Advanced knowledge of various manual/air/electrically operated tools and jigs including wrenches, welders, grinders, crimp tools, soldering irons, wave solder machines, surface mount technology machines, wire wrap tools and strippers, solder pots, spray degreasers or cleaning units. General knowledge and understanding of facility infrastructure systems (HVAC, air compressors, basic 120/240/480 single- and three-phase electrical power, transformers, and electrical distribution systems including bus bars, distribution/breaker panels, etc.).