experiments in both in vivo and in vitro settings.

• Support the development of new methodologies and approaches as needed.

• Conduct of a broad range of established in vivo techniques including handling mice, IV, IP, SC and ICV injections, anesthesia, necropsy, collection of mouse tissues as well as behavior, cognitive and motor functional assays (treadmill, rotarod, grip strength, elevated plus maze assay, open field, marbles burying assay) and Electroencephalogram (EEG).

• Execute a broad range of in vitro protocols including culturing human and mouse cells, cell transfection, RNA extraction, RT-qPCR, analysis, Western blots, ELISA, plate-based assay (MSD).

• Analyze, interpret, and present experimental results to team members and project stakeholders.

• Maintain detailed and accurate laboratory records following scientific rigor standards.

• Demonstrated ability to work in a team environment and collaborate effectively.

• Strong analytical and problem-solving abilities.

• Ability to prioritize and organize work to meet project deadlines.

• Knowledge of laboratory safety procedures and good laboratory practices.

• Adapting to various workflows with the flexibility to change directions and work on a broad range of scientific problems.

About you

Basic Qualifications:

• Bachelor's Degree plus minimum 4 years of relevant research experience in an academic or biopharmaceutical setting OR Master's Degree plus minimum 1 year of relevant research experience.

• Strong in vivo technical expertise including animal handling, various routes of administration (IV, SC, IP, ICV), anesthesia, and necropsy.

• Experience with in vivo models of rare neurodevelopmental disorders and associated functional readouts.

• Proficiency in cell culture techniques, including iPSC culture systems.

• Demonstrated ability to work in a team environment and collaborate effectively.

• Excellent documentation and record-keeping skills.

• Strong analytical and problem-solving abilities.

• Ability to prioritize and organize work to meet project deadlines.

• Knowledge of laboratory safety procedures and good laboratory practices.

Preferred Qualifications  

• Experience with transfection of several types of cell lines.

• Experience with RNA handling and downstream analysis (RNA extraction, RT-qPCR) Experience with protein handling (ELISA/MSD, assays, pull-downs, Westerns, etc.).

• Experience with high-throughput screening and assay development.

• Experience integrating human biology datasets (e.g., genomics, transcriptomics) into experimental workflows.

• Familiarity with bioinformatics tools and data analysis software.

• Previous experience in pharmaceutical or biotechnology research settings.

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.

#GD-SA

#LI-SA

#LI-Onsite

#vhd

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.

Pursue Progress. Discover Extraordinary.

Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.

At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.

Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com