Associate Quality Scientist

Posted 01 Apr 2024

St. Louis, Missouri - United States

Req Id 272251


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: 

Within the Life Sciences division of Millipore Sigma (CTDMO), the Associate Scientist (QC) position will perform quality control activities in support of GMP products at our Cherokee site. The position is within the Analytical Testing team. The job responsibilities include analytical testing and other activities in support of GMP manufacturing. The position will report to Rashad Alhachemi (QC Supervisor).


Responsibilities include:

  • Safely perform operations to meet quality expectations
  • Perform in-process, release and stability testing of antibody-drug conjugates & Bio-organics in accordance with applicable cGMP requirements
  • Clean-up equipment and working areas during and after operations
  • Ensure quality through adherence to cGMP requirements
  • Promptly deliver data, adhering to Data Integrity & ALCOA+ principles for proper documentation
  • Complete work required to achieve group/departmental goals and meet deadlines
  • Contribute to support functions of the lab (e.g., maintain equipment, prepare reagents, restock lab supplies, waste disposal)
  • Communicate the status of operations and bring deviations to the attention of supervisor
  • Provide complete and accurate records consistent with quality guidelines and GDP requirements
  • Interface across department as needed
  • Participate as needed in quality audits (FDA/Customer)
  • Review and revise operating procedures (SOP) as needed
  • Identify opportunities for process improvement
  • Participate in process improvements under the guidance of a supervisor or scientist
  • Take the necessary action to resolve any unsafe conditions
  • Train personnel and act as a technical consultant as needed


Who You Are:

Minimum Qualifications:

  • Bachelor’s Degree in Chemistry, Biochemistry, Biology, or other life science discipline


  • Associate’s Degree in Chemistry, Biochemistry, Biology, or other life science discipline with 3+ years of experience working in a cGMP laboratory environment


 Preferred Qualifications:

  • General understanding of multiple techniques includes HPLC/UPLC, icIEF, Solo-VPE, CGE, SEC, ELISA, and LC-MS
  • General understanding on Monoclonal antibodies (mAb) and antibody-drug conjugates
  • Understanding on Chromeleon, SAP & LIMS


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.

North America Disclosure

If you are a resident of California, Colorado, New York, or Washington, 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.

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