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Associate Principal Scientist, Sterile Product Development

Merck
September 04, 2026
Full-time
Remote friendly (Rahway, NJ)
Worldwide
Clinical Research and Development
Role: Associate Principal Scientist leading biologics parenteral product development, including formulation, process scale-up, and regulatory support across multiple modalities (small molecules, peptides, proteins, ADCs, biologics). Responsibilities: oversee experimental design and execution for early and late-stage candidates, develop robust drug product compositions, support tech transfers, and contribute to regulatory filings. Provide technical leadership within multidisciplinary teams, collaborate with external manufacturing sites, and drive innovation and strategic initiatives. Requirements: Ph.D. in Chemical/Biomedical/Pharmaceutical Sciences or related with at least 4 years (Ph.D.) or 8 years (B.S./M.S.) industry experience; expertise in biologics process development, formulation science, and drug delivery; proven record of scientific contributions, patents, or publications. Preferred: deep knowledge in surface/colloid science, particle engineering, or high-concentration formulations; experience leading enterprise-level development projects, mentoring, and addressing manufacturing challenges through novel technologies. High-Value: biologics, late-stage development, sterile drug product formulation, process scale-up, regulatory filings, and external tech transfer. WorkSetup: not specified; travel expected at approximately 10%, with location and other arrangements likely to be flexible.