What Does Site Sentry Do? At Site Sentry, our expertise is in securing projects where fixed infrastructure is unavailable or uneconomical. The team at Site Sentry tailor a security package to your specific site using established methodology including Crime Prevention through Environmental Design and Defence in Depth. ur team has 30+ years of construction experience combined with expertise in IP CCTV technology, security technology and off grid power systems. We understand the environments our systems are working in and the unique requirements that rapidly changing construction/mining projects have. About Our Services Site Sentry can provide a complete security package, including: Advanced rapid deployment security solutions LED Lighting towers Alarm Monitoring Static and mobile guard patrols Fencing and physical security solutions