R&D
Where your curiosity drives the
miracles of
science
Senior Scientist, Systems Biology
At a glance
Bring your curiosity to a team where deep immunoscience meets cutting-edge innovation. Across oncology, rare diseases, neurology, and vaccines, you’ll work at the intersection of lab science and AI-powered discovery — all while collaborating across boundaries to turn breakthrough ideas into real-world impact. Whether you want to deepen your scientific expertise or grow as a leader, you’ll find the opportunity here.
Job Title: Senior Scientist, Systems Biology
Location: Cambridge, MA
About the Job
As a Senior Scientist in Systems Biology within our Systems and Disease Biology Cluster, you will decode disease mechanisms at cellular resolution and pioneer AI-powered workflows that accelerate the path from discovery to patient impact. Ready to get started?
The Systems and Disease Biology Cluster, part of the Target, Disease, and Systems Biology function at Sanofi Research, is dedicated to delivering first-in-class medicines to patients. Our approach involves deconstructing disease mechanisms into cellular building blocks and advancing innovative therapeutics for the precise targeting of pathogenic cell types.
We are in search of a highly skilled, independent, proactive, and well-organized Senior Scientist. The ideal candidate will possess expertise in complex cellular analytics, as well as strong data science skills to help build upon our current achievements and secure our future success. Experience in developing and deploying modern agentic analysis workflows to accelerate discovery timelines and create reusable analytical templates is highly valued.
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.
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.
Main Responsibilities:
- Analyze and leverage spatial and single-cell multiomic data to delineate pathogenic cell states and tissue microenvironments, generating actionable mechanistic insights and novel target hypotheses that directly inform drug discovery decisions.
- Design intelligent agentic workflows that streamline the deployment of innovative algorithms and computational models.
- Contribute to the evaluation and application of foundation models and virtual cell models to advance our understanding of disease biology.
- Collaborate closely with interdisciplinary and cross-functional teams, including biologists, chemists, data scientists, and other stakeholders.
- Lead and contribute to high-profile presentations and publications, ensuring effective communication of research findings and methodologies.
- Support the growth of the team by mentoring interns and junior scientists, sharing knowledge and fostering a collaborative research environment.
About You:
PhD completed by August 2026 in systems biology, computational biology, computer science, applied mathematics, or a related field with 0-3 years of relevant academic or industry experience.
Experience in analyzing cellular multiomic data in academia or industry using Python.
Hands-on experience building or deploying agentic analysis workflows.
Record of productivity, innovation, and impact, demonstrated through publications or patents.
Strong communication, organizational, interpersonal, and teamwork skills, with a successful history of collaboration across analytical disciplines.
Preferred:
Postdoctoral training experience.
Familiarity with or interest in addressing challenges related to combinatorial synergy and tailored deployments of foundation and virtual cell models.
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.
- Be part of a pioneering biopharma company that engages patients early in drug development and uses their insights to design studies that reflect real-world needs.
- Help improve the lives of millions of people globally by making drug development quicker and more effective.
- Work at the forefront of drug discovery, harnessing cutting-edge AI, data, and digital platforms to push the boundaries of science.
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. Discover Extraordinary.
Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.
At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.
Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com
Final compensation will be determined based on demonstrated experience, skills, location, and other relevant factors. Employees may be eligible to participate in Company employee benefit programs.
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Why work with us
- Expand your horizons. Grow through curiosity, with support to move, learn, and lead in a culture that champions mentorship, mobility, and bold development.
- Accelerate results with technology. Harness the power of AI and automation to push scientific boundaries and reimagine what's possible in drug discovery.
- Impact through inclusive innovation. Help deliver better science and fairer outcomes by driving inclusive research that reaches more people, in more meaningful ways.
- Turn patient needs into breakthrough science. Drive scientific breakthroughs that start with patient needs – and end in treatments that change lives.
Meet Nils Libert, Associate Scientist
Meet Nils Libert, an Associate Scientist in Belgium, where he plays a key role in advancing groundbreaking research. Learn how his work helps drive innovation, uncover new scientific possibilities, and contribute to life-changing treatments that impact patients around the world.
"At Sanofi, we are building an R&D engine powered by the best science, digital innovation, and a commitment to transforming the lives of patients around the world."
Houman Ashrafian
EVP & Head of R&D
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