Maintenance and Operations Engineering Technicians cover seven roles: Electrical Technicians; Mechanical Technicians; Control & Instrumentation Technicians; Wind Turbine Technicians Electrical System and Process Control Technicians; Electromechanical Technicians and Plant Operations Technicians. They maintain safety, integrity and effective operation of plant and equipment in many national infrastructure industries, including: power, food, chemical processing, resource refinement and exploration.