A FIFO (Fly-In Fly-Out) Heavy Equipment Operator job involves operating large machinery such as bulldozers, excavators, loaders, and graders in remote or mining locations. Workers typically follow a rotational schedule, flying to the job site for a set period (e.g., two weeks) before returning home for a break. Responsibilities include earthmoving, material handling, site preparation, and equipment maintenance. These roles require experience, relevant certifications, and the ability to work in challenging environments.