Provide HVAC services with specific responsibility for identifying repair and/or replacement needs; installing, repairing, maintaining and upgrading HVAC systems and equipment; assisting other skilled trades; and ensuring that tools and materials are available at job site. •Operate, troubleshoot and repair complex utility systems which may include HVAC, Cold/Warm Rooms, MV and LV electrical distribution, control systems, compressed gases, plant steam/condensate, bulk chemical distribution and wastewater treatment under little to no supervision. •Hold a EPA Universal CFC Certification •Massachusetts Refrigeration Technician License Shift: rotating 12 hour days (no nights). or 8hr days with some weekend coverage - open for either