Summer-Fall 2026 Binding and Functional Assays, Immunology Co-op
Sanofi
Job Title: Summer-Fall 2026 Binding and Functional Assays, Immunology Co-op
Location: Waltham, MA
About the Job
The Global Immunology Department in Sanofi, Vaccines R&D organization is seeking a highly motivated and organized Associate Scientist to join the Early Stage Immunology group.
This position will serve as an integral member of a research team responsible for performing experimental in vitro and clinical exploratory studies to assess the immunogenicity, reactogenicity, and mechanism of action of vaccine and drug candidates.
We are an innovative global healthcare company that helps the world stay ahead of infectious diseases by delivering more than 500 million vaccine doses a year. Across different countries, our talented teams are exploring new technologies to protect people and promote healthy 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:
Develop and exploit immunological methods for the analysis of vaccine candidates against neurological and infectious diseases under pre-clinical development. Build relationships and manage project-specific tasks across different groups as required by the project.
Be responsible for laboratory testing examining the immunological attributes of the biological samples from humans and various animal species such as mice, and non-human primates. Get trained and subsequently apply hands-on expertise with cell-based neutralization assays using cell lines as well as possibly ELISA, MSD, Luminex and other binding assays. Perform titrations of viruses using cell lines as required.
Has a strong hands-on commitment to laboratory research towards establishing best practices while promoting a safe working environment. Participate in laboratory upkeep as required.
Be responsible for assembly of own laboratory data, preliminary analysis, and appropriate documentation through electronic laboratory notebooks. Actively participate in the project/group meetings through attendance, presentation of his/her own data and contributing to the discussion. May participate in the transfer of immunoassays into clinical immunology groups.
All work is performed in BioSafety Level 2+ (BSL2+) laboratory environment and will involve health and safety training to get clearance for entry to the laboratories.
About You
Basic Qualifications:
Currently enrolled and pursuing a bachelor’s or master's degree in biology, biotechnology, immunology, virology or a 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 enrolled in school the semester following your internship/co-op with Sanofi
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:
Understanding of principles of binding assays (like ELISA) and serum antibody-based neutralization assays
Strong organizational skills, willingness and ability to quickly adjust to a new environment and learn new laboratory techniques
Ability to work independently (once trained) and in the team and plan your own workday
Hands-on technical experience with sterile environment is a plus
Understanding of safe lab practices and experience in working in BSL2 environment with infectious agents requirements is a plus
Proficient English language written and verbal skills are required
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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Pursue progress, discover extraordinary
Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people.
At Sanofi, we provide equal opportunities to all regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, ability or gender identity.
Watch our ALL IN video and check out our Diversity Equity and Inclusion actions at sanofi.com!
US and Puerto Rico Residents Only
Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally inclusive and diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; natural or protective hairstyles; 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.