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Job Title: Winter-Spring 2026 Co-op-Intern- CMC Biologics Drug Product Development and Manufacturing

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.

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 Winter/Spring 2026 Co-Op/Intern will be part of Global Drug Product Development and Manufacturing organization, supporting biologic drug product formulation and process development. The Co-Op/Intern will be exposed to laboratory-based studies working on different facets of drug product development, including formulation and process development, compatibility in-use studies and drug-device compatibility, across multiple modalities including monoclonal antibodies (mAb), multi-specific antibodies, therapeutic enzymes, and fusion proteins. The Spring 2026 Co-Op experience can include both liquid and lyophilized products, several medical devices, creation of databases and data structures, and characterization of protein solution from early phase 1 through phase 3 drug product development. 

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:

• Analyze, compile, and present data to mentors and manager to drive decision making for platforms and workgroups. 

• Support laboratory studies, management and safety programs.

• 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  

Must be permanently authorized to work in the U.S. and not require sponsorship of an employment visa (e.g., H-1B or green card) at the time of application or in the future. Students currently on CPT, OPT, or STEM OPT usually require future sponsorship for long term employment and do not meet the requirements for this program unless eligible for an alternative long-term status that does not require company sponsorship

Basic Qualifications:

• Currently enrolled and pursuing a bachelor's degree, master's degree, or PhD in pharmaceutical sciences, chemical, biomedical, mechanical or biochemical engineering, chemistry, biochemistry, or related field at an accredited college or university with the expectation that you will complete your current degree by the Spring of 2027

• Must be able to relocate to the office location and work 40hrs/week, Monday-Friday, for the full duration of the co-op/internship

Preferred Qualifications:

• 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. 

• 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. 

• Fluent inEnglish 

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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