The present invention is a vertical mast positioner, wherein a telescoping mast can be installed is provided on a frame to be used in mobile surveillance applications. The frame is provided on a mobile platform. The vertical mast positioner is further comprised of at least two actuators which are connected to the frame via support arms and oriented perpendicular to one another. The actuators connect to a collar provided for the mast. The actuators are then extended or retracted to orient the telescoping mast in a perfectly vertical position when the mobile platform encounters an uneven surface.