Or just work hard, don't miss shifts, don't be an idiot. I swear, this is why i'm keeping my team of guards I have now, most of the guards on these answers are trash. Securitas needs to flush people like this and hire people who want to work.
Based on need, your work ethic, your availability, your drive, your attendance, how good you are at thinking on your feet, dealing with pressure, dealing with people, etc.
You have to know somebody in the management team to get a promotion.
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