A security assistant is responsible for performing security services such as patrols and checks for a business or facility. At the direction of the security officer, you may perform job duties such as checking badges at entryways, standing guard at a particular position, and apprehending a potential suspect. You also help to implement security procedures. The educational qualifications for this career include a high school diploma and CPR training. The hiring company may also provide on-the-job training to improve skills and provide practical experience.