Sanofi

Sanofi

Posted via Workday

Scientist / Engineer

Apply by Jan 16, 2027

Posted Oct 16, 2026

Role at a glance

Job function
Engineering & R&D Biotechnology & Pharmaceutical R&D
Salary
Not yet verified Check the description for pay details; an amount or pay period has not been verified.
Location
Waltham, Massachusetts, United States
Work arrangement
Hybrid
Employment
Full-time

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Role Summary

AI-generated

The Scientist / Engineer works on formulation and process development for mRNA-containing lipid nanoparticle (LNP) drug products. The role develops and characterizes new LNP formulations and supports their transfer into CMC development.

What You'll Do

  • Optimize LNP formulations and develop or improve formulation production processes.
  • Design and conduct small-scale formulation experiments to assess developability, and compile developability packages.
  • Develop initial formulation processes and arrange studies to assess formulation stability.
  • Perform in-process drug product characterization and analytical testing to characterize formulations and troubleshoot issues.
  • Document studies, tabulate and analyze characterization data, and present progress and results to scientific colleagues.
  • Coordinate with Research and Analytical Sciences and support the setup of characterization and process equipment.

Generated from the employer's posting. Verify important details before applying.

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Qualifications

Strong scientific understanding of formulation and process development in a pharmaceutical-related environment; ability to independently design experiments, analyze complex datasets, and recommend development strategies; strong organizational and communication skills with the ability to work and communicate cross-functionally.

Preferred

  • General understanding of common LNP production process and analytical characterization techniques is desirable; prior experience running...

Original job description

Content provided by the employer

Job title: Scientist / Engineer

  • Location: Waltham, MA



About the job  


The USA-mRNA LNP Drug Product Team supports the Formulation and Process Development group in Waltham, MA, and reports to the DP Group Lab Team Lead. We are seeking an individual with process development and/or formulation and good laboratory skills and scientific understanding of formulation development experience to contribute to bringing innovative new vaccines to the market.  

 

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 and are supported and enhanced through our diverse portfolio of medical device and diagnostic products. Together, we chase the miracles of science to improve people’s lives.



Main Responsibilities:

 

  • Lead the formulation optimization and/or process understanding of mRNA-containing lipid nanoparticle (LNP) formulation and production processes encompassing a wide range of different mRNAs and novel lipids. 
  • Work closely with the Research team in transferring and accelerating new LNP composition formulation into CMC development. 
  • Design and conduct small-scale multi-component LNP formulating experiments to understand the developability of new LNP formulations. 
  • Lead the compilation of Developability package for new LNP formulations. 
  • Develop initial formulation process for new LNP formulations.  
  • Design and arrange studies to assess the stability of new LNP formulations.  
  • Performing in-process drug product characterization. 
  • Perform complex and routine analytical methods to characterize new formulations and to troubleshoot as needed. 
  • Coordinate/Suggest/Introduce advanced LNP characterization analysis with the Analytical Sciences department 
  • Support the Drug Product team to troubleshoot technical, formulation, and processing issues 
  • Document development study set up, results, and conclusions within an electronic lab notebook 
  • Tabulating and analyzing in-process and post-process characterization data 
  • Summarize and present study progress, generated data, and analysis to other scientific team members and larger group meetings 
  • Supporting the growth and expansion goals by setting up and installing new characterization and process equipment into new laboratories 

 

About you

 

Basic Qualifications

 

  • Bachelor's in Engineering, Pharmaceutical Sciences, or Chemistry related science discipline, with 5 or more years of professional experience in formulation and/or process development 
  • Master's in engineering, Pharmaceutical Sciences, or Chemistry related science discipline, with 3 or more years of professional experience in formulation and/or process development. Internships and co-ops experience will be considered
  • Ph.D. in Engineering, Pharmaceutical Sciences, or Chemistry related science discipline, with a minimum of 6 months of experience in formulation and/or process development. Academic experience will be considered

 

Key Skills, Abilities, and Competencies

 

  • Strong scientific understanding of formulation and process development in pharmaceutical related environment 
  • Ability to independently design experiments, analyze complex datasets, and recommend development strategies
  • Strong organizational and communication skills with the ability to work and communicate cross-functionally 
  • General understanding of common LNP production process and analytical characterization techniques is desirable, prior experience running these techniques is a plus 
  • Desire to work in a fast-paced environment 
  • Ability to be flexible and responsive to change, be a results-driven problem solver  

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 US Services and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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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Pursue progress, discover extraordinary

Better is out there. Better medications, better outcomes, better science. But progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. So, let’s be those people.

Sanofi US endeavours to make our career center accessible to any and all users. If you are experiencing difficulty and need assistance applying online, please call 1-866-SANOFI2 (1-866-726-6342) or click here



US and Puerto Rico Residents Only

Sanofi Inc. and its U.S. affiliates are Equal Opportunity employers committed to a culturally inclusive 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.

North America Applicants Only

The salary range for this position is:

$85.500,00 - $123.500,00

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

About the company

Sanofi

Large Enterprise

Sanofi is a global healthcare leader committed to promoting health and well-being through the development of innovative medicines, vaccines, and therapeutic solutions. With a diverse portfolio that spans multiple therapeutic areas, including diabetes, oncology, and immunology, Sanofi is dedicated to addressing pressing health challenges and improving patient outcomes worldwide. Headquartered in France, the company employs over 100,000 individuals across more than 100 countries, fostering a culture of collaboration and scientific excellence to drive advancements in healthcare.