MSA K9 handlers typically spend their days conducting security sweeps with their canine partners, inspecting packages, vehicles, and areas for threats such as explosives or contraband. They are also responsible for maintaining their dog's training, health, and readiness, which includes regular exercise and care. Handlers often collaborate with security teams, law enforcement, and facility personnel to ensure comprehensive site protection. The role may involve working flexible shifts, responding to emergent situations, and submitting detailed reports on findings and incidents.