Pesticide Residue Method Scientist (PhD)

IEH Laboratories & Consulting Group; Woodland (CA); On-site; USD 85,000 - 130,000; Full time

Benefits offered by this job

medical

dental

vision

life/AD&D insurance

long- and short-term disability

health and dependent care FSA plans

employee assistance program

15 days paid time off

6 paid holidays

3 days paid bereavement leave

401(k)

Job summary

IEH-EMA in Woodland, CA, seeks a PhD Chemist to develop, optimize, and validate analytical methods for pesticide residue testing using advanced LC/MS/MS and GC/MS/MS techniques. The role emphasizes leading development of new methods and supporting expanding testing programs while ensuring quality and compliance with ISO/IEC 17025.

The candidate will operate and troubleshoot Sciex and Agilent MS platforms, contribute to high-volume analyses, and collaborate across a dynamic team.

Qualifications

• Ph.D./M.S. in Chemistry or a related field (required).
• Hands-on experience with triple quadrupole mass spectrometry.
• Experience with LC/MS/MS and/or GC/MS/MS method development or analysis.
• Familiarity with ISO/IEC 17025 laboratory quality systems or other regulated environments.
• Experience with Sciex LC/MS/MS platforms and Agilent GC/MS/MS instrumentation.
• Experience with pesticide residue or multi-residue analytical methods.
• Experience working in ISO/IEC 17025 accredited laboratories.
• Strong background in Microsoft Excel.
• Experience developing or refining multi-residue methods to improve sensitivity and throughput in high-volume labs.

Responsibilities

• Developing, optimizing, and validating analytical methods for pesticide residue analysis.
• Developing and validating quantitative multi-residue methods using LC/MS/MS and GC/MS/MS.
• Operating, maintaining, and troubleshooting LC/MS/MS and GC/MS/MS (triple quadrupole) instrumentation.
• Performing quantitative analysis using advanced chromatographic and mass spectrometry techniques.
• Analyzing, interpreting, and reporting analytical data for identification and quantitation of analytes.
• Improving analytical performance and robustness of pesticide residue methods.
• Ensuring ISO/IEC 17025 quality management compliance and proper documentation.
• Preparing method validation reports, SOPs, and procedures per ISO/IEC 17025.
• Supporting method validation, verification, and measurement uncertainty assessments.

Job description

IEH-EMA in Woodland, CA, seeks a PhD Chemist to develop, optimize, and validate analytical methods for pesticide residue testing using advanced LC/MS/MS and GC/MS/MS techniques. The role emphasizes leading development of new methods and supporting expanding testing programs while ensuring quality and compliance with ISO/IEC 17025.

The candidate will operate and troubleshoot Sciex and Agilent MS platforms, contribute to high-volume analyses, and collaborate across a dynamic team.