Cleaning Supervisor Opportunity This is a unique chance to be part of an exceptional institution providing agricultural education and training. 1. Internal duties include maintaining the school's cleanliness, including carpets, toilets, furniture polish, window cleaning and rubbish removal. 1. External duties require you to keep verandas clean, 2. rubbish disposed of properly, 3. windows polished, and remove cobwebs occasionally along with general required cleanings.