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Research and Development

R&D
Where your curiosity drives the
miracles of
science

Associate Director - Principal Medical Writer

Cambridge, Massachusetts
Morristown, New Jersey
Salary Range   USD 147,000.00 - 212,333.33
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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: Associate Director - Principal Medical Writer

Location: USA, Remote. Proximity to Cambridge/Boston, MA or Morristown, NJ is highly desirable for attending occasional team meetings.

Grade: L3

Hiring Manager: MW Head MTA1

Job type: Permanent

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.

Our Team:

Global Medical writing and Document management serves to generate timely, high quality, cost effective and regulatory compliant documents. Our mission is to synergize and harness evolving technologies pushing the edge of regulatory writing.

We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. We’re also a company where you can flourish and grow your career, with countless opportunities to explore, make connections with people, and stretch the limits of what you thought was possible. Ready to get started?

Main responsibilities:

Document Development

  • Create high-quality regulatory-compliant clinical documents supporting product life cycle

  • Ensure timely delivery while maintaining compliance with standards

Innovation

  • Lead implementation of new digital technologies and AI solutions

  • Drive process improvements for efficiency gains

Regulatory Expertise

  • Prepare registration dossiers and Health Authority responses

  • Monitor and implement regulatory documentation requirements

Project Management

  • Lead cross-functional initiatives as Subject Matter Expert

  • Drive change management within writing teams

Communication

  • Update relevant stakeholders on project progress and needs

  • Maintain accurate information in planning, tracking, and reporting tools

  • Ensure consistent communication across ClinDoc functions

Coordination

  • Oversee writing activities across teams and vendors

  • Mentor junior writers and review contract work

Quality & Training

  • Develop training programs and documentation standards

  • Build effective relationships with stakeholders and partners

About you

Core Experience:

  • Six+ years as medical writer or equivalent specialist role

  • Proven track record leading multiple clinical documentation projects

  • Expert in clinical documentation preparation

Clinical Development Knowledge:

  • Demonstrated expertise in clinical development processes

  • Strong understanding of clinical study methodology and basic statistics

  • Knowledge of regulatory environment

  • Proficient in document management systems and authoring platforms

Professional Attributes:

  • Strong attention to detail and deadline management

  • Excellent organizational and follow-up abilities

  • Proven ability to work independently and in global teams

Technical skills:

  • Expertise in electronic document management and Microsoft Office

  • Proven experience in implementing emerging innovative digital technologies, including content reuse strategies and AI-assisted document authoring solutions.

Education: Advanced scientific degree, Master or Ph.D. in life sciences, PharmD, or medically qualified.

Languages: Proficient in written and spoken English.

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.

#GD-SA  ​
#LI-SA

#LI-Remote

#vhd

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.

Sanofi US endeavors to make our career center accessible to any and all users. If you are experiencing difficulty and need assistance applying online, please click 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

Apply now
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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.

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"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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Discover how we're reshaping the future of medicine through immunoscience – unlocking bold, cross-disease breakthroughs that were unimaginable just a decade ago.

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