Winter / Spring 2026 Co-op - Checkpoint Immunology

Job Title : Winter / Spring 2026 Co-op - Checkpoint Immunology

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.

The Immunology and Inflammation Research Therapeutic Area in Sanofi is seeking a talented and motivated co-op student to join our checkpoint cluster in Jan 2026.   The successful candidate will have an opportunity to learn about the R & D lab activities in the pharmaceutical industry. They will learn about the immune regulatory pathways and pathophysiology of autoimmune and inflammatory diseases and gain hands-on experience on immunology techniques. The candidate will work with team members in novel assay development and test our candidate molecules in immunoassays. The ideal candidate is expected to have experience in immunology and cell and molecular biology.

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 :

Perform mammalian cell culture and experiments following existing SOPs.

Perform ELISA development and testing.

Perform immunoprecipitation and Western blot development.

Perform cell line-based screening assays.

Perform Flow cytometry.

Perform data analysis, and related document writing with a critical look at the relevance of the results.

Compliant to Sanofi Quality standards and HSE policy. Participate in continuous improvement of laboratory safety and quality compliance.

About You

Basic Qualifications :

Currently enrolled and pursuing a bachelor’s degree in molecular biology , cell biology, immunology, pr related field at an accredited college or university with the expectation that you will complete your current degree by the Spring of 2028.

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

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.

Preferred Qualifications :

Basic understanding of immunology principles.

Experience with standard laboratory techniques, including cell culture, flow cytometry and ELISA.

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.

Exposure to cutting-edge technologies and research methodologies.

Networking opportunities within Sanofi and the broader biotech community.

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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