A postal police officer, also referred to as a postal inspector, is a federal law enforcement agent responsible for preventing and investigating crimes that involve United States Postal Service. The role of postal police officer is taken very seriously. Like city and state police, postal police inspectors carry firearms, testify in court, and pursue and arrest suspects. Postal police officers play a vital role in protecting the safety and integrity of the U.S. Postal Service.How to Get Postal Police JobsPostal police jobs require that applicants are between 21 and 37 years of age, have a bachelor's degree, and speak English fluently. Applicants must also be in good shape and have a clean criminal background. This means that applicants cannot have been convicted of a felony or found guilty of domestic violence. The Postal Service also prefers applicants who possess certain skills, like the ability to speak a foreign language or previous experience in law enforcement.If you meet these requirements, you can apply for postal police jobs on the United States Postal Inspection Service's website. If your application is being considered, you will be interviewed and invited to take an exam. After passing the exam, you will undergo a drug screening, background check, health exam, and take a polygraph, or lie detector test. If you pass all of these tests, you will train at the Postal Inspection Service's training facility in Maryland.Job Duties and SalaryPostal police officers work long hours and must be willing to relocate when necessary. These individuals ensure that all items being shipped through the United States Postal Service are safe and lawful. If there is reason to believe that a parcel contains illegal items, the postal inspector will obtain a search warrant, open the package, and investigate the matter. These individuals also pursue and arrest suspects, testify against criminals in court, and sometimes assist in outside investigations.According to the United States Department of Personnel Management, postal police jobs pay between $40,949 and $91,801 a year. Salary primarily depends on experience and location. The more experience a postal police officer has in the field, the greater their earning potential.