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Job Title: mRNA Systems Engineering - Vaccine Summer - Fall 2026 Co-op

Location: Waltham, MA

About the Job

As a Co-op mRNA Systems Engineering Intern within our Systems team at Sanofi's mRNA Center of Excellence, you'll spend 6 months developing software to support cutting-edge R&D work for mRNA-based vaccines targeting a variety of diseases. You'll assist in creating pipelines and applications for screening and designing mRNA sequences and other vaccine components, while also helping maintain and upgrade our central repository of machine learning models and modular components. Ready to get started?

Join the team protecting half a billion lives every year with next-gen science, mRNA innovation, and AI-driven breakthroughs. In Vaccines, you'll help advance prevention on a global scale - and shape the future of immunization through innovative software solutions that accelerate our scientific discoveries.

About Sanofi:

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.

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:

• Collaborate with other team members on active code bases

• Learn and apply industry-standard engineering best practices

• Collaborate with stakeholders in the broader mRNA Center of Excellence (COE) to help ensure the business needs of the organization are being met

• Assist and train software users as needed

• Develop pipelines and applications to assist in the screening and design of mRNA sequences and other vaccine components

• Help maintain and upgrade a central repository of machine learning models and other modular components for use in design pipelines

About you

Basic Qualifications:

• Currently enrolled and pursuing bachelor's or master's degree in Computer Science, Data Science, Bioinformatics, or related field at an accredited college or universitywith the expectation that you will complete yourcurrent degreeby 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

• Proficient in Python
  

Preferred Qualifications:

• Exposure to Continuous Integration/Continuous Deployment (CI/CD) workflows

• Some experience with Docker, Kubernetes, or other containerization tools

• Excellent attention to detail

• Strong written and verbal communication skills

• Ability to quickly orient to a new code base

• Familiarity with the training and lifecycle of machine learning models

• Natural curiosity to explore beyond your immediate tasks

• Enthusiasm for understanding how your work fits the bigger picture

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.​​

• Work at the forefront of AI-driven research, smart manufacturing, and groundbreaking mRNA platforms that are redefining the future of immunology.

• Learn from inspiring mentors and collaborative teams while contributing to real projects that shape the future of healthcare.

• Stretch your skills through hands-on experience with cutting-edge technology that keeps you ahead of the curve.

• Be part of our innovative mRNA Center of Excellence, where bold thinking and scientific excellence combine to create next-generation vaccines.

• Grow in a purpose-driven company where your voice matters and your work helps improve millions of lives.

• Help create sustainable vaccine solutions, from reducing carbon emissions in production to increasing global access to life-saving immunizations.

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. Discovery Extraordinary.

Werde Teil von Sanofi und starte mit uns in eine neue Ära der Wissenschaft – wo dein persönliches Wachstum genauso wegweisend ist wie unsere Arbeit. Wir investieren in dich, damit du weiterkommst, schneller denkst und Dinge möglich machst, die vorher undenkbar waren. Du wirst Grenzen verschieben, Gewohntes hinterfragen und smarte Lösungen entwickeln, die direkt bei den Menschen ankommen, für die wir da sind. Bereit, die Wunder der Wissenschaft zu jagen und Leben zu verbessern? Dann lass uns gemeinsam Großes bewegen – und das Außergewöhnliche entdecken.

Bei Sanofi stehen allen die gleichen Chancen offen – unabhängig von Herkunft, Hautfarbe, Religion, Geschlecht, Nationalität, sexueller Orientierung, Alter, Staatsangehörigkeit, Familienstand, Behinderung, Geschlechtsidentität, Veteranenstatus oder anderen gesetzlich geschützten Merkmalen.