Garage door technicians install, repair, and service garage doors using various tools and skills. Responsibilities include inspecting job sites, reviewing blueprints, troubleshooting malfunctioning doors, calibrating electric garage door openers, and welding or fastening doors and parts. This job requires lifting and moving heavy equipment and materials, so you need strength and stamina. They also operate hand and power tools, program the access system, collect payments, and complete work orders. This position requires excellent customer service skills and some technical knowledge of electrical systems.