• Merck & Co. (Boston, MA)
    …Policy to ensure timely and equitable access to our medicines.The Senior Principal Scientist has primary responsibility for protocol development and ... leadership through interaction with key scientific leaders.Specifically, the Senior Principal Scientist is responsible for:Planning clinical trials (design,… more
    HireLifeScience (12/02/25)
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  • Merck & Co. (South San Francisco, CA)
    …seeking an exceptional and experienced scientist in the role of Associate Principal Scientist in the South San Francisco Discovery Biologics group. The ... qualified candidate will be a scientist with a breadth and depth of expertise in...core mission. What you will do: Propose and lead technology development initiatives to further optimize existing in vivo… more
    HireLifeScience (12/12/25)
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  • Merck & Co. (Rahway, NJ)
    Job DescriptionThe Microbial Process Operations (MPO) Team is seeking a Senior Principal Scientist with expertise in microbial process development for the ... and technology transfer from R&D to pilot and commercial manufacturing scales.Demonstrated success in leading projects or programs and being leveraged as… more
    HireLifeScience (12/06/25)
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  • Merck & Co. (Rahway, NJ)
    Job DescriptionAssociate Principal Scientist - Device Technical and Engineering Lead (Associate Director Equivalent) Our company's Device Product & Process ... on programs they lead to ensure high quality products and robust manufacturing processes.-- This position interacts extensively with subject-matter experts on the… more
    HireLifeScience (11/18/25)
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  • Merck & Co. (Rahway, NJ)
    Job DescriptionThe Principal Scientist , Drug Discovery in our Research and Development Department will be responsible for identifying new molecular entities and ... Safety & Toxicology).- The position will report directly to the Distinguished Scientist and Global Head, our Company's Research & Development Liaison and Discovery… more
    HireLifeScience (12/04/25)
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  • Merck & Co. (North Wales, PA)
    … and applying rigorous scientific and ethical standards.The Senior Director (Senior Principal Scientist ) has primary responsibility for the planning and ... group of experts in commercialization, regulatory affairs, statistics, and manufacturing to manage clinical development projects; and assist the Vice… more
    HireLifeScience (12/02/25)
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  • Principal Scientist , Process…

    Herbalife (Torrance, CA)
    Principal Scientist , Process & Manufacturing Excellence Category: Research & Development Position Type: Regular Full-Time External ID: 18351 Location: ... We are seeking a strategic, highly experienced and innovative Principal Scientist to lead process and manufacturing excellence initiatives within our dynamic… more
    Herbalife (12/13/25)
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  • Principal Research Scientist

    Leidos (San Diego, CA)
    …Information and Data Science Division is seeking a Principal Research Scientist - Computational Design and Manufacturing , to help lead strategic solution ... **Description** Are you a motivated Research Scientist specializing in Computational Design and Manufacturing with a technical vision and hands-on knowledge of… more
    Leidos (12/03/25)
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  • Sr. Principal Process Scientist

    Lilly (Lebanon, IN)
    …Eli Lilly and Company is seeking a highly motivated and skilled TSMS Lab Sr. Principal Process Scientist to join our dynamic team. This role focuses on the ... cross-functionally with medicinal chemists, analytical chemists, process engineers, and manufacturing teams to ensure seamless technology transfer and… more
    Lilly (11/21/25)
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  • Sr. Research Scientist , Principal

    Cambrex High Point (Longmont, CO)
    …Cambrex is seeking to fill multiple openings at various levels (including Sr. Research Scientist , Principal Research Scientist , Sr. Principal Research ... co-author to scientific manuscript/poster/presentation. Expected to present externally at conference. Principal Research Scientist - Specific Skill & Competency… more
    Cambrex High Point (12/13/25)
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  • Principal Scientist

    Element Materials Technology (Eagan, MN)
    …and related regulated manufacturing and consumer product industries. The ** Principal Scientist ** performs and evaluates both custom and standardized ... **Overview** Element has an opportunity for a ** Principal Scientist ** to join our **Eagan,...focusing on R&D and lot release for medical device manufacturing . Methods include TOC, endotoxin, bioburden and general sterility… more
    Element Materials Technology (11/13/25)
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  • Principal Scientist , Engineering

    Merck (West Point, PA)
    **Job Description** ** Principal Scientist , Biologics, Sterile Drug Product Commercialization** As part of Our Company's Manufacturing Division, the Sterile ... products and combination products. We are seeking an experienced Principal Scientist to advance and commercialize biologics...forms and current ICH Quality norms, as applied in Manufacturing Science and Technology or Technical Operations.… more
    Merck (12/10/25)
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  • Senior / Principal Scientist

    Boehringer Ingelheim (Ridgefield, CT)
    **Description** Boehringer Ingelheim is currently seeking a Senior or Principal Scientist to support our Material and Analytical Sciences team to join our ... Substance-Drug Product Interface organization, driving innovation in small molecule development. The Principal Scientist /Sr. Scientist will lead efforts in… more
    Boehringer Ingelheim (11/20/25)
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  • Principal Scientist

    ADM (Decatur, IL)
    **102923BR** **Job Title:** Principal Scientist - Decatur, IL **Department/Function:** Research & Development **Job Description:** ** Principal Scientist ... in carbohydrate materials and engineering? We are seeking an exceptional Principal Scientist to drive cutting-edge research, development, and engineering… more
    ADM (10/29/25)
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  • Principal Scientist , Nasal Sprays

    Kelly Services (South San Francisco, CA)
    Kelly(R) Science & Clinical is seeking a Principal Scientist for a **remote** direct hire opportunity with one of our clients, a neuroscience-focused ... at Hiring Experts. **Workplace: Remote (US)** **Pay:** 160,000-190,000/year **Position title:** Principal Scientist , Nasal Sprays **Position type:** Direct hire… more
    Kelly Services (11/21/25)
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  • Materials Scientist - Metallics & Welding…

    Halliburton (Conroe, TX)
    Materials Scientist - Metallics & Welding (Engineer - Senior - Principal ) Drill Bits and Services Date: Dec 3, 2025 Location: Conroe, TX, US, 77385 We are ... Our teams integrate metallurgy, welding science, mechanical engineering, and manufacturing expertise to deliver industry-leading drilling solutions that enhance… more
    Halliburton (12/03/25)
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  • Senior Principal Scientist

    Bristol Myers Squibb (New Brunswick, NJ)
    …at Bristol Myers Squibb in New Brunswick, New Jersey is recruiting for a Scientist Principal Scientist position in the Upstream Process Development team. ... This Senior Principal Scientist will work with teams across...batch, fed-batch, and perfusion applications. + Demonstrated experience with technology transfer and scale-up to GMP manufacturing more
    Bristol Myers Squibb (12/14/25)
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  • Principal Scientist , Protein…

    J&J Family of Companies (Cambridge, MA)
    …https://www.jnj.com/innovative-medicine **We are searching for the best talent for** ** Principal Scientist , Protein Optimization in Cambridge, MA** **Purpose:** ... design of lead biologic candidates across multiple therapeutic modalities. In this position, the Principal Scientist I will be an integral member of the Protein… more
    J&J Family of Companies (12/10/25)
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  • Senior Principal Scientist

    Merck (San Francisco, CA)
    …to ensure timely and equitable access to our medicines. The Senior Principal Scientist has primary responsibility for protocol development and medical/scientific ... leadership through interaction with key scientific leaders. **Specifically, the Senior Principal Scientist is responsible for:** + Planning clinical trials… more
    Merck (12/02/25)
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  • Principal Scientist - ADC,…

    Lotte Biologics USA LLC (Syracuse, NY)
    …deliver benefits for patients worldwide. Position Summary The Purification Development Principal Scientist , Process Development will report into the Development ... organization. The primary role of the Principal Scientist is to lead the design...equivalent area of related industry experience in biologics downstream manufacturing or manufacturing technology : +… more
    Lotte Biologics USA LLC (12/07/25)
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