Senior Scientist- Synthetic Enabling Technologies

Company: Sanofi
Location: Cambridge
Posted on: March 28, 2026

Job Description:

Job title: Senior Scientist - Synthetic Enabling Technologies Location : Cambridge, 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. The Process Chemistry team, part of the CMC Synthetics organization within Sanofi R&D, is responsible for the design and preliminary process development of commercial manufacturing routes for drug substances undergoing clinical development. We strongly believe that innovation is an important driver to be successful and we focus a large part of our activity on developing new synthetic routes, concepts, and technologies to provide drug substances in the most efficient, robust, economical, environmentally benign, and intrinsically safe way. We are looking for a highly motivated and collaborative individual with expertise in synthetic organic chemistry to join our Process Chemistry team. Under the direction of Process Chemistry leadership, the primary responsibility of this role is to perform and oversee multi-step route evaluation and route development activities, with the aim of establishing commercial drug substance manufacturing processes through management and execution of internal and outsourced laboratory activities. Depending on projects, this role may also oversee the activities of one or more collaborators. Join the engine of Sanofis mission where deep immunoscience meets bold, AI-powered research. In R&D, youll drive breakthroughs that could turn the impossible into possible for millions. About Sanofi: Were an R&D-driven, AI-powered biopharma company committed to improving peoples 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 peoples lives. Main Responsibilities: Design novel synthetic pathway for drug substances in clinical development. Conduct route scouting in laboratory to demonstrate synthetic viability. Use all imaginable chemistry tools and methods to develop new synthetic pathways (photochemistry, biochemistry, flow chemistry, electrochemistry, on-line analysis, High Throughput Screening, structural analysis (NMR, UPLC/MS). Analyze experimental data to drive synthetic experimental plans. Assist in the design, planning and execution of multi-step experimental studies guided by risk assessment to deliver safe, efficient, robust and scalable drug substance manufacturing processes. Investigate optimization and scale-up of reaction and purification unit operations. Collaborate within project teams by working closely with analytical chemists, process engineers, pilot plant experts and project managers within the CMC Synthetics organization. Communicate scientific results in a clear, concise, and accurate manner via electronic laboratory notebook documentation, development reports, project discussions and presentations. Draft and review technical reports, external publications and patent applications. May include management of outsourced laboratory activities: generating scope of work, supervising activities at CDMOs, validating reports for outsourced activities. About you: Ph.D. in organic or synthetic chemistry. Strong publication record in peer-reviewed journals (at least one publication in a high-tier journal) Proficiency with Microsoft suite. Familiarity with digital tools (e.g. Scifinder-n, and Reaxys) and advanced data analysis software (e.g. Spotfire). Preferred: Knowledge in at least one of the following areas: advanced analytics, flow chemistry, high throughput experimentation. Experience in chemocatalysis or biocatalysis including characterization of catalytic processes and/or mechanistic analysis. Computational capabilities and basic coding skills. Post-doctoral experience. Design of experiment, statistical and/or thermo-kinetic modeling. French language 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 its 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 vhd LI-Hybrid 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.

Keywords: Sanofi, Leominster , Senior Scientist- Synthetic Enabling Technologies, Science, Research & Development , Cambridge, Massachusetts