A security field supervisor manages guards and security staff that protect a facility against theft and vandalism. In this career, your duties are also to ensure the safety of the people on the premises. Your responsibilities include training security offers in proper security measures, performing site inspections and equipment inspections to confirm that the grounds and gear are all up to safety standards without the need for repair, and providing customer service to customers or guests that may require assistance. You are also responsible for scheduling security shifts. The primary function of a security field supervisor is ensuring that their campus is secure.