R&D
Where your curiosity drives the
miracles of
science

Job Title: Executive Assistant

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

We are seeking a highly organized and proactive Executive Assistant to provide comprehensive support to the Head of Immunology Clinical Development and the broader Immunology Clinical Development team. This role is critical in ensuring seamless operations, effective communication, and efficient coordination across a dynamic, fast-paced clinical development environment.

The ideal candidate will be a trusted partner who can anticipate needs, manage complex priorities, and represent the department with professionalism and discretion.

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

Executive Support

• Manage complex calendars, scheduling meetings across multiple time zones and coordinating with internal and external stakeholders

• Coordinate domestic and international travel arrangements, including logistics for conferences, investigator meetings, and site visits

• Prepare and process expense reports in a timely and accurate manner

• Anticipate the needs of the Head of Immunology Clinical Development and proactively address issues before they arise

• Handle confidential and sensitive information with the utmost discretion

Team Support & Coordination

• Provide administrative support to the Immunology Clinical Development organization, including scheduling, meeting coordination, and logistics

• Organize and coordinate team meetings, off-sites, and departmental events

• Maintain team distribution lists, organizational charts, and shared resources

• Support onboarding activities for new team members

• Track and follow up on action items from leadership and team meetings

Communications

• Draft, edit, and distribute internal communications on behalf of the Head and the department

• Prepare presentations, reports, and correspondence for internal and external audiences

• Serve as a liaison between the Head of Immunology Clinical Development and internal/external stakeholders

• Manage information flow and ensure timely responses to inquiries

Operational Excellence

• Support the preparation of materials for governance meetings, leadership reviews, and cross-functional initiatives

• Maintain organized filing systems and documentation for the department

• Identify opportunities to streamline administrative processes and improve team efficiency

• Partner with other Executive Assistants across R&D and the organization to ensure alignment and best practice sharing

About You

Required Qualifications

• Bachelor's degree or equivalent experience

• 5+ years of experience as an Executive Assistant, preferably supporting senior leaders in a pharmaceutical, biotech, or healthcare environment

• Exceptional organizational skills with the ability to manage multiple priorities and meet deadlines

• Strong written and verbal communication skills

• Advanced proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Teams)

• Experience with travel coordination and expense management systems (e.g., Concur)

• High level of professionalism, discretion, and confidentiality

Preferred Qualifications

• Experience in clinical development, R&D, or a scientific environment

• Familiarity with Workday, SAP, or similar enterprise systems

• Experience supporting global teams across multiple time zones

• Knowledge of pharmaceutical industry terminology and processes

Core Competencies

• Proactive & Resourceful: Anticipates needs and takes initiative to solve problems

• Detail-Oriented: Ensures accuracy and quality in all deliverables

• Collaborative: Works effectively with diverse teams and builds strong relationships

• Adaptable: Thrives in a fast-paced environment with shifting priorities

• Professional Presence: Represents the department with poise and credibility

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 a 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