Specific Responsibilities: Maintenance/Custodial Services: Uses machines or other tools as needed to clean, renovate, and renew floor surface finishes; to sweep, dry mop, wet mop or machine scrub and wax floor; to sweep and shovel snow or remove debris from steps and walks; to vacuum rugs and carpets; to move furniture, office equipment, supplies, etc. Northwestern University's Residential Services helps build a community environment for students through housing-related services, intentional learning opportunities and residential settings that include residence halls, residential communities, and residential colleges.