Associate Director/Principal Medical Writer
Cambridge, MassachusettsMorristown, New Jersey Regular Posted on Jul. 30, 2025 Closing on Dec. 06, 2025 Salary Range USD 147,000.00 - 212,333.33
Job Title: Associate Director/Principal Medical Writer
Location: Cambridge, MA Morristown, NJ
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
The Principal Medical Writer is a key member of the Medical Writing team, the Clinical Trial Team (CTT) and Project Team. This is a position for a senior medical writer who has an extensive experience with the preparation of clinical documents and regulatory dossiers and has demonstrated leadership skills as submission lead.
As an integral part of the clinical team, the position holder ensures the quality, compliance with internal and external standards, and timely production of English-language clinical documents regarding both the project as a whole, and individual clinical studies.
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:
Produce and update clinical documents in a timely manner for study start, conduct and completion, as well as regulatory submissions according to company standards and procedures with the ultimate aim to gain regulatory approval of therapeutic indications.
Coordinate medical writing activities in study teams, including external services. Ensure information sharing among MWs. Submit suggestions for improving or extending the standards of clinical documentation, share experience with other medical writers of accommodating special details of clinical studies not covered by the standards and technical expertise gained with advanced technologies.
Review clinical development plans to ensure adequate planning of medical writing activities. Advise team members of regulatory requirements for documentation and propose strategies that provide efficiency gains.
Prepare, or coordinate the preparation of, clinical modules for registration dossier, including overall EU or US clinical regulatory documentation using available standards, and ensure consistency across regulatory documents following database changes or modifications to the registration package.
Prepare, or coordinate the preparation of, responses regarding company drug submission dossiers to Health Authorities.
Review and edit work of contract writers to ensure quality is maintained.
Build and sustain rapport with clinical personnel, including internal clients and colleagues. Establish effective cross-functional relationships with local and counterparts in other departments, especially Regulatory Operations.
Maintain awareness of current clinical documentation requirements for target regulatory agencies. Notify management of any changes to standards and the impact of these changes on systems/processes.
Represent Clinical Documentation as Subject Matter Expert on transversal initiatives, concerning content, processes and tools for the implementation of new/updated processes or IT solutions to bring efficiencies, time and/or cost saving.
Acts as change agent for the medical writing teams.
Share experience with and train other medical writers.
In collaboration with ITS, lead transversal project teams in view of the implementation of new technologies for accelerating the preparation of the documents and providing cost saving.
Additional Responsibilities:
Responsible for the timely preparation and/or coordination, in English, of reports and/or related regulatory documentation (in some cases of extremely time-critical documentation), required for the planning, initiation, performance and reporting of clinical studies and for marketing approvals worldwide. This work involves close cooperation with members of the CTT and Project Team, as well as colleagues within Clinical Documentation.
Provide dedicated scientific authoring expertise to ensure that the clinical opinion, as defined by the Clinical Study Director and the Therapeutic Department Head, is presented accurately and concisely.
Liaise with external services and review documentation generated elsewhere (e.g. Clinical Research Organizations (CROs), subsidiaries, co-development partners), and internal support staff (e.g. for the preparation of tables, illustrations and appendices).
In addition to bringing the required medical writing skills and industry experience, must be willing and able to take responsibility for the mentoring and/or training of more junior colleagues, management of Clinical Documentation teams, maintaining close contact with external departments, and the coordination of external contractors.
In addition, the Principal Medical Writer is the Clinical Documentation representative in transversal initiatives to contribute to the implementation of process improvement. The Principal Medical Writer leads projects in view of developing innovative solutions and technologies (e.g. content re-use, AI) to bring efficiencies and cost savings.
The Principal Medical Writer contributes to training preparation and delivery and provides support to the medical writing teams.
About You
Knowledge and skills
Experience as a Medical Writer with 6 years of industry experience
Ability to clearly, accurately, and concisely prepare all types of clinical documentation, including major submission and/or complex documents in English.
Excellent interpersonal and leadership skills.
Ability to work both autonomously and collaboratively with transversal teams in a multicultural, multilingual, and geographically dispersed environment.
Must be deadline oriented, possessing a sense of urgency, accuracy, and be meticulous and attentive to detail.
Technical comfort with electronic document management and word processing software is required, particularly good Microsoft Word skills.
Native English speaker or with proven excellent spoken and written English.
Possesses a solid work ethic, professionalism, organizational ability, and follow-up skills.
Formal Education And/or Experience required
Advanced scientific degree, Master or Ph.D. in life sciences, PharmD, or medically qualified.
Work experience of more than 6 years as a medical writer or equivalent or presenting relevant specialist qualifications.
Experience as Lead Project MW on multiple types of clinical documents.
Professional background documenting an excellent understanding of, and experience in, clinical development, including clinical study performance/methodology, basic statistics, and/or the regulatory environment.
Knowledge and skill desirable but non essential
Specific knowledge of company-targeted therapeutic areas is strongly desirable.
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.
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.
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