First Klass Careers We have established ourselves as one of the leading providers of quality driven window cleaning and related services in the area. If you think you would be an asset to our team, contact us below for more information. First Klass is an equal opportunity employer. All new employees must have a valid driver's license, and undergo pre hire background checks and drug screening. We have a culture of innovation where our employees can make a difference and we are looking for like minded, dynamic individuals to come and join our rapidly expanding team. Below is our current list of vacancies. If you wish to submit your application, please send it via e-mail, or you can fax us at the number listed below. Thanks! Window Cleaning Technician No experience necessary. Minimum requirements listed above. Click here to Contact Us today for details. Fax Number: 414-328-0195