Fifteen (15) or more years of practical application of process and mechanical and process facilities engineering, including HVAC, hydronics, process piping, exhaust, plumbing, waste systems, chemical and gas distribution, pure water, and related mechanical-process facilities systems. The applicant must be able to walk long distances, sit and stand for extended periods, bend, stoop, twist, crawl, climb ladders, work on catwalks, work in small spaces, and lift and carry up to 25 lbs.