Analytical Chemist I - Analytical Toxicology Laboratory

Viltis; Pomona, Northern (CA, KY); Hybrid; USD 60,000 - 80,000; Full time

Job summary

Viltis is seeking a Chemist I to support an analytical toxicology laboratory in Pomona, CA. This six‑month contract offers hands‑on experience with LC‑MS/MS, regulated laboratory operations, and exposure to toxicology studies, ideal for early‑career scientists looking to build practical skills.

The Chemist I will perform routine sample preparation, analytical testing, data review, and documentation in a fast‑paced environment, collaborating with experienced scientists and lab professionals while

Qualifications

• Bachelor's degree in Chemistry, Biochemistry, Analytical Chemistry, Toxicology, or related field.
• 0-2 years of analytical laboratory experience.
• Basic understanding of chromatographic and mass spectrometry techniques.
• Strong pipetting skills with precise microliter handling.
• Experience preparing standards, controls, reagents, and dilutions.
• Strong attention to detail and organizational skills.
• Proficiency with Microsoft Office applications.

Responsibilities

• Perform routine sample preparation, extraction, and processing.
• Conduct analytical testing using LC-MS/MS instrumentation.
• Prepare reagents, standards, controls, calibration solutions, and dilutions.
• Maintain accurate laboratory records and documentation.
• Assist with instrument maintenance, troubleshooting, and performance checks.
• Participate in laboratory investigations, deviations, and corrective actions as assigned.
• Follow GMP/GLP and laboratory procedures.
• Support Quality Management System activities in line with regulatory requirements.
• Support laboratory organization, inventory management, and general housekeeping.

Skills

Pipetting accuracy

Attention to detail

Documentation skills

Education

Bachelor's degree in Chemistry, Biochemistry, Analytical Chemistry, Toxicology

Tools

LC-MS/MS instruments

Job description

Analytical Chemist I - Analytical Toxicology Laboratory
Scientific Pomona Contract Aug 19, 2026

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.