Perhaps one of the most essential horse careers and one that requires the most training to become. A horse show veterinarian is an important job which carries the (often) heavy burden of long and unexpected hours.
What You Need
This is a position which benefits from attention to detail, strength of character and a love of the equine animal. Horse doctors have their fair share of sad, scary, disgusting, painful and rewarding moments in the course of their daily work. Show vets may work directly for the host stable (in the case of large shows) or come along with trainers to tend to their specific charges.
Read more
While this is an entry level position, it is an essential one for the riders and trainers when at a horse show. Regardless of discipline, horse shows are a high-stress breeding ground for unexpected problems. 
While this job may not offer a great deal of hands-on animal time, it does require a serious understanding of equine habits and nature. Trail engineers actually have a fairly technical job which requires a knowledge of geography, direction and local flora and fauna. 
Being a rodeo clown is a highly seasonal (or highly mobile) career path, rodeos often travel and are active when the weather permits. While an exciting job that offers a lot of spirited activity and contact with the animals, it is also among the most dangerous.