Security officers protect people, property, and assets by maintaining a visible, professional presence that deters threats before they occur. Day-to-day duties typically include:

  • Patrolling assigned areas on foot or by vehicle

  • Controlling access to buildings, parking areas, and restricted zones

  • Monitoring surveillance equipment and observing for suspicious activity

  • Writing incident reports and documenting daily activity logs

  • Responding to alarms, emergencies, medical situations, and disturbances

  • Communicating with law enforcement, emergency responders, and site management

  • Providing customer service and directing visitors, staff, and the public

Armed security officers carry the same responsibilities — with additional duties involving firearm readiness, threat assessment, and use-of-force decision-making.