Physical and engineering science technicians perform technical tasks to aid in research on and the practical application of concepts, principles and operational methods particular to physical sciences including such areas as engineering, technical drawing or economic efficiency of production processes.

Tasks performed usually include: undertaking and carrying out technical work related to chemistry, physics, geology, meteorology, astronomy, engineering or technical drawing; setting up, operating, and maintaining laboratory instruments and equipment; monitoring experiments, making observations, and calculating and recording results; preparing materials for experimentation; conducting tests of systems; collecting and testing samples; recording observations and analysing data; preparing, revising and interpreting technical drawings, wiring diagrams, circuit board assembly diagrams or layout drawings.