Install and repair plumbing, piping, tubing, and electrical components; wire single and three-phase motors; run conduit; pull wiring to machinery and motors; install and rebuild pumps, motors, air compressors, and heat exchangers; and replace bearings, seals, and filters as needed. Perform comprehensive preventive maintenance on all base building and critical system equipment, including assembling tools and supplies, completing preventive task sheets, conducting immediate clean-up of work areas, and reporting supply shortages or equipment problems to the Operations Manager or Lead Engineer.