Chemist III

doTERRA•Pleasant Grove, UT

About The Position

The Chemist III develops and validates analytical methods, strengthens laboratory quality systems, and supports research involving essential oils and natural products. The role develops and optimizes analytical methods, transfers established methods into routine operations, and conducts validation studies. It also supports ISO/IEC 17025 laboratory practices, maintains technical documentation, investigates essential oil chemistry and product authenticity, and operates and troubleshoots analytical instrumentation. The Chemist conducts experiments, interprets analytical data and scientific literature, develops strategies to detect adulteration, and supports reference databases and authentication criteria. The position improves laboratory workflows and efficiency, trains and mentors chemists and technicians, supports complex investigations, and collaborates with Quality, Regulatory, Research and Development, Product Development, Manufacturing, and Supply Chain teams to provide scientific recommendations.

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

Experience with essential oils, botanicals, dietary supplements, natural products, or pharmaceutical analysis.
Experience with pesticide and contaminant testing.
Experience with authentication and adulteration testing.
Laboratory accreditation experience.
Technical leadership experience.
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 analytical methods into routine laboratory operations.
Design method validation studies covering accuracy, precision, specificity, selectivity, linearity, range, detection and quantification limits, recovery, robustness, and measurement uncertainty; prepare protocols and reports.
Support laboratory 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 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 laboratory 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.
Collaborate with Quality, Regulatory, Research and Development, Product Development, Manufacturing, and Supply Chain, interpreting analytical findings and providing scientific recommendations.