Job Responsibilities. Opens building. inspects boiler/standpipe/fire alarm systems (maintains necessary certificates for these systems). Keeps building/ground clean, neat, and safe at all times. Perform routine daily cleaning tasks (sweep, mop, dust desks/woodwork, order supplies). perform summer cleaning (wax and buffer floors, order furniture and other equipment, wash/paint walls and windows). Clean and mop lavatories, cafeteria and gym locker ...