Security jobs in your ZIP code In Canada, Security Guards are classified as workers who guard properties against theft and vandalism, control access to property premises, maintain order and enforce regulations at public events and within establishments. Applicant for a security guard license in Canada must either be a Canadian citizen, permanent resident or a person with a valid work visa. They must be at least 18 years of old and must have a clean criminal history. In certain provinces, such as Nova Scotia, applicants must be at least 19 years of age. Active members of a police service with ...