Constellis - - Responsibilities: Staff armed security posts and provide security for the personnel and property of, and visitors to, assigned US Government Property.; Not inclusive - Man post in accordance with government Post Orders.; Perform vehicular searches to detect unauthorized material and prevent its access into the building.; Serve as a general security presence and visible deterrent to crime and client rule infractions.; Respond to emergencies, such as medical and bomb threats, and alarms, such as fire and intrusion, by following emergency response proceedings.