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Salary
≈ $53k – $116k per year (Estimated)
Location
In office (Saint Louis)
Seniority
Junior · 3+ years exp
Visa
No sponsorship (stated in the posting)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 13, 2026. First seen by Alion on Oct 5, 2026. Merck Group scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Merck Group is a global science and technology company headquartered in Darmstadt, Germany. The company operates across three primary business sectors: Healthcare, Life Science, and Electronics, delivering innovative medicines, laboratory solutions, and advanced materials. Through its focus on research and technology, it advances medical treatments, supports biopharmaceutical production, and drives key innovations in semiconductor manufacturing worldwide.

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

As an Associate Quality Scientist on our ADC Stability and Release team, you will safely execute cGMP-compliant analytical testing for drug substance and drug product (DS/DP) release, stability, and specialized customer requests. Reporting to the Second Shift QC Supervisor, this role works 2:00 PM - 10:30 PM in a routinely audited, high-standard laboratory environment. You will actively support regulatory and customer audits, resolve findings, and contribute to continuous improvement initiatives that boost departmental efficiency and exceed quality standards.

  • Perform timely analytical testing and other activities to support cGMP release, in-process and stability testing of drug substances and drug products
  • Provide complete and accurate records consistent with quality guidelines and good documentation practice (GDP) requirements
  • Ensure quality through adherence to GMP requirements
  • Complete the volume of work required to achieve group/departmental goals, meet deadlines, communicate the status of operations and bring deviations to the attention of the supervisor
  • Provide complete and accurate records consistent with quality guidelines and GDP requirements
  • Perform complex assays and processes requiring a higher level of skill and knowledge and identify problems and limitations of the analysis
  • Perform advanced troubleshooting utilizing technical knowledge and theory
  • Design basic experiments, evaluate data, and provide logical conclusions and solutions
  • Contribute to support functions of the lab (e.g. maintain equipment, prepare reagents, restock lab supplies, and waste disposal)
  • Shift: 2nd shift, 2:00 PM-10:30 PM, Mon - Fri

Physical Attributes:

  • Additional needs may include the use of personal protective equipment such as a respirator or chemical protective clothing for extended periods of time
  • Occasional lifting and pushing up to 40 pounds

Who You Are

Minimum Qualifications:

  • Bachelor’s degree in chemistry, biochemistry, biology or other life science discipline

OR

  • Associate degree in chemistry, biochemistry, biology, or other life science discipline with 3+ years of analytical testing experience in a cGMP laboratory environment

Preferred Qualifications:

  • Experience with antibody-drug conjugates (ADCs) and safe chemical handling protocols
  • Proficiency with lab software and enterprise systems (TrackWise, Chromeleon, LIMS, and SAP)
  • Strong working knowledge of general laboratory instrumentation, including the ability to troubleshoot equipment and technical assay issues
  • Deep understanding of ALCOA principles, Good Documentation Practices (GDP), and data integrity standards
  • Ability to work independently with high accuracy, as well as adapt flexibly within a dynamic team environment
  • Strong written and verbal communication skills

Pay rate for this position: $23.00 - $37.00 per hr.

The offer range represents the anticipated low and high end of the base pay compensation for this position. The actual compensation offered will be determined by factors such as location, level of experience, education, skills, and other job-related factors. Position may be eligible for sales or performance-based bonuses. Benefits offered by the Company include health insurance, paid time off (PTO), retirement contributions, and other perquisites. For more information click here.

What we offer: We are curious minds that come from a broad range of backgrounds, perspectives, and life experiences. We believe that this variety 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 a team that is dedicated to Sparking Discovery and Elevating Humanity!

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