Minimum Qualifications One year of trade experience subsequent to the completion of an apprenticeship or equivalent training and experience such as that required for a Trades Specialist (Carpenter), Trades Specialist (Electrician), Service and Repair Mechanic (Electronics), Trades Generalist, Grounds Construction Supervisor, Trades Specialist (Locksmith), Trades Specialist (Machinist), Trades Specialist (Mason and Plasterer), Service and Repair Mechanic (Motor Equipment), Trades Specialist (Painter), Trades Specialist (Plumber and Steamfitter), Service and Repair Mechanic (HVAC-R), Trades Specialist (Roofing), or Trades Specialist (Welder). Supervises, coordinates staff schedules and assignments, and trains permanent and seasonal skilled, semi-skilled, and unskilled staff in a broad range of park maintenance and repair work, including skilled trades.