Chemist (Environmental)
Company: 171427 - Criterion Laboratories Inc
Location: Philadelphia
Posted on: February 13, 2026
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Job Description:
Job Description Job Description Description: The Chemist is a
key member of the laboratory team, and in close coordination with
the Senior Chemist, is responsible for delivering consistent,
accurate, and efficient environmental testing results. This role
requires expert-level knowledge in analytical and organic
chemistry, with a focus on metals, ions, VOCs, SOCs, and PFAS
analyses. The Chemist operates a range of advanced instrumentation,
including liquid chromatography, gas chromatography, ionic
chromatography, atomic absorption spectrometry, and mass
spectrometry, ensuring the highest standards of data integrity and
laboratory quality. Essential Duties and Responsibilities:
Analytical Testing: Performs daily analyses by strictly adhering to
established methods and Standard Operating Procedures (SOPs),
including but not limited to metals, ions, volatile organic
compounds (VOCs), semi-volatile organic compounds (SOCs), and per-
and polyfluoroalkyl substances (PFAS). Ensures all results meet
regulatory and internal quality standards. Instrumentation:
Operates, calibrates, and troubleshoots laboratory instruments such
as liquid chromatography, gas chromatography, ionic chromatography,
and mass spectrometry. Performs preventive maintenance as
recommended by manufacturers to maintain equipment reliability and
data quality. Quality Assurance: Works closely with the QA Manager
to ensure the integrity of all results produced. Participates in
method development, validation, and continuous improvement
initiatives to enhance laboratory capabilities and compliance with
state and federal regulations. Safety and Compliance: Maintains
strict adherence to laboratory safety protocols and basic
procedures. Ensures compliance with all regulatory requirements,
including those outlined by PADEP Chapter 252 and other relevant
standards. Collaboration and Mentorship: Works directly with the
Senior Chemist to expand knowledge and experience in various
analyses and instrumentation. Mentors and guides less experienced
laboratory analysts, fostering a collaborative and supportive team
environment. Expertise: Possesses and applies expert knowledge in
analytical and organic chemistry to support successful laboratory
operations. Stays current with industry advancements, new
technologies, and best practices to continually improve laboratory
performance. Requirements: Required Knowledge and Experience:
Minimum of 2-5 years of relevant laboratory experience (as required
by state regulations for supervisory roles). Demonstrated
experience with chromatography, inorganic analyses, and
environmental testing methods. Strong troubleshooting skills and
ability to independently resolve complex laboratory issues.
Commitment to safety, quality, and continuous professional
development. Required Education, Certifications, and Licenses:
Bachelor’s degree in Chemistry or a closely related field; advanced
degree preferred. Completion of at least 24 credits in chemistry
coursework. A masters or earned doctoral degree in a science
discipline may be substituted for 1 year of experience. Physical
and Mental Requirements: · This position may require standing,
sitting, reaching, crawling, climbing, and squatting · Ability to
lift up to 20 lbs.
Keywords: 171427 - Criterion Laboratories Inc, New Brunswick , Chemist (Environmental), Science, Research & Development , Philadelphia, New Jersey
