Summer 2026 Intern - Immunology Research

Job Title : Summer 2026 Intern - Immunology Research

Location : Cambridge, MA

About the Job

Ready to grow your skills while helping shape the future of healthcare? At Sanofi, you’ll be empowered to learn, ask questions, and bring your ideas to life – all while supported by inspiring mentors and collaborative teams.

Looking to launch your career at the cutting edge of H ealthcare ? Join Sanofi for a chance to develop with mentoring and guidance from inspirational leaders while helping to make an impact on the lives of countless people worldwide. As a Research Intern in our Immune Checkpoint Cluster , you will work in a lab-based setting on an exciting and innovative research project that aims to advance therapeutic regulation of T cell tolerance and homeostasis.

We’re an R&D-driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people’s lives.

Main Responsibilities :

Research Intern within Sanofi’s Immunology Discovery Labs.

Learning and understanding advanced concepts within Immunology.

Mastering practical aspects of fundamental Immunology assays.

Familiarization with the drug discovery process with an Immunology & Inflammation setting.

Acquiring data analysis and presentation skills.

About You

Basic Qualifications :

Currently enrolled and pursuing a bachelor’s degree in biology , Chemistry, Engineering, Health Sciences, or another STEM related field at an accredited college or university with the expectation that you will complete your current degree by the spring of 2029.

Must be enrolled in an accredited college or university throughout the duration of the co-op / internship.

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 :

Have an understanding of the fundamental aspects that control immune cell activation and regulation

Familiar with working in a dynamic and high-performing team with basic lab environment experience

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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