Job Description Job Description TTI Environmental Laboratories is an ISO 9001/14001/17025 and NELAC-certified analytical testing laboratory serving environmental, industrial, and research clients since 1989. We are hiring a Lab Assistant/Lab Technician to join our Arlington, TX team in a full-time, in-person role supporting day-to-day laboratory operations. This is an excellent opportunity for a detail-oriented professional or recent science graduate to gain hands-on experience in a compliance-driven, professional laboratory environment. Responsibilities Perform environmental and analytical laboratory tests following established protocols and safety guidelines Prepare reagents, manage sample intake, and maintain chain-of-custody documentation Conduct quality control assessments to ensure sample integrity and accuracy of test results Maintain precise records of all procedures, observations, and data in accordance with ISO and NELAC standards Operate and maintain laboratory instrument...