Work requires thorough knowledge of high and low pressure boilers, and heating, pneumatic, ventilating, air-conditioning, refrigeration and other mechanical equipment; thorough knowledge of the methods, tools and materials used in the operation, maintenance and repair of such equipment; general knowledge of ventilation principles, thermal dynamics, and closed water systems; working knowledge of energy management systems including the ability to understand and use system features; and a general knowledge of the applicable state and federal safety codes and regulations pertaining to mechanical and HVAC systems. Considerable physical effort and intermittent exposure to inclement weather/working conditions; must be able to lift, carry, push, and pull up to 50 pounds; exposure to work environments that include; lack of adequate ventilation, cramped quarters, and toxic conditions; superior hand/eye coordination for manipulation tools; utilizes powerful hand, power, and machine tools.