Residential Technician, Manufacturing Technician, Assembly Technician, Production Technician, HVAC Manufacturing, ERV Systems, Indoor Air Quality, Residential HVAC, Mechanical Assembly, Manufacturing Jobs Madison WI, Power Tools, Quality Assembly, Lean Manufacturing, Skilled Trades. While performing the duties of the job, the employee is frequently required to stand, walk, climb, balance, stoop, kneel, crouch, crawl, talk, hear, and use hands to finger, handle, or feel.