Under general supervision, the position has varying responsibility for the independent and ongoing installation, operation, maintenance, and repairs of a wide range of complex refrigeration, air conditioning, heating, ventilating, plumbing, electrical, mechanical, water systems, and related building automation systems. Must be thoroughly familiar with all safety codes and regulations related to the installation and operation of refrigeration and air conditioning systems. The position also maintains services, inspects, and repairs the mechanical, electrical, electronic, and digital controls associated with these systems. May perform duties under an alternate work schedule (Tuesday - Saturday).