Dialysis Technicians set up and operate hemodialysis machines to provide dialysis treatment for patients with kidney failure. In order to become a Dialysis Technician, students will need at least a high school diploma. Various community colleges, vocational schools, and training centers across the country offer programs leading to certification, and state certification is required. Mechanical ability is also important in this job. Dialysis technicians train on the job. In a hospital they are taught how to operate the machine by a registered nurse. Companies that have dialysis units may also offer training.