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Senior Associate Scientists - Process Development

Merck Group
St. Louis, United Statesfull_timeVerifiedPosted 14 Jul 2026

About the role

 

Work Your Magic with us! Start your next chapter and join EMD Serono.

 

Ready to explore, break barriers, and discover more? We know you’ve got big plans – so do we! Our colleagues across the globe love innovating with science and technology to enrich people’s lives with our solutions in Healthcare, Life Science, and Electronics. Together, we dream big and are passionate about caring for our rich mix of people, customers, patients, and planet. That's why we are always looking for curious minds that see themselves imagining the unimaginable with us.  

 

United As One for Patients, our purpose in Healthcare is to help create, improve and prolong lives. We develop medicines, intelligent devices and innovative technologies in therapeutic areas such as Oncology, Neurology and Fertility. Our teams work together across 6 continents with passion and relentless curiosity in order to help patients at every stage of life. Joining our Healthcare team is becoming part of a diverse, inclusive and flexible working culture, presenting great opportunities for personal development and career advancement across the globe.

 

Position: Senior Associate Scientists – Process Development

 

Employer:      Sigma-Aldrich Manufacturing LLC              

400 Summit Drive

Burlington, Massachusetts 01803

 

Job Site:         3300 South Second Street 

St. Louis, MO 63118 

 

Responsibilities:

  1. Communicate experimental results according to company policy; 
  1. Deliver data in a timely manner; 
  1. Contribute to process improvement initiatives within team; 
  1. Execute and troubleshoot experiments with guidance from subject matter experts; 
  1. Document and communicate experimental results and contribute to manufacturing process development; 
  1. Deliver data in a timely manner and ensure documents are compliant with transfer to GMP; and 
  1. Independently manage daily activities and process improvements. 

 

Requirements & Qualifications:

Employer requires candidate to have a Bachelor’s degree in Chemistry, Pharmaceutical Science, or a closely related field and two (2) years of work experience as a Chemist or closely 

related occupation. Candidate must also have the following: 1) Demonstrated knowledge of separation science including the operation and data interpretation of UPLC, RP-HPLC, SEC, HIC and/or IEX gained through two (2) years of work experience; 2) Demonstrated ability with protein analytics and spectroscopy, including UV and slope gained through two (2) years of work experience; 3) Demonstrated knowledge of modern data acquisition systems and electronic notebooks gained through two (2) years of work experience; and 4) Demonstrated knowledge of method development for GMP Analytics gained through two (2) years of work experience. All years of experience may be gained concurrently.  Salary: Seventy-Nine Thousand Four Hundred Fifty-Six to Ninety-Nine Thousand Four Hundred Fifty-Six dollars per year.

 

This position is eligible for Sigma-Aldrich Manufacturing LLC’s Employee Referral Program.

 

Applicants can send resumes to Sigma-Aldrich Manufacturing LLC, 400 Summit Drive, Burlington, Massachusetts 01803 (Attn: Req#301609) or apply online at https://careers.emdgroup.com

 

Compensation is based on experience, location, and other factors.  We offer generous benefits packages: https://careers.emdgroup.com/us/en/benefits.

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Company

Merck Group

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