Final answer:
The job of a security personnel while on duty involves conducting patrols, identifying and preventing problems, and providing customer service.
Step-by-step explanation:
While on duty, the job of a security personnel is multifaceted and can include conducting patrols to ensure the safety and security of the physical environment, as well as maintaining a visible presence to deter potential threats and unauthorized activities. In addition to this, security personnel are responsible for identifying and addressing problems in the workplace, home, and community before they escalate. This includes implementing preventive measures to minimize risks and maintaining a safe environment for individuals. Lastly, while providing exceptional customer service may not be the primary focus, security personnel often interact with people and must possess good interpersonal skills to handle various situations effectively.