A service dog assists people who have disabilities, and service dog trainers teach dogs how to help people. As a service dog trainer, you teach dogs how to perform behaviors that assist those with auditory or visual impairments. Service dog trainers must be good with dogs and people, have strong teaching skills, and be attentive, patient, and adaptable. You may have a background in animal care or dog training. Your job may include matching service dogs with people and helping to build their relationships.