Merck Associate Principal Scientist, Merck Animal Health Formulation Group in Rahway, New Jersey

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’s Animal Health (MAH) Division works to improve the health of animals around the world through collaborative partnerships and a deep sense of responsibility towards our customers, consumers, animals, society, and planet. This team of energetic, independent thinkers offers one of the industry’s most innovative portfolios of products, services, and technologies that serve to prevent, treat, and control diseases across all major farm and companion animal species both domestically and internationally.

The Associate Principal Scientist within the Merck Animal Health Formulation Group is responsible for the development of a variety of different dosage forms (oral, topical, injectable, implant, etc) and related processes across all stages of development. The successful candidate will be a self-motivated scientist with an outstanding scientific track-record and passion for pharmaceutical product development. This individual will use innovative approaches to support both early and late stage development candidates including screening, design and development of formulations defined by robust drug product compositions and processes.

In addition, the individual will lead pipeline and innovation teams. Other responsibilities include statistical experimental design & data analysis, authoring of technical reports, regulatory submissions and patent applications. Active participation on formulation development teams while interfacing with other functional areas (e.g. project management, manufacturing, quality, regulatory affairs) and external partners to drive project milestones will be required. The candidate should have strong communication skills, good interpersonal and collaboration skills, an ability to multitask and a strong desire to learn and contribute.



  • A PhD. in Chemical Engineering, Pharmaceutics, Material Science or a related discipline with a minimum of four (4) years of pharmaceutical formulation development experience, OR a Master's Degree in Chemical Engineering, Pharmaceutics, Material Science or a related discipline with a minimum of eight (8) years of pharmaceutical formulation development experience.

  • Experience developing a variety of formulations and processes.

  • Proven ability to author regulatory filings.

  • Demonstrated excellence in independently designing and conducting experiments and analyzing data through use of QbD principles, DOEs, and statistical evaluation.

Preferred Experience and Skills:

  • Experience in Animal Health.

  • Evidence of external influence demonstrated through contributions to the scientific literature (patents, publications, presentations).

  • Proven ability to identify and develop innovative ideas.

  • Strong verbal and written communication skills.

  • Hands-on experience in pharmaceutical pilot plants.

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.

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Visa sponsorship is not available for this position.

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Job Preclinical Dev Generic

Title: Associate Principal Scientist, Merck Animal Health Formulation Group

Primary Location: NA-US-NJ-Rahway

Requisition ID: PRE000724