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Merck KGaA, Darmstadt, Germany and its affiliates · Madison, WI

# Quality Control Senior Associate Scientist Friday-Sunday 6:30am-7:00pm

Madison, Wisconsin, United States Full-time Senior individual contributor $26-$46 per hour Research & Science 

Listed on Merck KGaA, Darmstadt, Germany and its affiliates’s official careers site. Posted October 16, 2026. Check that it is still open and apply there.
[Apply on Merck KGaA, Darmstadt, Germany and its affiliates’s careers site →](https://careers.merckgroup.com/global/en/job/MQAMKDGLOBAL304621EXTERNALENGLOBAL/Quality-Control-Senior-Associate-Scientist-Friday-Sunday-6-30am-7-00pm)

[OpenNash Jobs](https://jobs.opennash.com/) / [Merck KGaA, Darmstadt, Germany and its affiliates](https://jobs.opennash.com/companies/merck-kgaa-germany/) / Quality Control Senior Associate Scientist Friday-Sunday 6:30am-7:00pm

## Job description

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

The Madison 4th shift Scientist, Quality Associate Senior position is responsible for cGMP analytical laboratory analysis in the Quality Control department of MilliporeSigma.

### Analysis/review may consist of all/some of the following

incoming raw material analysis, in-process testing, final product analysis, method validation/qualification, cleaning, and environmental monitoring to support Quality Control activities at the Madison and Verona sites. Analysis includes techniques specific to, but not limited to: HPLC, GC, KF, DSC, TGA, IR, MS, NMR and XRPD among other tests and instruments. Other responsibilities may include initiation and review of deviations, OOS/OOT’s, change controls, and CAPA’s.

Additionally, participation in process improvement initiatives, working in a team environment, maintaining a clean and safe work area, and supporting the department in maintaining the laboratory in an audit ready state are other duties. The Scientist, Quality Associate Senior position will have a willingness to contribute to the overall success of the company by assisting in many areas beyond specific job duties.

The shift for this role is: 6:30am-7:00pm Friday-Sunday.

### Physical Attributes

Work in an analytical testing lab with hazardous and toxic chemicals.

### Who You Are

Minimum Qualifications: Bachelor’s Degree in Chemistry, Biology or other Life Science discipline. 3+ years experience in a GLP or cGMP environment.

### Preferred Qualifications

4+ years of experience in a GMP analytical manufacturing or testing laboratory Understanding of 21 CFR Part 11, 210 and 211, and ICH Q7 Experience with chemical analyses including HPLC, GC, KF, DSC, TGA, IR, MS, NMR, and/or XRPD Excellent written and verbal communication skills and good documentation practices and attention to detail Knowledge and understanding of analytical chemistry techniques Pay Range for this position: $26-$46 per hour.

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.

### RSREMD 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!

## At a glance
- Posted by the employer: Oct 16, 2026
- First seen by OpenNash: Oct 19, 2026
- Last checked: Oct 19, 2026
- Listed for: 3 days
- Location: Madison, Wisconsin, United States
- Employment type: Full-time
- Pay: $26-$46 per hour[Apply on Merck KGaA, Darmstadt, Germany and its affiliates’s careers site →](https://careers.merckgroup.com/global/en/job/MQAMKDGLOBAL304621EXTERNALENGLOBAL/Quality-Control-Senior-Associate-Scientist-Friday-Sunday-6-30am-7-00pm)

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