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Associate Principal Scientist


NJ-Kenilworth, NJ
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Job Details

Job Title: Associate Principal Scientist  - BIO004862


Merck & Co., Inc. Kenilworth, N.J., U.S.A. known as Merck in the United States and Canada, is a global health care leader with a diversified portfolio of prescription medicines, vaccines and animal health products. The difference between potential and achievement lies in the spark that fuels innovation and inventiveness; this is the space where Merck has codified its legacy for over a century. Merck’s success is backed by ethical integrity, forward momentum, and an inspiring mission to achieve new milestones in global healthcare.

Merck is on a quest for cures and is committed to being the world’s premier, most research-intensive biopharmaceutical company. Today, we’re doubling down on this goal. Merck Research Laboratories is a true scientific research facility of tomorrow, and will take Merck’s leading discovery capabilities and world-class small molecule and biologics R&D expertise to create breakthrough science that radically changes the way we approach serious diseases. 

We are seeking a motivated and experienced Scientist to join the Merck Sterile Formulation Sciences unit in Kenilworth, NJ.  In this laboratory-based position, the candidate will be responsible for biophysical and biochemical characterization of biotherapeutics, such as complex proteins,  monoclonal antibodies, and derived modalities  



  • PhD with a minimum of 4 years’ experience in Pharmaceutical Sciences, Biochemistry, Bioengineering, Chemical Engineering, Biophysical Chemistry or related fields of experience OR MS with a minimum of 8 years of experience in Pharmaceutical Sciences, Biochemistry, Bioengineering, Biophysical Chemistry, Chemical Engineering, or related fields.


  • Direct experience with biophysical characterization complex proteins, monoclonal antibodies (e.g., CD, FTIR, DLS, DSC, etc.)
  • Knowledge of biochemical characterization assays (e.g,. chromatography assays)
  • Strong laboratory and experimental skills, data analysis and verbal communication skills, ability to multitask, collaborate and prioritize.


  • Experience with drug product formulation and manufacturing processes development for therapeutic proteins, process scale-up and optimization. 
  • Knowledge and experience with MS techniques including HDX
  • Knowledge and experience with analytical ultracentrifugation
  • Track record of peer-reviewed publications and presentations
  • Experience as scientific mentor and/or team leader

Your role at Merck is integral to helping the world meet new breakthroughs that affect generations to come, and we’re counting on your skills and inventiveness to help make meaningful contributions to global medical advancement. At Merck, we’re inventing for life. 


If you need an accommodation for the application process please email us at


Search Firm Representatives Please Read Carefully: 

Merck & Co., Inc. is not accepting unsolicited assistance from search firms for this employment opportunity.  Please, no phone calls or emails.  All resumes submitted by search firms to any employee at Merck via email, the Internet or in any form and/or method without a valid written search agreement in place for this position will be deemed the sole property of Merck.  No fee will be paid in the event the candidate is hired by Merck as a result of the referral or through other means.


For more information about personal rights under Equal Employment Opportunity, visit:




Job Biologics, Vaccines, Analytical Formulat

Primary Location NA-US-NJ-Kenilworth

Other Locations 

Employee Status Regular

Number Of Openings 1

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