Senior Laboratory Chemist

About the role

The Senior Laboratory Chemist will provide critical analytical support during environmental emergencies and Superfund projects. This role supports time-sensitive investigations across diverse sample matrices including air, soil, water, and oil, in both fixed and mobile laboratory environments.

Responsibilities

• Execute GC/MS analyses of organic compounds across multiple environmental matrices in both fixed and mobile laboratory settings
• Deliver accurate, defensible analytical data using EPA methods (e.g., 8260, 8270, TO-15, 8082A) within required turnaround times
• Prepare and process samples, standards, and reagents using appropriate extraction and preparation techniques (e.g., liquid-liquid extraction, Soxhlet/Soxtherm, solid-phase extraction)
• Interpret and evaluate mass spectral data to identify compounds using spectral libraries and sound analytical judgment
• Produce clear, concise, and technically accurate analytical reports for clients and project teams
• Maintain and troubleshoot analytical instrumentation to ensure performance, reliability, and data integrity
• Develop, optimize, and validate analytical methods using GC systems equipped with detectors such as FID, PID, and MS
• Ensure safe handling, storage, and management of hazardous materials in compliance with laboratory and regulatory requirements

Requirements

• Bachelor of Science (BS) degree in Chemistry or a closely related discipline, including at least 30 credit hours in chemistry
• Minimum of 10 years of analytical chemistry experience, including at least 5 years of hands-on instrumentation experience
• Strong knowledge of organic chemistry, chromatography, and mass spectrometry principles
• Experience with SW-846 methods for organic analysis in soil, water, and oil
• Understanding of hazardous waste characterization, storage, and labeling requirements

Qualifications

• Preferred qualifications include experience with Toxic Organic (TO) air methods, familiarity with vapor intrusion sampling techniques, and understanding of the Incident Command System (ICS) framework
• 40-hour HAZWOPER certification
• Strong knowledge of EPA analytical methods and environmental regulations
• Strong organizational, communication, and problem-solving skills
• Proficiency in Microsoft Office (Outlook, Word, Excel)
• Ability to work independently and manage multiple priorities in a fast-paced environment
• Willingness to travel for field assignments, including mobile laboratory deployments

Skills

• Experience with GC/MS and other analytical instrumentation
• Knowledge of EPA analytical methods and environmental regulations
• Strong organizational, communication, and problem-solving skills
• Proficiency in Microsoft Office (Outlook, Word, Excel)

Benefits

We fully invest in our people: Weston provides a generous, comprehensive benefits package program that offers employees high value options with solid financial protection, meeting the personal needs of its people and their families. Medical, Dental, Vision, 401K with base and matching employer stock contributions. Paid time off includes personal, holiday and parental. Life and disability plans. Critical illness and accident plans. Work/Life flexibility. Professional development opportunities.

Pay

Salary Range: $67,343-$88,868-$110,290

Schedule

N/A