
R&D
Where your curiosity drives the
miracles of
science
Senior Associate Scientist, CMC BioDPDM
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 Associate Scientist, CMC BioDPDM
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.
CMC Biologics Drug Product Development and Manufacturing is focused on the development of safe, stable, patient-centric biologic drug products and manufacturing processes. Our team works from lead candidate identification and selection through clinical development and commercial launch.
The senior associate scientist will be part of Global Drug Product Development and Manufacturing organization, supporting biologic drug product formulation and process development. The senior associate scientist will play a critical role in supporting laboratory-based studies working on different facets of drug product formulation and process development, across multiple modalities including monoclonal antibodies (mAb), multi-specific antibodies, therapeutic enzymes, and fusion proteins. Formulation work would include both liquid and lyophilized formulation development, process development, and characterization from early phase 1 through phase 3 drug product development.
We are an innovative global healthcare company, committed to transforming the lives of people with immune challenges, rare diseases and blood disorders, cancers, and neurological disorders. From R&D to sales, our talented teams work together, revolutionizing treatment, continually improving products, understanding unmet needs, and connecting communities. We chase the miracles of science every single day, pursuing progress to make a real impact on millions of patients around the world.
Main Responsibilities:
Execution of formulation, process development, and stability studies for both liquid and lyophilized products across the development life cycle.
Analyze, compile, and present data to drive decision making for programs.
Support laboratory management and safety programs, including implementation of new equipment and work processes.
Utilize good documentation practices in maintaining electronic lab notebook entries and authoring robust technical reports.
Support technological application development and implementation, including iLab and other work packages.
About You
Experience: Experience with analytical and biophysical characterization techniques such as HPLC, HIAC, MFI, CE-SDS, cIEF, and various spectroscopy methods. Basic statistical data analysis understanding. Previous experience in formulation, process or lyophilization development is a plus.
Soft and technical skills: Ability to learn new skills, team and project oriented with strong motivation and work ethic, good communication skills, flexible mindset to support a fast-paced team environment.
Education: Master’s degree in biology, molecular biology, chemistry, biochemistry, pharmaceutical science, chemical or protein engineering, or related field -OR- bachelor’s degree with 2 years of relevant experience
Languages: English
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.
#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.
Sanofi US endeavors to make our career center accessible to any and all users. If you are experiencing difficulty and need assistance applying online, please click 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
Find out more about this location

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
Discover more

Our R&D focus areas
Discover how we're reshaping the future of medicine through immunoscience – unlocking bold, cross-disease breakthroughs that were unimaginable just a decade ago.

Meet Sanofians in the labs
Step inside our labs and hear from the scientists turning cutting-edge science into real-world impact – driven by curiosity, collaboration, and purpose.

Join our
talent community
What could we achieve together? Every Sanofian works on projects that truly make a difference to people’s lives.
Sign up today and discover our latest opportunities as soon as they’re available.