Constellis - - Responsibilities: Enforce the District's entry and identification system; Patrol court facilities and grounds of the facility in accordance with applicable post orders; Man USMS authorized stationary posts; Provide focused surveillance on incoming traffic to entrances from inside or outside the facility in order to detect oncoming threats before reaching the screening area; Dispatch or inform others as needed and authorized; address fire alarms, burglar alarms, requests for assistance and criminal acts