A generator technician services and installs generator systems and related equipment, which are often run on heavy diesel or gas-fueled combustion engines, and are used to provide electrical power. As one of these specialized mechanics, your duties include making repairs to generators, testing and monitoring the engines’ combustion systems, and ensuring the energy output is efficient. In addition to installing generators and making mechanical repairs, you may also have to transport or dispose of hazardous and flammable materials.