Responsibilities / Duties： ESSENTIAL JOB DUTIES: ? Documents work and maintains study documentation and laboratory records. ? Independently sets-up, maintains, operates and performs routine and non-routine maintenance on general equipment, including problem identification and resolution. ? Informs Study Director, Principal Investigator and/or management of any problems and/or deviations that may affect the integrity of the data and recommends corrective action. ? Promotes a cohesive team environment. ? Suggests and performs modifications to test methods or procedures where precedence exists. ? Provides input and participates in project meeting, plans, monitors and guides project work. ? Serves as lead chemist on projects, overseeing a small group of technical staff, with minimal supervision. ? May interact in external client communications. ? Performs a variety of testing using analytical instrumentation with routine and/or non-routine methods. ? Performs and sets up method development and validation of various analytes in a variety of matrices with little or no supervision. ? Schedules individual projects to ensure completion within required timelines. ? Trains personnel in the operation, maintenance, and troubleshooting of laboratory equipment. ? Ability to write, revise, and review SOPs and methods for compliance with regulatory guidelines. ? Functions as technical resource for department. ? Ability to implement an action plan for solving project or technical problems as they occur. ? Able to review work of others for overall accuracy, timeliness, completeness, and soundness of technical judgment. ? Maintains a clean and safe laboratory work environment. ? Performs other related duties as assigned.