• Senior Principal Scientist

    Merck (Rahway, NJ)
    **Job Description** The Senior Director ( Sr . Principal Scientist ) has primary responsibility for the strategic planning and directing clinical research ... investigational compounds in Immunology. With a focus on late-stage development, the Senior Clinical Director will manage the entire cycle of clinical development,… more
    Merck (12/02/25)
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  • Senior Principal Scientist

    Merck (Rahway, NJ)
    …downstream bioprocessing to join Biologics Process Research & Development (BPR&D) as a Senior Principal Scientist . BPR&D within Research Laboratories is ... biotherapeutics to patients by efficiently developing innovative and robust manufacturing processes and technologies. To achieve our goals, we...the scientific community to influence the field. As a Senior Principal Scientist , you will… more
    Merck (12/18/25)
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  • Senior Principal Scientist

    Merck (Rahway, NJ)
    **Job Description** The Microbial Process Operations (MPO) Team is seeking a Senior Principal Scientist with expertise in microbial process development for ... lifecycle of enzyme manufacturing from discovery to commercial supply. As a senior member of the team, the applicant will also contribute to setting and… more
    Merck (12/06/25)
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  • Associate Principal Scientist

    Merck (Rahway, NJ)
    **Job Description** **Associate Principal Scientist - Continuous & Expression Technologies in Large Molecule Downstream Processing** The Continuous & Expression ... biologics and vaccine arenas. Specifically, CET is seeking an Associate Principal Scientist specializing in bioprocessing purification technologies for multiple… more
    Merck (12/20/25)
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  • Senior Principal Scientist

    Merck (Rahway, NJ)
    …methodologies and tools to enable the discovery, development, regulatory approval, manufacturing , and marketing of medical drugs and vaccines for the benefit ... daily in-person attendance is required for, field-based positions; facility-based, manufacturing -based, or research-based positions where the work to be performed… more
    Merck (12/02/25)
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  • Principal Scientist , Complex Fluids…

    Vantage Specialty Chemicals (Warren, NJ)
    …Summary** Vantage Specialty Chemicals is seeking a highly skilled and results-driven ** Principal Scientist , Complex Fluids & Surfaces** to lead a critical ... and industrial markets, including Personal Care, Food, and Surface Treatment. The Principal Scientist is a recognized technical authority responsible for… more
    Vantage Specialty Chemicals (12/17/25)
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  • Principal Scientist , Drug Discovery

    Merck (Rahway, NJ)
    **Job Description** The Principal Scientist , Drug Discovery in our Research and Development Department will be responsible for identifying new molecular entities ... up to the development stage. She/he/they will interface with researchers and senior management throughout the organization as well as external partners and operate… more
    Merck (12/18/25)
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  • Principal Scientist , Clinical…

    Merck (Rahway, NJ)
    **Job Description** The **Clinical Director ( Principal Scientist )** has primary responsibility for the strategic planning and directing clinical research ... cross-functional group of experts in commercialization, regulatory affairs, statistics, and manufacturing to manage clinical development projects + Assist the … more
    Merck (12/17/25)
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  • Principal Scientist , Drug/Device…

    Merck (Rahway, NJ)
    …in accordance with regulatory, company, and customer requirements. ** Principal Responsibilities** + Lead/Support continuous improvement initiatives for design ... without formal authority; ability to influence and present ideas to senior leadership. + Demonstrated experience leading and supporting change initiatives, with… more
    Merck (12/05/25)
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  • Senior Director, Clinical Research,…

    Merck (Rahway, NJ)
    **Job Description** The Senior Director ( Sr . Principal Scientist ) has primary responsibility for the planning and directing clinical research activities ... span all phases of clinical development (pre-clinical to post-licensure). The Senior Director will manage the entire cycle of late-stage clinical development… more
    Merck (12/02/25)
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