• Analytical Scientist

    Actalent (Maryland Heights, MO)
    Analytical Scientist Job Description We are seeking a dedicated Quality Control Scientist to join our team supporting both contract development and ... products and compounded formulations. The ideal candidate will possess strong analytical expertise and extensive experience in pharmaceutical quality systems. PAY -… more
    Actalent (12/23/25)
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  • Scientist I Analytical Chemist

    Eurofins US Network (St. Charles, MO)
    …best performing stocks in Europe over the past 20 years. **Job Description** The Scientist I - Analytical Chemist will support the Eurofins Discovery business in ... related experience in a contract research organization (CRO) or industry laboratory. ** Scientist I Analytical Chemist Responsibilities & Duties Include but are… more
    Eurofins US Network (12/30/25)
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  • Senior Scientist - Regulatory Cardiac…

    Eurofins US Network (St. Charles, MO)
    …Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and ... 54 countries. Eurofins companies offer a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin,… more
    Eurofins US Network (12/30/25)
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  • R&D Scientist - Fruit & Nut

    Post Holdings Inc. (Hazelwood, MO)
    …the tables of millions of consumers in North America. **Responsibilities** **R&D Scientist - Fruit & Nut** **Job** **Location:** Hazelwood, Missouri **Full-Time |** ... ideas into delicious reality? We're looking for a creative and results-driven R&D Scientist to join our innovation team and lead product development in the Fruit… more
    Post Holdings Inc. (11/20/25)
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  • Protein Design Data Scientist Postdoc

    Bayer (Chesterfield, MO)
    …to make a real difference, there's only one choice.** **Protein Design Data Scientist Postdoc** **Protein Design Data Scientist - Postdoctoral Position (Data ... Scientist VS 1.1)** Bayer is looking for a highly creative and motivated data scientist with expertise in deep learning and protein design to join our team in St.… more
    Bayer (11/27/25)
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  • QC Scientist III (HPLC, Pharmaceuticals)

    Actalent (St. Louis, MO)
    Job Title: QC Raw Materials Scientist IIIJob Description We are seeking a dedicated QC Raw Materials Scientist III to act as a Subject Matter Expert for ... safety (EHS) standards. You will conduct compendial GMP testing in an analytical laboratory environment, utilizing a variety of wet chemistry and equipment-based… more
    Actalent (01/01/26)
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  • QC Scientist II

    ThermoFisher Scientific (St. Louis, MO)
    …analyses to ensure product quality and safety in our laboratories. As a QC Scientist II, you'll conduct complex analytical testing to support GMP manufacturing ... from early-stage clinical development through commercial release. You'll work with analytical instruments and technologies while making a meaningful impact on… more
    ThermoFisher Scientific (01/01/26)
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  • QC Scientist III

    ThermoFisher Scientific (St. Louis, MO)
    …mission of making the world healthier, cleaner, and safer. As a QC Scientist III, you'll perform sophisticated analytical testing and provide quality oversight ... development and manufacturing of life-changing therapeutics. You'll conduct complex analytical testing, lead method validations, perform data review, and… more
    ThermoFisher Scientific (01/01/26)
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  • Senior Meat Scientist

    Balchem (Bridgeton, MO)
    Senior Meat Scientist Department: R&d/prod Development Location: Bridgeton, MO Start Your Application ... stable and growing company, visit www.balchem.com. POSITION SUMMARY This Meat Scientist position, within the Applications R&D team, will leverage scientific training… more
    Balchem (10/07/25)
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  • Staff Environmental Scientist - Natural…

    Burns & McDonnell (St. Louis, MO)
    …Burns & McDonnell's Midwest Region is looking for a Staff Environmental Scientist to complete field work, permit applications, and task management for a ... including electric transmission, oil & gas, and renewables. The Staff Environmental Scientist will work with the office's Natural & Cultural Resources group in… more
    Burns & McDonnell (10/28/25)
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  • Scientist - Antibody Discovery

    Eurofins US Network (St. Charles, MO)
    …Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and ... than 800 laboratories. Eurofins offers a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin,… more
    Eurofins US Network (12/30/25)
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  • QC Scientist I

    ThermoFisher Scientific (St. Louis, MO)
    …will you make an impact:** Join us at Thermo Fisher Scientific as a QC Scientist I to contribute to global health through quality control testing that ensures the ... while following Good Manufacturing Practices (GMP). Working with advanced analytical instruments, you'll conduct testing of raw materials, in-process samples,… more
    ThermoFisher Scientific (01/01/26)
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  • Mass Spectrometry Scientist

    Bayer (Chesterfield, MO)
    …a real difference, there's only one choice.** **Mass Spectrometry Scientist ** **YOUR TASKS AND RESPONSIBILITIES:** + Develop/validate/implement bioanalytical methods ... the following: **Required Qualifications:** + PhD with minimum of 3 years biochemistry/ analytical chemistry experience, or MS with minimum of 5 years relevant… more
    Bayer (12/11/25)
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  • Associate Scientist - Antibody Discovery

    Eurofins US Network (St. Charles, MO)
    …Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, to make life and ... than 800 laboratories. Eurofins offers a portfolio of over 200,000 analytical methods to evaluate the safety, identity, composition, authenticity, origin,… more
    Eurofins US Network (12/30/25)
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  • Senior Benefit Risk Management Lead, Oncology

    Bayer (St. Louis, MO)
    …timely completion of PV assessment activities. This is a senior clinical scientist position with deep expertise in key topics in pharmacovigilance (eg drug-induced ... team. + Technical expertise in pharmacovigilance and clinical safety. + Excellent analytical and problem-solving skills. + Provide effective and relevant review of… more
    Bayer (11/20/25)
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  • Sediment Remediation Practice Lead - Environmental…

    Burns & McDonnell (St. Louis, MO)
    **Description** Burns & McDonnell is seeking an Associate/Principal Engineer, Hydrogeologist, Scientist in a related field to join our successful team of remediation ... working relationships with contractors, co-workers, and other professionals. + Expert analytical and problem-solving skills. + Expert oral and written communication… more
    Burns & McDonnell (10/22/25)
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