
R&D
Where your curiosity drives the
miracles of
science
Senior Scientist
At a glance
Bring your curiosity to a team where deep immunoscience meets cutting-edge innovation. Across oncology, rare diseases, neurology, and vaccines, you’ll work at the intersection of lab science and AI-powered discovery — all while collaborating across boundaries to turn breakthrough ideas into real-world impact. Whether you want to deepen your scientific expertise or grow as a leader, you’ll find the opportunity here.
Job title: Senior Scientist
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.
Department Description:
The Bioanalytics Characterization group, within the Global CMC Development organization in Framingham MA, is a multi-disciplinary team providing comprehensive characterization support throughout biologics product development using state of the art analytical methods and tools.
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:
This position will focus on the following key objectives:
Collaborate with teams to design, execute and optimize stress studies supporting both early and late-stage programs for Mabs (including multi-specific formats).
Serve as representative for the characterization group to coordinate projects with ATL (analytical team lead).
Perform product characterization work from early to late-stage development, collaborating on structure/function studies with team members and cross-functional groups.
Develop and evaluate binding assays using Biacore-SPR (surface plasmon resonance) technology to support formulation, developability and comparability studies while actively participating in the cross-functional team discussions.
Author electronic lab notebook, technical documentation including reports, study protocols, and scientific publications; deliver presentations at internal and external conferences
Operate and maintain laboratory instruments with expertise.
About You
Basic Qualifications:
Ph.D., in a scientific field with life science experience; or a master’s degree with 4+ years of industry experience; or bachelor’s degree with 6+ years of industry experience.
A degree in Biochemistry, Biology, or a related scientific degree is preferred.
Demonstrated expertise and proven track record and in-depth knowledge of label-free binding technologies such as SPR for protein binding.
Hands-on experience in SPR, HPLC, and UPLC proteins analysis, plus experience in one or more of the following: isoelectric focusing, CE-SDS analysis, glycan analysis, biophysical methods, or high-throughput analytical platforms.
Preferred Qualifications:
Self-motivated professional with exceptional communication and problem-solving abilities.
Demonstrated track record of both independent achievement and successful team collaboration
Strong work ethic and commitment to excellence.
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.
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.
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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.
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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
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Why work with us
- Expand your horizons. Grow through curiosity, with support to move, learn, and lead in a culture that champions mentorship, mobility, and bold development.
- Accelerate results with technology. Harness the power of AI and automation to push scientific boundaries and reimagine what's possible in drug discovery.
- Impact through inclusive innovation. Help deliver better science and fairer outcomes by driving inclusive research that reaches more people, in more meaningful ways.
- Turn patient needs into breakthrough science. Drive scientific breakthroughs that start with patient needs – and end in treatments that change lives.
Meet Nils Libert, Associate Scientist
Meet Nils Libert, an Associate Scientist in Belgium, where he plays a key role in advancing groundbreaking research. Learn how his work helps drive innovation, uncover new scientific possibilities, and contribute to life-changing treatments that impact patients around the world.

"At Sanofi, we are building an R&D engine powered by the best science, digital innovation, and a commitment to transforming the lives of patients around the world."

Houman Ashrafian
EVP & Head of R&D
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