Sanofi US
Summer-Fall 2026 Binding and Functional Assays, Immunology Co-op
Sanofi US, Waltham, Massachusetts, United States, 02254
Overview
Job Title:
Summer-Fall 2026 Binding and Functional Assays, Immunology Co-op Location:
Waltham, MA The Global Immunology Department in Sanofi, Vaccines R&D is seeking a highly motivated and organized Associate Scientist to join the Early Stage Immunology group. This co-op will participate in a research team responsible for performing experimental in vitro and exploratory clinical studies to assess immunogenicity, reactogenicity, and mechanism of action of vaccine and drug candidates. All work is performed in a BioSafety Level 2+ (BSL2+) laboratory environment and will involve health and safety training to obtain clearance for entry to the laboratories. 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. Perform laboratory testing examining the immunological attributes of biological samples from humans and various animal species (e.g., mice, non-human primates). Train and apply hands-on expertise with cell-based neutralization assays using cell lines, and possibly ELISA, MSD, Luminex and other binding assays. Perform titrations of viruses using cell lines as required. Maintain strong hands-on commitment to laboratory research, establish best practices, and promote a safe working environment. Participate in laboratory upkeep as required. Assemble own laboratory data, conduct preliminary analysis, and document through electronic laboratory notebooks. Participate in project/group meetings, present data, and contribute to discussions. May participate in the transfer of immunoassays into clinical immunology groups. 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 of completing the degree by Spring 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 40 hours/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 at the time of application or in the future. Students on CPT, OPT, or STEM OPT usually require future sponsorship for long-term employment and do not meet program requirements unless eligible for an alternative long-term status that does not require sponsorship. Preferred Qualifications: Understanding of principles of binding assays (e.g., ELISA) and serum antibody-based neutralization assays. Strong organizational skills and ability to quickly adjust to a new environment and learn new laboratory techniques. Ability to work independently (once trained) and in a team, and plan your own workday. Hands-on technical experience with sterile environments is a plus. Understanding of safe lab practices and experience in working in a 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 opportunities to grow your talent and advance your career, including promotions or lateral moves, at home or internationally. Enjoy a rewards package that recognizes your contribution. 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 status, sex, gender, gender identity or expression, sexual orientation, disability, veteran or military status, or other protected characteristic.
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Job Title:
Summer-Fall 2026 Binding and Functional Assays, Immunology Co-op Location:
Waltham, MA The Global Immunology Department in Sanofi, Vaccines R&D is seeking a highly motivated and organized Associate Scientist to join the Early Stage Immunology group. This co-op will participate in a research team responsible for performing experimental in vitro and exploratory clinical studies to assess immunogenicity, reactogenicity, and mechanism of action of vaccine and drug candidates. All work is performed in a BioSafety Level 2+ (BSL2+) laboratory environment and will involve health and safety training to obtain clearance for entry to the laboratories. 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. Perform laboratory testing examining the immunological attributes of biological samples from humans and various animal species (e.g., mice, non-human primates). Train and apply hands-on expertise with cell-based neutralization assays using cell lines, and possibly ELISA, MSD, Luminex and other binding assays. Perform titrations of viruses using cell lines as required. Maintain strong hands-on commitment to laboratory research, establish best practices, and promote a safe working environment. Participate in laboratory upkeep as required. Assemble own laboratory data, conduct preliminary analysis, and document through electronic laboratory notebooks. Participate in project/group meetings, present data, and contribute to discussions. May participate in the transfer of immunoassays into clinical immunology groups. 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 of completing the degree by Spring 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 40 hours/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 at the time of application or in the future. Students on CPT, OPT, or STEM OPT usually require future sponsorship for long-term employment and do not meet program requirements unless eligible for an alternative long-term status that does not require sponsorship. Preferred Qualifications: Understanding of principles of binding assays (e.g., ELISA) and serum antibody-based neutralization assays. Strong organizational skills and ability to quickly adjust to a new environment and learn new laboratory techniques. Ability to work independently (once trained) and in a team, and plan your own workday. Hands-on technical experience with sterile environments is a plus. Understanding of safe lab practices and experience in working in a 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 opportunities to grow your talent and advance your career, including promotions or lateral moves, at home or internationally. Enjoy a rewards package that recognizes your contribution. 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 status, sex, gender, gender identity or expression, sexual orientation, disability, veteran or military status, or other protected characteristic.
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