Pest control technicians are usually entry-level workers who identify potential and actual pest problems, conduct inspections, and design control strategies. They work directly with customers and use a limited range of pesticides. do site surveys to identify the cause and scale of problems. work out the best way to treat infestations. set traps, control devices or use chemicals to clear an area. remove dead animals and send samples for analysis where required. advise customers on how to prevent further problems.