• Associate Principal Scientist (hiPSC…

    Bayer (Cambridge, MA)
    …and diverse minds to make a real difference, there's only one choice.** **Associate Principal Scientist (hiPSC Expert CVRI)** Bayer has an opening for an ... Associate Principal Scientist to join our Cardiovascular-Renal In Vitro Research group based at the Bayer Innovation Campus in Kendall Square, Cambridge, MA,… more
    Bayer (11/06/25)
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  • Senior Principal Scientist , ADC…

    Bristol Myers Squibb (Cambridge, MA)
    …play a pivotal role in advancing next-generation oncology therapeutics. As a Senior Principal Scientist , you will lead innovative projects from concept to ... linkers is preferred. **Position Responsibilities:** In the role as a Senior Principal Scientist within the ADC Discovery Biology team, the ideal candidate will:… more
    Bristol Myers Squibb (10/23/25)
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  • Principal Scientist

    ZOLL Medical Corporation (Chelmsford, MA)
    …our team. It's a great time to be a part of ZOLL!Job SummaryThe Principal Scientist is responsible for planning, managing, analyzing, and presenting results of ... and clinical experiments and studies in a largely self-directed manner. The Principal Scientist will serve as a mentor to Research Scientists and will assist… more
    ZOLL Medical Corporation (10/07/25)
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  • Senior Principal Scientist

    Merck (Boston, MA)
    **Job Description** **Senior Principal Scientist Translational Medicine, Immunology** Translational Medicine in our Research & Development Division is ... Therapeutic Area Lead in Translational Medicine. **Primary responsibilities for the Senior Principal Scientist include the following:** + Key member of an… more
    Merck (11/12/25)
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  • Senior Principal Scientist

    Bristol Myers Squibb (Cambridge, MA)
    …lives. Read more: careers.bms.com/working-with-us . A position is available for an Sr Principal / Principal Scientist in Discovery Toxicology (DT) within the ... sciences to ensure that quality drug candidates are advanced into development. The DT scientist is expected to serve as a core discovery team member and to provide… more
    Bristol Myers Squibb (11/16/25)
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  • Analytical Principal Scientist

    Sanofi Group (Cambridge, MA)
    **Job Title** : Analytical Principal Scientist (Analytical team lead) **Location:** Cambridge, MA **About the Job** Are you ready to shape the future of ... seeking a highly motivated individual to join our analytical group as a principal scientist . The group is part of the synthetic platform within Global CMC… more
    Sanofi Group (11/01/25)
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  • Chromatography Principal Scientist

    Sanofi Group (Cambridge, MA)
    **Job Title:** Chromatography Principal Scientist **Location:** Cambridge, MA **About the Job** Are you ready to shape the future of medicine? The race is on to ... highly motivated individual to join our analytical group as a **Chromatography Principal Scientist ** . The group is part of the synthetic platform within Global… more
    Sanofi Group (11/01/25)
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  • Principal Scientist - Biomarker…

    Merck (Boston, MA)
    …MA **Department:** Biology-Discovery / Neuroscience Our Company's Neuroscience is recruiting a Principal Scientist in Boston/Cambridge, MA to develop and oversee ... discovery and translational strategies. We are seeking a highly motivated and experienced scientist to join our Neuroscience team in a role that will drive biomarker… more
    Merck (11/01/25)
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  • Senior Principal Scientist

    Schrodinger (Cambridge, MA)
    We're looking to hire a **Senior Principal Scientist ** or **Director of Medicinal Chemistry** to join us in our mission to discover and develop drugs that ... candidate's experience and qualifications. **Who will love this job:** + A passionate scientist with a robust background in structure-based drug design + A team… more
    Schrodinger (10/11/25)
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  • Principal Scientist I / II,…

    Schrodinger (Cambridge, MA)
    We're looking to hire a ** Principal Scientist in Medicinal Chemistry** to join us in our mission to discover and develop drugs that improve human health through ... candidate's experience and qualifications. **Who will love this job:** + A passionate scientist with a robust background in structure-based drug design + A team… more
    Schrodinger (10/11/25)
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  • Principal Scientist , Clinical…

    Merck (Boston, MA)
    **Job Description** The **Clinical Director ( Principal Scientist )** has primary responsibility for the strategic planning and directing clinical research ... activities involving investigational compounds in Immunology. With a focus on late-stage development, the Clinical Director will manage the entire cycle of clinical development, including determination of appropriate disease indications to pursue and… more
    Merck (11/15/25)
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  • Senior Principal Scientist

    Merck (Boston, MA)
    **Job Description** The Senior Director (Sr. Principal Scientist ) has primary responsibility for the strategic planning and directing clinical research ... activities involving investigational compounds in Immunology. With a focus on late-stage development, the Senior Clinical Director will manage the entire cycle of clinical development, including determination of appropriate disease indications to pursue and… more
    Merck (11/08/25)
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  • Associate Principal Scientist

    Merck (Boston, MA)
    **Job Description** We are seeking an Associate Principal Scientist to contribute to a pivotal role in our Inventory and Data Management team in our company ... Biomarker Operations group within Translational Medicine. The mission of this role is to design, build, and deploy the digital infrastructure that manages our biomarker specimen assets. You will transform a complex landscape of biomarker specimen data into a… more
    Merck (11/08/25)
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  • Principal Scientist , Computational…

    Frontier Medicines (Boston, MA)
    …Medicines is seeking a highly motivated individual to fill the position of Principal Scientist , Computational Chemistry. The successful candidate will play a ... leading role in developing medicinal chemistry optimization strategies for key drug discovery programs. This individual will review experimental results, develop SAR hypotheses for activity, selectivity, and properties, and make design suggestions to improve… more
    Frontier Medicines (11/04/25)
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  • Principal Scientist , In Vivo…

    Bristol Myers Squibb (Cambridge, MA)
    …innovation, and business opportunities. **Position Responsibilities** In the role as Principal Scientist within Oncology Discovery Pharmacology and In vivo ... Biology, the ideal candidate will: + Function as Pharmacology lead as well as provide support for T cell engager drug discovery programs. Working closely with project teams and key stakeholders, lead the development of in vivo strategies from target concept to… more
    Bristol Myers Squibb (11/15/25)
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  • Computational Biologist, Principal

    Bayer (Cambridge, MA)
    …to make a real difference, there's only one choice.** **Computational Biologist, Principal Scientist - CVRI** The Computational Biologist is responsible for ... the evaluation of therapeutic hypotheses via integration and quantitative analyses of internal & external multi-omics data sources (DNA, RNA, proteomics, metabolomics, imaging, etc) for CardioVascular, renal and immunology Therapeutic Areas. Significant… more
    Bayer (11/15/25)
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  • Principal Scientist - Experiment…

    Sanofi Group (Cambridge, MA)
    **Job Title:** Principal Scientist - Experiment Disease Modeling **Location** : Cambridge, MA **About the Job** Join the engine of Sanofi's mission - where deep ... immunoscience meets bold, AI-powered research. In R&D, you'll drive breakthroughs that could turn the impossible into possible for millions. The Target, Disease and Systems Biology (TDSB) function within Sanofi Research brings together a talented and… more
    Sanofi Group (11/12/25)
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  • Associate Principal Scientist

    dsm-firmenich (Lexington, MA)
    **Associate Principal Scientist , Fermentation** **Location:** Lexington, MA, USA Are you passionate about advancing fermentation science and making a global ... impact? Join our purpose-driven team at dsm-firmenich, where innovation, diversity, and sustainability are at the heart of everything we do. We are continuing to build out our best‑in‑class fermentation capability at our Boston, MA Biotechnology Research and… more
    dsm-firmenich (11/11/25)
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  • Principal Applied Scientist

    Amazon (Boston, MA)
    …fine-tuning, and Applied Machine Learning within professional service contexts. As a principal scientist , you will be the bridge between scientific advancement, ... Description As a Principal Applied Scientist on our Agentic AI Professional Services Experience team, you will serve as the foremost technical authority and… more
    Amazon (10/28/25)
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  • Principal Applied Scientist , AGI…

    Amazon (Boston, MA)
    Description As a Principal Scientist within the Artificial General Intelligence (AGI) organization, you are a trusted part of the technical leadership. You bring ... to an executive level decision maker. Mentors and trains the research scientist community on complex technical issues. Excellent written and spoken communication… more
    Amazon (10/30/25)
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