Responsibilities. Removing dirt and grime from windows and glass surfaces using a non-abrasive glass cleaning solution, water, and rubber squeegee blades. Determining whether window glass is clear, reflective, or tinted, and adapting window cleaning techniques accordingly. Lifting/carrying heavy items such as extension ladders, etc. Cleaning windows from ladders up to 36' high. Using microfiber cloth to dry around the edges of the glass. Using to...