JOB PURPOSE. Ensure existing facilities are kept clean, safe and well maintained. ESSENTIAL DUTIES AND RESPONSIBILITIES. Clean assigned areas. Interior - Hallways, Restrooms, Offices, Classrooms, Multi-purpose Room, and any other area assigned by supervisor. Exterior – Perimeter of school building, parking lot, playground, windows, and any other area assigned by supervisor. Empty Trash from any and all trash receptacles. Dust FF&E, window sills, ...