animator - the technician who produces animated cartoons

dental technician, denturist - someone who makes dental appliances (bridges and dentures)

skilled worker, trained worker - a worker who has acquired special skills

soundman - a technician in charge of amplifying sound or producing sound effects (as for a TV or radio broadcast)

techie, tekki - a technician who is highly proficient and enthusiastic about some technical field (especially computing)

expert - a person with special knowledge or ability who performs skillfully