The Building Automation Systems (BAS) Technician is responsible for programming, start-up, troubleshooting, commissioning, and servicing of commercial Building Automation System equipment. This includes responding to after-hours service calls as necessary and ensuring customer satisfaction with a positive attitude. The technician will attend in-house and formal training, maintain accurate paperwork, and implement energy and performance improvements in BAS. The role involves working on HVAC systems, performing calibration testing, and utilizing various test instruments. The technician will also be responsible for preventive maintenance, site surveys, and providing technical support to customers.