NOTE: Employees in this class designated as a "trainee" will serve a one-year probationary period and within that time frame must obtain: A State of Florida Class 3 Water Distribution System Operator License in accordance with Florida Administrative Code, Chapter 62-602, Drinking Water. Assists in excavating work site, as required to facilitate installation, maintenance, or repair of water, reclaimed water, or wastewater lines and restoring site to original condition when work is complete.