As a Security Officer Per Diem, your shifts are usually scheduled on an as-needed basis to cover staff shortages, special events, or peak activity times, offering a high degree of flexibility. You may work in a variety of settings, such as hospitals, office buildings, event venues, or educational institutions, often alongside a diverse team of security professionals and facility staff. Your daily responsibilities include monitoring premises, patrolling designated areas, responding to alarms or incidents, and interacting with visitors or employees as needed. This flexible arrangement is ideal for those seeking variable hours or supplemental income while gaining valuable security experience.