Join Our Crew. Window Cleaning Tech Wanted. Hey there. Ready to team up with a crew that's all about transparency and teamwork. Sisu Window Cleaning is on the hunt for a Window Cleaning Tech to join our crew. About Us. At Sisu, we believe in honesty and working together. We're a group of guys setting goals, celebrating wins, and learning from every experience. A Day in the Life. Start the day at our shop, where we connect and go over the day ahea...