• Merck & Co. (Rahway, NJ)
    …SUMMARY Primary activities include but are not limited to: The Associate Principal Scientist is a DVM and/or PhD whose primary function is to design, coordinate, ... studies, and occasionally Good Laboratory Practice (GLP) studies. The Associate Principal Scientist is the primary clinical study team leader and has overall… more
    HireLifeScience (12/18/25)
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  • Merck & Co. (Rahway, NJ)
    Job Description Associate Principal Scientist - Continuous & Expression Technologies in Large Molecule Downstream Processing - The Continuous & Expression ... vaccine arenas. Specifically, CET is seeking an Associate Principal Scientist specializing in bioprocessing purification technologies for multiple therapeutic… more
    HireLifeScience (12/20/25)
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  • Merck & Co. (Boston, MA)
    Scientist has primary responsibility for protocol development and medical/ scientific oversight of clinical research studies involving investigational or marketed ... clinical development and external leadership through interaction with key scientific leaders.Specifically, the Senior Principal Scientist is responsible… more
    HireLifeScience (12/02/25)
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  • Merck & Co. (Rahway, NJ)
    …clinical endpoints across immune-mediated and inflammatory diseases.The role requires a scientist who leads through scientific expertise, decision-focused logic, ... areas at our Company's Research laboratories. We are seeking a highly-motivated Principal Scientist to serve as an Immunology Biomarker Lead who will partner across… more
    HireLifeScience (12/20/25)
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  • Merck & Co. (Rahway, NJ)
    …next medical breakthroughs. We are looking for a collaborative, self-motivated - scientific leader with expertise in downstream bioprocessing to join Biologics ... Process Research & Development (BPR&D) as a Senior Principal Scientist .BPR&D within Research Laboratories is committed to rapidly delivering diverse biotherapeutics… more
    HireLifeScience (12/18/25)
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  • Merck & Co. (MA)
    Job DescriptionThe Senior Director (Sr. Principal Scientist ) has primary responsibility for the strategic planning and directing clinical research activities ... company and competitors' drugs and internal and external expert opinion on scientific questions relevant to his/her areas of responsibility.The Senior Director is… more
    HireLifeScience (12/20/25)
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  • Merck & Co. (Rahway, NJ)
    Job DescriptionOphthalmology Clinical Scientist :Job SummaryThis position leads the scientific planning and execution of one or more clinical trials or ... have the opportunity to demonstrate your leadership, technical skills, and scientific acumen as part of a global, cross functional team.Job… more
    HireLifeScience (12/16/25)
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  • Merck & Co. (Rahway, NJ)
    …technologies into the fabric of our Company's process development culture. This Senior Scientist role is a scientific position tasked with solving complex ... are as diverse as the team developing them, and in this Senior Scientist role, the chosen candidate will leverage fundamental process modeling, machine learning, and… more
    HireLifeScience (12/11/25)
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  • Merck & Co. (Rahway, NJ)
    …reported outcomes, epidemiological studies and economic modeling.The Associate Principal Scientist also works closely with Product Development Teams, Franchise ... throughout our company and to external customers.Responsible for maintaining awareness of scientific developments within his/her areas of expertise, both in terms of… more
    HireLifeScience (12/17/25)
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  • Merck & Co. (Rahway, NJ)
    Job DescriptionThe Clinical Director (Principal Scientist ) has primary responsibility for the strategic planning and directing clinical research activities involving ... company and competitors' drugs and internal and external expert opinion on scientific questions relevant to his/her areas of responsibility.The Clinical Director is… more
    HireLifeScience (12/17/25)
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