Sr. Process Scientist - Lipid Nanoparticles

Posted 02 May 2022

St. Louis, Missouri - United States

Req Id 246812



A career with MilliporeSigma is an ongoing journey of discovery: our 60,300 people are shaping how the world lives, works and plays through next generation advancements in Healthcare, Life Science and Electronics. For more than 350 years and across the world we have passionately pursued our curiosity to find novel and vibrant ways of enhancing the lives of others. MilliporeSigma is a business of Merck KGaA, Darmstadt, Germany.

Your Role: 
MilliporeSigma has an opening as a Sr. Process Scientist – Lipid Nanoparticles at our St. Louis site.  You will be reporting to the Manager of Advanced Drug Delivery in the contract manufacturing sector.  As the Sr. Process Scientist, you will work in the Process and Analytical Development department to develop and implement process unit operations focused on the production of lipid nanoparticles (LNPs). 


  • Work independently as an individual contributor with minimal supervision
  • Lead process development efforts for customer based LNP projects
  • Lead customer project efforts assuring deliverables are on quality and on time
  • Interact with customers throughout project lifetime

Who You Are: 

Minimum Qualifications:

  • Bachelor’s Degree in Engineering, Chemistry, Biochemistry, Biology or other scientific field with 6+ years laboratory experience


  • Master’s Degree in Engineering, Chemistry, Biochemistry, Biology or other scientific field with 2+ years’ laboratory experience


  • PhD in Engineering, Chemistry, Biochemistry, Biology or other scientific field with post-doc or 1+ years’ laboratory experience


Preferred Qualifications:

  • Experience with process development
  • Experience with liquid phase mixing processes
  • Hands-on experience with filtration technology (ultrafiltration / diafiltration / TFF)
  • Experience working with lipids, liposomes / LNPs
  • Experience working with nucleic acids and/or bioprocess techniques
  • Experience working with digital tools such as chromatography data systems and electronic notebooks


What we offer: We are curious minds that come from a broad range of backgrounds, perspectives, and life experiences.
We celebrate all dimensions of diversity. We believe that it drives excellence, innovation, and human progress. We care about our customers, patients, and our rich mix of people. This diversity strengthens our ability to lead in science and technology.
We are committed to creating access and opportunities for all and empower you to fulfil your ambitions. Our diverse businesses offer various career moves to seek new horizons.
Join us in building a culture of inclusion and belonging that impacts millions and empowers everyone to bring their curiosity to life!


Curious? Chat with one of our curious minds on our interactive Q&A platform and catch a glimpse of our people, values, and culture. You can also apply and find more information at
If you would like to know more about what diversity, equity, and inclusion means to us, please visit


If you are a resident of a NYC, Connecticut or Colorado, you are eligible to receive additional information about the compensation and benefits, which we will provide upon request. You may contact 855 444 5678 from 8:00am to 5:30pm ET Monday through Friday, for assistance.


The Company is an Equal Employment Opportunity employer. No employee or applicant for employment will be discriminated against on the basis of race, color, religion, age, sex, sexual orientation, national origin, ancestry, disability, military or veteran status, genetic information, gender identity, transgender status, marital status, or any other classification protected by applicable federal, state, or local law. This policy of Equal Employment Opportunity applies to all policies and programs relating to recruitment and hiring, promotion, compensation, benefits, discipline, termination, and all other terms and conditions of employment. Any applicant or employee who believes they have been discriminated against by the Company or anyone acting on behalf of the Company must report any concerns to their Human Resources Business Partner, Legal, or Compliance immediately. The Company will not retaliate against any individual because they made a good faith report of discrimination.


As an employee of the Company, you will be required to comply with all of the Company’s COVID-19 safety protocols and policies. The organization has currently suspended enforcement of its COVID-19 Vaccination Policy, but that policy may be reinstated by the Company in its discretion.

Apply Now