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Posted August 20, 2026

Chemist I - Analytical Toxicology Laboratory

Viltis
Pomona, CA, US Full Time
20USD - 25USD per hour

Job Description

Job Description

Chemist I – Analytical Toxicology Laboratory


Location: Pomona, CA
Position Type: Full-Time, 6-Month Contract
Industry: Diagnostics / Analytical Toxicology


Position Overview


Viltis is seeking a motivated Chemist I to support one of our clients at their analytical toxicology laboratory in Pomona, CA. This is a six-month contract opportunity ideal for an early-career scientist looking to gain hands-on experience in analytical testing, LC-MS/MS, and regulated laboratory operations.

The Chemist I will perform routine sample preparation, analytical testing, data review, and documentation in support of toxicology studies. The successful candidate will work in a fast-paced laboratory environment alongside experienced scientists and laboratory professionals.


Key Responsibilities

  • Perform routine sample preparation, extraction, and sample processing.
  • Conduct analytical testing using LC-MS/MS instrumentation.
  • Prepare reagents, standards, controls, calibration solutions, and sample dilutions.
  • Perform accurate and precise pipetting, including handling microliter volumes.
  • Execute analytical methods according to approved procedures, protocols, and laboratory requirements.
  • Review analytical data for accuracy, completeness, and compliance with established requirements.
  • Maintain accurate laboratory records, notebooks, and electronic documentation.
  • Assist with routine instrument maintenance, troubleshooting, and performance checks.
  • Participate in laboratory investigations, deviations, and corrective actions as assigned.
  • Support laboratory organization, inventory management, and general housekeeping activities.
  • Follow all applicable safety, GMP, GLP, and laboratory procedures.
  • Perform duties in compliance with established business policies and quality requirements.
  • Support the development, implementation, and effectiveness of Quality Management Systems in accordance with applicable ISO, FDA, and other regulatory requirements.


Required Qualifications

  • Bachelor's degree in Chemistry, Biochemistry, Analytical Chemistry, Toxicology, or a related scientific discipline.
  • 0–2 years of analytical laboratory experience.
  • Basic understanding of chromatographic and mass spectrometry techniques.
  • Strong pipetting skills, including accurate and precise handling of microliter volumes.
  • Experience preparing standards, controls, reagents, and sample dilutions.
  • Strong attention to detail and organizational skills.
  • Ability to follow written procedures and maintain accurate laboratory documentation.
  • Proficiency with Microsoft Office applications.


Preferred Qualifications

  • Experience in a toxicology, pharmaceutical, environmental, diagnostics, or CRO laboratory.
  • Hands-on experience with LC-MS/MS systems.
  • Knowledge of GMP, GLP, or other regulated laboratory environments.


Physical Requirements

  • Ability to work in a laboratory environment for extended periods.
  • Ability to lift up to 25 pounds.
  • Ability to wear required personal protective equipment (PPE).


Why This Opportunity?

This position offers the opportunity to:

  • Gain hands-on experience in analytical toxicology.
  • Work directly with LC-MS/MS and modern analytical instrumentation.
  • Build experience within a regulated laboratory and Quality Management System.
  • Work alongside experienced chemists and laboratory professionals.
  • Strengthen analytical testing, sample preparation, documentation, and laboratory troubleshooting skills.

Interested in learning more? Apply through Viltis to be considered for this Chemist I contract opportunity in Pomona, CA.

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