Performs a variety of complex installations requiring advanced knowledge in; maintenance and repair of on-line electrical, mechanical, pneumatic and hydraulic equipment and systems in one or more specialty areas; electrical /electronic/ PLCs, welding/fabrication, HVAC/refrigeration, plumbing, carpentry, etc. Frequent exposure to lubricants, chemical vapors, aerosols, and other physical demands requiring certain levels of tolerance for working in adverse conditions i.e., noise, dust, heat, weather conditions is necessary.