Minimum Qualifications Non-competitive: 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 & Repair Mechanic (Electronics), Trades Generalist, Grounds Construction Supervisor, Trades Specialist (Locksmith), Trades Specialist (Machinist), Trades Specialist (Mason & Plasterer), Service & Repair Mechanic (Motor Equipment), Trades Specialist (Painter), Trades Specialist (Plumber & Steamfitter), Service & Repair Mechanic (HVAC-R), Trades Specialist (Roofing), or Trades Specialist (Welder). Duties Description Under the supervision of a higher level Maintenance Supervisor or other administrative supervisor, the Maintenance Supervisor 1 is a working supervisor, supervising a combination of skilled, semi-skilled and unskilled subordinates, typically in the building, electrical, carpentry, roofing, plumbing, and locksmithing trade while the mechanical trades include the maintenance and repair of heating, ventilation, air conditioning and refrigeration systems.