Security jobs in your ZIP code Maine Security Guard Training Requirements Salary and Prospects of Security Guard Jobs in Maine As per the latest employment statistics of Bureau of Labor Statistics, the outlook for Security Guard job in Colorado is indicated below. Number of persons employed as Security Guards in Maine are: 2,090  Annual Average Wage of a Security Guard in Maine is: $25,720.00. The state of Maine does not necessarily require applicants for unarmed security guard position to be licensed. However, a security guard cannot work as an independent agent or self-employed. He or she has to be under a ...