Process Scientist

Posted 25 Jan 2024

St. Louis, Missouri - United States

Req Id 271570


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


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.  


This role does not offer sponsorship for work authorization. External applicants must be eligible to work in the US. 


Your Role:

Working in the Contract Testing, Development, and Manufacturing Organization (CTDMO) within the Life Sciences group of MilliporeSigma; this role will serve as an individual contributor in the Process and Analytical Development organization. The role will involve working in a lab setting on process and optimization for external customers in the field of Antibody Drug Conjugates (ADC). The role will require problem solving, working within project timelines, and contributing to documentation for method qualification and transfer into GMP manufacturing and quality control organizations. 



  • Document and communicate experimental results with strong customer-facing skills 
  • Deliver data in a timely manner, ensures documents are compliant with transfer to GMP, able to make go / no-go decisions based on data. 
  • Independent management of daily activities, lead project initiatives, lead process improvement initiatives. 
  • Serves as mentor to less experienced scientists, becoming an emerging subject matter expert with ability to troubleshoot issues as they arise. 


Who You Are:

Minimum Qualification:

  • Bachelor’s Degree in Biochemistry, Chemistry, Biology, Chemical Engineering, or other Life Science Discipline with 3+ years of industry experience


  • Master’s Degree in Biochemistry, Chemistry, Biology, Chemical Engineering, or other Life Science Discipline with 1+ years of industry experience


  • Ph.D in Biochemistry, Chemistry, Biology, Chemical Engineering, or other Life Science Discipline


Preferred Qualifications:

  • Protein purification and/or Protein Conjugation Chemistry experience
  • Understanding of Design of Experiments (DoE) methodology
  • Prior experience working with customers and matrix teams
  • Working knowledge of Microsoft Office suite and digital documentation (modern data acquisition systems and electronic notebooks)
  • Experience in process development and transfer to GMP

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 and believe that it drives excellence and innovation, strengthening our ability to lead in science and technology. We are committed to creating access and opportunities for all to develop and grow at your own pace. Join us in building a culture of inclusion and belonging that impacts millions and empowers everyone to work their magic and champion human progress!
Apply now and become a part of our diverse team!


If you would like to know more about what diversity, equity, and inclusion means to us, please visit

US Equal Employment Opportunities

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.

We are committed to an equitable hiring process for candidates from a diverse range of backgrounds. As part of this commitment, applicants with disabilities may be entitled to reasonable accommodations. Please contact, if a reasonable accommodation is needed or if you otherwise need assistance to participate in the hiring process.

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