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mRNA -Senior Engineer - Senior Scientist Drug Product Development - Vaccine



Waltham, MA, USA
Posted on Friday, August 18, 2023

mRNA -Senior Engineer - Senior Scientist Drug Product Development - Vaccine

Waltham, Massachusetts


From Research and Development to Sales and Marketing, Sanofi offers a wide range of possibilities. Discover our open positions and become a health journey partner.

Success Profile

Do you have what it takes for a successful career with Sanofi?

  • Courageous
  • Results-driven
  • Proactive
  • Problem-Solver
  • Leadership
  • Team player

Culture: Play to Win

  • Growth

  • Innovation

  • Efficiency

  • Collaboration


  • Health & Wellness

    Comprehensive coverage including medical, dental, vision, and health and wellness programs.

  • Financial

    Sanofi wants to ensure employees are equipped for financial health, Sanofi provides a competitive 401K Match program and Financial Wel-Being Tools and Programs.

  • Culture

    At Sanofi, we demonstrate our commitment to inclusion and diversity through Culture groups and programs. There are many ways to make a difference and connect with other Sanofi employees: including ERG groups and 2 PAID days off to Volunteer.

  • Work/Life Balance

    Sanofi provides significant Work/Life benefits to help you excel beyond the workday. Including Workplace Flexibility through part‑time, remote work, flex‑time and job share options.


"At Sanofi, We are guided by a deep appreciation and understanding of what it means to live with a rare blood disorder, and we learn by listening to the community – patients, caregivers physicians, and other healthcare professionals."

Shannon Resetich US Head Rare Diseases & Blood Disorders

"Patients are at the center of all that we do at Sanofi. Our teams are focused on advancing transformational therapies that can address serious unmet needs for people living with rare blood disorders, and expanding global patient access to our medicines."

Mouhamed Gueye US Head Medical Rare Blood Disorders


In the race for the future of health– The Sanofi mRNA Center of Excellence (CoE)

At Sanofi, we believe in a world in which no one suffers or dies from vaccine-preventable diseases. And while the pandemic has shaken up our industry, creating new opportunities and risks, we believe the acceleration of innovation with mRNA technology means vaccines for more people faster than before.

That’s why we’re looking for bold, optimistic world-changers to join the team at our mRNA Center of Excellence. We’re investing €400m a year into the new Center, hiring a team of 400 dedicated employees for it and using it as the foundation to implement integrated end-to-end mRNA vaccine capabilities and research with R&D, digital and CMC teams.

Bring your ambition and optimism for the future to Sanofi.

About the Opportunity

As an experienced Senior Engineer/Scientist in the Global Drug Product Development group, you will focus on development, optimization and scale-up of mRNA lipid nanoparticle drug product development including encapsulation and purification processes with the ultimate goal of transferring at scale methods to either the internal or external manufacturing team for GMP manufacturing of mRNA lipid nanoparticles.

In this role you will….

  • Apply scientific expertise and judgement to initiate, design, direct, and execute development studies for mRNA-LNP drug product formulation and process

  • Use QbD principles to develop and improve scale down models for mRNA GMP drug product production to support process understanding, process criticality, and robustness studies

  • Perform routine and complex analytical methods while working toward continual improvement

  • Work independently, pro-actively, and be an impactful contributor to project teams

  • Analyze, interpret, and summarize results in reports and presentations

  • Proactively collaborate with other groups or sites in transfer of information, materials, and drug product technology

  • Make decisions that require developing new options to solve moderately complex problems

  • Promote innovation, state of the art technologies, and propose strategies using publications to improve the products and processes

  • Demonstrate continuous growth in depth and breadth of personal scientific knowledge and understanding of strategic goals of group, team, and company

  • Maintain a consistent record of publications, patents, external presentations.


  • Biochemistry, engineering or related degree; PhD with 3+ years, MS with 5+ years or BS with 7+ years’ experience. Experience in drug product development and industrialization is preferred.

  • Understanding of complex R&D landscapes globally, ability to identify cutting-edge technologies and new directions, strong academic and biotech/pharma scientific networks.

  • Experience with QbD approach in drug product development and industrialization preferred

  • Experience with LNP and sterile injectable drug product process strongly preferred

  • Excellent organizational and communication skills

  • Strong analytical and problem-solving skills

  • Ability to work in a fast-paced environment

  • Good oral communication, management, and interpersonal skills.

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.



At Sanofi diversity and inclusion is foundational to how we operate and embedded in our Core Values. We recognize to truly tap into the richness diversity brings we must lead with inclusion and have a workplace where those differences can thrive and be leveraged to empower the lives of our colleagues, patients and customers. We respect and celebrate the diversity of our people, their backgrounds and experiences and provide equal opportunity for all.


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