A Janitor cleans and keeps hotel, office building, apartment house, or similar building in an orderly condition; Sweeps, mops, scrubs, and vacuums hallways, stairs, and office space; Empties trash and garbage containers; Notifies supervisor concerning need for major repairs or additions to lighting, heating, and ventilating equipment; May perform minor and routine painting, plumbing, electrical wiring, and other related maintenance activities, using hand tools; May replace air-conditioner filters