Under general supervision, responsible for operation, quality control, troubleshooting, repairs, and basic maintenance relating to the Aquarium's 25 million gallon per day seawater system, the associated mechanical plant, the building HVAC system, and the associated equipment and infrastructure in support of maintaining animal life support and environmental systems; monitor a computer-based control system for life support and HVAC systems and assist in operational engineering decisions based on analysis of the data; perform other duties as required. Troubleshoot and repair critical water and facility systems, including but not limited to life support equipment, chillers and boilers, filtration systems, valves, drains, heat exchangers, pumps, motors, fractionators, ozone systems, exotic treatment systems, UV sterilizers, HVAC system, an internal desalination plant, and seawater lines.