R&D
Where your curiosity drives the
miracles of
science
Associate 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: Associate 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.
We deliver 4.3 billion healthcare solutions to people every year, thanks to the flawless planning and meticulous eye for detail of our Manufacturing & Supply teams. With your talent and ambition, we can do even more to protect people from infectious diseases and bring hope to patients and their families.
Department Description:
Mammalian Purification Process Development, part of the Sanofi R&D CMC organization, is responsible for development, scale-up, transfer, and characterization of purification processes for clinical and commercial manufacturing of therapeutic proteins from the mammalian production platform. In addition, the department develops next generation bioprocessing and process development technologies such as integrated and continuous bioprocessing, high throughput process development, and modeling of bioprocesses. The department also works to support a global purification network and update our purification platform.
Main Responsibilities
We are looking for candidates for the position of Associate Scientist. This individual will join a dynamic and motivated team to develop downstream purification processes in support of early and late-stage drug development programs. In addition, the Associate Scientist will support the tech transfer of the developed process into the clinical manufacturing team or Manufacturing & Supply organization, while ensuring the highest standards of safety, environmental, and regulatory compliance are maintained in the workplace. Responsibilities include:
Work with team lead to design, plan,conduct, and analyze purification experiments, using high throughput purification techniques, benchtop and/or pilot scale chromatography and filtration systems.
Document experiment results in technical reports and present results at departmental meetings.
Work in teams to evaluate new technologies to increase purification process understanding, performance, and/or process robustness.
Develop, maintain, and demonstrate knowledge of principles, theories, and techniques in area of responsibility.
Stay abreast of relevant new technologies and published literature, including attending technical forums.
Maintain good communication and collaboration with colleagues in Purification Process Development and other departments.
About you
Basic Qualifications:
Bachelor's degree in Chemical Engineering, Biochemical Engineering, Biochemistry or related discipline.
Preferred Qualifications:
Laboratory experience, in either an academic or industrial setting.
Logical and critical thinking skills, as well as innovative problem solving.
Ability to work independently and also function in a matrix/collaborative/team-oriented environment.
An understanding of scientific principles underlying and/or experience with purification technologies and operations.
Excellent organization, and written and oral presentation skills.
High level of scientific curiosity.
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.
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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