
R&D
Where your curiosity drives the
miracles of
science
Safety Expert Statistician
Cambridge, Massachusetts Salary Range USD 147,000.00 - 212,333.33
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.
About the Job:
Are you ready to shape the future of medicine? The race is on to speed up drug discovery and development to find answers for patients and their families. Your skills could be critical in helping our teams accelerate progress. Join our Biostatistics team as a Safety Expert Statistician and you'll be supporting our V division with your safety data analysis talents to support safety monitoring teams.
Job Summary
Provide leadership and guidance as the lead statistician dedicated to safety on one or more safety monitoring team(s), accountable for all methodological and statistical aspects for safety data analyses around pooled clinical trial data of project(s). Act as statistical consultant within company for safety analyses, also on individual trial level.
Major Duties and Responsibilities
Lead safety signal detection, validation, charaterisation and reporting for several projects with minimal direction from group head, direct statistical support and provide statistical scientific leadership for clinical trial safety data within a project. Accountable for statistical aspects for safety analysis, including quality, relevance to external stakeholders (e.g. regulatory authorities, medical journals), and scientific validity.
Accountable for all safety statistical deliverables for complex projects
Promote teamwork, quality, operational efficiency, and innovation. Ensure safety monitoring team compliance with SOPs and departmental standards.
Plan and track project activities related to safety, timelines, and resource use. Provide justification for planned resource needs. Seek to optimize resource utilization thru efficient and well-managed resource allocation and across projects or areas. . Capacity to respond to unscheduled increase in workload.
Lead discussion around definition and harmonization of quality standards also on individual trial level within and across therapeutic areas.
Provide technical guidance and mentoring to junior staff.
Ensure productive collaborations with other functions in the safety monitoring team and with other statistics project leaders and in communicating with senior leadership.
Represent statistics to participate (and lead if applicable) in scientific or technology working groups or cross function initiatives. Contribute to operation process optimization. Develop, promote state-of-the-art methodology and standards for safety analyses.
About you:
PhD/MS in statistics or related discipline with 6 years of pharmaceutical experience Knowledge of epidemiology methods and concepts in safety context
Demonstrated strong project/study management, interpersonal and communication skills
Broad knowledge and good understanding of advanced statistical concepts and techniques, including bayesian methodology
Broad experience in clinical development or post-marketing activities such a submissions, interactions with regulatory agencies or other external stakeholders
Experience safety signal detection desired
Ability to represent Sanofi in cross-company activities such a consortiums or professional associations
Ability and mindset to embrace change, innovate and continuously improve practice
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. 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

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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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