• Scientist I Analytical Chemist

    Eurofins US Network (St. Charles, MO)
    …in Europe over the past 20 years. **Job Description** The Scientist I - Analytical Chemist will support the Eurofins Discovery business in contract research ... in a contract research organization (CRO) or industry laboratory. **Scientist I Analytical Chemist Responsibilities & Duties Include but are not Limited… more
    Eurofins US Network (12/30/25)
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  • Analytical Chemist (Organic)

    Nestle (St. Louis, MO)
    …towards being one of the most trusted companies in pet care. As an Analytical Chemist , you will execute and interpret complex procedures and protocols within ... Purely Driven. **Position Summary** Quality Assurance and Nestle Purina Analytical Laboratories department is comprised of talented individuals who possess… more
    Nestle (11/12/25)
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  • Environmental Field Chemist CDL Driver

    Clean Harbors (St. Charles, MO)
    Clean Harbors in **St. Charles, MO** is seeking an **Environmental Field Chemist CDL Driver** (CleanPack Chemist ) to handle, segregate, pack, and inspect ... CDL with hazmat endorsement required** + **The Environmental Field Chemist are (NOT) laboratory-based Chemist ** + **Must...profile of new waste streams or any waste needing analytical testing + Ensures drum count is correct and… more
    Clean Harbors (11/21/25)
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  • Chemist

    Actalent (St. Louis, MO)
    Job Title: QC Chemist Job Description We are seeking a dedicated QC Chemist to join our contract testing team specializing in the analysis of gases and oils. As ... a QC Chemist , you will play a crucial role in assisting...Experience with ion chromatography, atomic absorption (AA), and other analytical techniques is advantageous. Work Environment The work environment… more
    Actalent (12/25/25)
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  • *Application Chemist * 40-45/HR

    Actalent (St. Louis, MO)
    Job Title: Application Chemist Job Description We are seeking a temporary full-time project lead to execute, coordinate, and document a defined portfolio of ... consistency across CAD platforms. Essential Skills + Strong understanding of analytical instrumentation including Raman, FTIR, NIR, UV-Vis spectroscopy, and process… more
    Actalent (01/03/26)
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  • Associate Chemist

    American Water (Belleville, IL)
    …It includes cross-training to build proficiency across lab functions, validating analytical data, and contributing to audit preparation and follow-up. The role ... * Identify routine problems and conduct basic troubleshooting and maintenance of analytical equipment and processes to ensure continued sample analysis and optimum… more
    American Water (12/28/25)
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  • Senior Bioanalytical Chemist

    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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  • Senior Chemist /Metrologist

    Kelly Services (St. Louis, MO)
    …troubleshooting, and diagnostic repair on a variety of complex ** analytical instrumentations** used in pharmaceutical laboratories, specifically including **HPLC, ... GC, and Spectrophotometers** . + **Component Management:** Analyze test results, specify, and request the purchase of necessary components for repairs or upgrades. + **Modification:** Adjust and modify instrument performance and circuitry to meet specific… more
    Kelly Services (11/01/25)
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  • Lab Tech III

    Veolia North America (Sauget, IL)
    …regulatory guidelines. May perform specialized analysis under the direction of a chemist in support and relation with applied quality assurance and control ... + Sample a variety of incoming waste materials and determines proper analytical methods required for compliance in accordance with established guidelines and… more
    Veolia North America (12/13/25)
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  • Laboratory Supervisor

    Ameren (St. Louis, MO)
    …of the Ameren Missouri laboratory in the role of a supervisor and chemist . Key responsibilities include: *Report and interpret analytical results, analyze ... and approve data and technical reports. *Investigate and solve problems with analytical instruments (including ICP, IC, ICPMS, IR, GC, and HPLC) and methodology.… more
    Ameren (01/05/26)
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