Key Responsibilities HVAC & Mechanical Troubleshooting (Primary Focus): o Perform hands-on troubleshooting, preventive maintenance (PM), and mechanical repairs on Air Handling Units (AHUs), Rooftop Units (RTUs), Variable Air Volume (VAV) boxes, chillers, boilers, exhaust fans, and circulating pumps. Reporting directly to the Facilities and HSE Manager, this position acts as an essential technical helper and mechanical troubleshooter, balancing day-to-day HVAC upkeep with general building maintenance (including drywall and painting), routine site safety checks, and hazardous waste support across the Durham facility.