Heavy equipment jobs are typically within the construction or industrial maintenance industries. The two main categories of heavy equipment jobs are heavy equipment operator and heavy equipment mechanic. As a heavy equipment operator, you are in charge of running large pieces of equipment to help build or maintain roads, bridges, large structures, and tunnels or pipelines. Your job duties may include operating bulldozers, front-end loaders, or backhoes responsibly during large projects. Heavy equipment mechanics, on the other hand, help to keep this equipment in working order for the operators by working on engines and other moving parts of the machinery.