Performs assigned pre-analytical activities related to laboratory testing, which may include general and analytical equipment maintenance, function checks and documentation; inventory control and supply stocking, specimen collection as needed; biological specimen processing; cleaning and disinfection of selected or assigned laboratory equipment and spaces; quality control and calibration performance; and other pre-analytical activities. Is responsible managing assigned selected aspects of laboratory processes or shifts, which may include workflow, quality control process, performance improvement activities, training of new employees, advanced problem solving for customers and coworkers, department equipment or computer maintenance and upgrades, writing/reviewing procedures, or other tasks assigned.