Senior Associate Scientist (Bioassay Development)

Job title: Senior Associate Scientist (Bioassay 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. Sanofi is seeking a highly motivated Associate Scientist to join the Analytical Development team within Mammalian Bioanalytics, which develops, validates, and transfers analytical methods used for characterization and release of biologics to support clinical development of new medicines. The successful candidate will participate in the development and validation of analytical methods involving qPCR, ELISA, MSD, cell-based assays and other analytical techniques routinely used to support biotherapeutics development. This individual will conduct pre-clinical and clinical lot release and stability testing of biotherapeutics, including antibodies, antibody-like molecules, enzymes, and other therapeutics. This role operates within a cGMP environment and requires excellent verbal and written communication skills, strong attention to detail, and the ability to collaborate effectively with cross-functional departments. 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: Participate in the development, qualification, validation, and transfer of qPCR, ELISA, MSD, cell-based assays and potentially other analytical methods in a regulated GMP environment. Perform routine cell culture activities such as thawing, passaging and banking cells. Cross train in separation techniques such as cIEF, CE-SDS and SEC and support GMP release and stability testing as needed Perform cGMP sample testing according to standard operating procedures (SOPs) and compile data packets. Assist in the drafting of SOPs and technical reports and be able to effectively communicate progress and experimental results to supervisor and team members. Support Analytical equipment maintenance by performing regular scheduled activities to comply with GMP standards to maintain a GMP compliant laboratory. Ensure timely completion and delivery of all analytical results and documentation (technical reports, SOPs, ELN, LIMS, etc.) to support product development during clinical phases. About you B.A./B.S. degree in Biology, Biochemistry, Immunology or related discipline with a minimum of 2 years of relevant experience in the biotechnology/pharmaceutical industry, or Master's Degree in Biology, Biochemistry, Immunology or Biotechnology, or related discipline with 0 to 2 years of experience. An understanding of Biology, Biochemistry, Biophysical methods (residual DNA, binding assays, cell-based assays) Must be organized, efficient, and able to work according to timelines. Excellent organizational and communication skills Must be able to work collaboratively in a fast-paced, team-oriented environment. Must have permanent US work authorization 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-SG #LI-GZ #vhd #LI-Hybrid 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: $75.000,00 - $108.333,33 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. We are an R&D driven, AI-powered biopharma company committed to improving people’s lives and creating compelling growth. Our team is guided by one purpose: we chase the miracles of science to improve people’s lives. We want to build a healthier, more resilient world, and turn the impossible into the possible by discovering, developing, and delivering medicines and vaccines for millions of people around the world. Discover more about us visiting or via our movie We are Sanofi Start a career that makes a difference. Reinvention is in our DNA. It’s what drove our evolution from a small French enterprise to one of the world’s leading biopharma companies. Whether it’s using AI to shorten drug-discovery times or building trust in healthcare, you could be helping our teams make life better for patients, partners, and communities. This is where you grow your career. We open the door for you to explore new opportunities, push your limits, and connect with people who are driven by a shared purpose: we chase the miracles of science to improve people’s lives.