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Medical Science Liaison- Pulmonary So. Cal (S. CA/NV/UT/HI)

Remote, USA Regular Posted on   May. 11, 2026 Closing on   Aug. 11, 2026 Salary Range   USD 146,250.00 - 211,250.00
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Job Title: Senior Medical Science Liaison - Pulmonary - Pacific

Location: Remote

About the Job

The Mission of Sanofi’s MSL Team and the Medical Science Liaison is to be the trusted scientific partners in the field for external experts and decision-makers engaging in mutual scientific exchanges to accelerate data dissemination.  Sanofi’s Medical Field base teams enhance the understanding of the scientific and medical value of our products in the therapeutic area and gather new insights by bringing cutting edge scientific exchange today that accelerates medical innovation tomorrow.

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:

The Medical Science Liaison (MSL) is a field-facing role whose main responsibilities are:

  • Scientific Stakeholder Engagement: Serve as a trusted scientific partner to Key Opinion Leaders and healthcare providers, conducting high-quality scientific exchanges to enhance understanding of Sanofi's medical and scientific value.

  • Medical Insights Generation: Gather, record, and share insights from stakeholder interactions to strengthen Sanofi's scientific messages, strategies, and product development.

  • Disease Area Expertise: Maintain up-to-date knowledge of therapeutic areas, disease management protocols, and competitive landscape to effectively communicate product value.

  • Internal Collaboration: Partner with Medical Affairs, Commercial Operations, Regulatory, and other internal stakeholders to support medical strategy, compliance, and product positioning.

  • Evidence Generation Support: Identify data collection opportunities, support clinical trial site identification, and assist with investigator-sponsored studies (ISS) submissions.

  • Congress & Educational Activities: Represent Sanofi at scientific congresses, organize educational meetings, advisory boards, and support speaker training.

  • Compliance & Governance: Ensure full compliance with company, industry, legal, and regulatory requirements while maintaining excellence in all governance processes.

About You

Main Qualifications:

  • Advanced degree in a technical, scientific or medical field (MD, PhD, Pharm D,) preferred, or other Relevant Life Sciences Degree (RN/MS) with Healthcare Specialty required.

  • Previous pharmaceutical industry experience preferred.

  • Clear understanding of medical practice, clinical decision making and healthcare systems related to patient care.

  • Ability to interpret key scientific data and translate this information to meet educational and research needs.

  • Demonstrated ability to address educational and research needs through delivery of cutting edge scientific/evidenced based data.

  • Understand the design and execution of research studies.

  • Exemplary communication and presentation skills.

  • Experience in working on multi-disciplinary teams and managing significant volume of projects.

Preferred Qualifications:

  • Demonstrates effective leadership skills (by example and through accomplishments), steps forward to handle challenges within scope of authority.

  • Deep understanding and knowledge of local regulations and codes of practice for pharmaceutical industry, in particular as they apply to the non-promotional activities of this role.

  • Demonstrates scientific expertise - stays abreast of data, treatment trends, and new information in the profession and ability to articulate therapeutic knowledge and translate expert feedback into appropriate insights.

  • Knowledge of relevant healthcare systems, the evolving medical landscape, regulatory and payer environment, public health and industry trends.

  • Actively listens to others and is adept at confidently stating expert opinion while respecting the positions of others - can exert diplomacy while standing firm on a position.

  • Utilizes effective, professional communications to cultivate strong working relationships with internal and external colleagues, flexible in own approach to people and situations.

  • Skilfully plans, prioritizes, and executes multiple responsibilities and projects.

  • Proficiency in digital tools.

  • Working knowledge of English as a second language.

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.

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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