Responsibilities include: Maintains, operates, and repairs building and facility equipment related to the heating and cooling hydronic networks, control systems, which includes mechanical components such as chillers, boilers, pumps, heat exchangers and cooling towers. Technical Competence and Technical Problem Solving – Troubleshoots, diagnoses, analyzes, and identifies systems malfunctions to determine the source and cause of the problem; Knowledge of mechanical engineering concepts, principles, and practices, and of equipment, tools, mechanical devices, and their uses to produce hydronic heating and cooling.