R&D
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Job Title: Senior Associate Scientist, Advanced Ocular In Vitro Models

Location: Cambridge, MA

About the Job

Join the engine of Sanofi’s mission — where deep immunoscience meets bold, AI-powered research. In R&D, you’ll drive breakthroughs that could turn the impossible into possible for millions.

Sanofi is seeking a motivated Senior Associate Scientist to support the development of advanced ocular in vitro models that drive innovation across the Ophthalmology research pipeline. As part of the Advanced Ocular In Vitro Models group, you will contribute to the establishment of physiologically relevant models for retinal diseases, macular degeneration, glaucoma, and other vision-related indications. You will collaborate with cross-functional teams to apply these models in disease research, therapeutic screening, and mechanistic studies. This is an exciting opportunity to grow your career while contributing to the development of transformative, vision-preserving treatments for patients worldwide.

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

• Lead the optimization and implementation of differentiation protocols for iPSC-derived ocular cell types (e.g., RPE, RGCs, endothelial cells, microglia).

• Advance the scalability and efficiency of cell culture and differentiation platforms through the integration of automation technologies.

• Evaluate and implement innovative model systems (e.g., co-cultures, organoids, organ-on-chip).

• Apply in vitro models to study disease mechanisms, validate targets, and assess therapeutic efficacy and safety.

• Collaborate across interdisciplinary teams in a matrixed research environment.

• Document and present scientific findings to support project milestones.

About You

• Earned Bachelor’s degree in life sciences, bioengineering or other relevant field with 3+ years OR Master’s degree in life sciences, bioengineering or other relevant field with 1+ years of relevant experience preferably in biotech/pharmaceutical setting.

• Hands-on experience with iPSC culture and differentiation is required. Experience within ocular cell types is highly preferred.

• Experience with automated cell culture systems or protocol optimization.

• Expertise with molecular and imaging techniques (e.g., qPCR, immunocytochemistry, high-content imaging).

• Familiarity with high-throughput assay development using iPSC-derived cells is highly preferred.

• Familiarity with bioengineering approaches focused on cellular systems, microfluidics, and/or translational research is preferred.

• Experience with computational tools (e.g., R, Python) for data analysis.

• Ability to work independently and collaboratively in cross-functional teams.

• Ability to multi-task and adapt to rapidly changing priorities and deadlines.

• Strong critical thinking, analytical, and problem-solving skills.

• Exceptional written and verbal communication skills, with experience in effectively presenting scientific data in a matrixed environment.

• Exceptional organizational and time-management skills, lab notebook practices, and attention to detail.

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.

• Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave.

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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All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.

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.