To become a water attendant for an NFL team, commonly known as a waterboy, the primary qualifications typically involve being physically fit and capable of handling the demands of the role during games and practices. While there are no formal educational requirements, candidates often have experience in sports or athletic training. They must be reliable, attentive to player needs, and able to work effectively under pressure. Successful candidates are usually recommended or hired through connections with the team's coaching staff or athletic trainers, emphasizing trustworthiness and professionalism in their duties.