Chemist III

doTERRA International LLC•Pleasant Grove, UT

About The Position

At doTERRA we encourage all employees to seek out opportunities that will expand their skill set. We strive to help achieve personal career goals by providing opportunities of growth and movement throughout the company. The position focuses on developing and validating analytical methods, strengthening laboratory quality systems, and supporting research in essential oils and natural products.

Requirements

PhD in Chemistry, Analytical Chemistry, Organic Chemistry, Pharmaceutical Sciences, Natural Products Chemistry, or a closely related discipline
Experience in chromatography and mass spectrometry, method development and validation, ISO/IEC 17025, SOP preparation, instrument troubleshooting, scientific writing, experimental design, and independent project management

Nice To Haves

Essential oils, botanicals, dietary supplements, natural products or pharmaceutical analysis
Pesticide and contaminant testing
Authentication and adulteration testing
Laboratory accreditation
Technical leadership
Scientific publications

Responsibilities

Develop and optimize GC MS, GC FID, GC MS/MS, HPLC, and LC MS/MS methods for essential oils, natural products, supplements, pesticides, contaminants, adulterants, and authentication markers. Transfer established methods into routine laboratory operations.
Design validation studies covering accuracy, precision, specificity, selectivity, linearity, range, detection and quantification limits, recovery, robustness, and measurement uncertainty. Prepare validation protocols and reports.
Support alignment with ISO/IEC 17025, including audits, corrective and preventive actions, proficiency testing, traceability, personnel competency, and laboratory investigations.
Write, review, and maintain SOPs, analytical procedures, sample preparation instructions, instrument operation and maintenance procedures, validation protocols, and research documentation.
Conduct research on essential oil chemistry, natural products, adulteration, authenticity, and contaminants. Design experiments, interpret data, review scientific literature, and support publications and conference presentations.
Develop strategies to detect adulteration using chemical profiles, marker compounds, synthetic impurities, chiral composition, and appropriate chemometric approaches. Support reference databases and authentication criteria.
Operate and troubleshoot chromatography, mass spectrometry, headspace, and SPME systems. Support instrument qualification, calibration, preventive maintenance, and performance monitoring.
Improve workflows, turnaround time, method performance, and operational efficiency. Standardize procedures and support automation while maintaining scientific integrity.
Train chemists and technicians in analytical methods, instrumentation, sample preparation, data interpretation, and quality practices. Mentor junior scientists and support complex investigations.
Work with Quality, Regulatory, Research and Development, Product Development, Manufacturing, and Supply Chain. Interpret analytical findings and provide scientific recommendations.