MDI specializes in the design, installation, service, and maintenance of fire alarm systems, CCTV, access control, intrusion detection, and advanced AI-enabled security platforms, combining disciplined field execution with modern technology. MDI Security is seeking Fire & Security Technicians to support the installation, service, and maintenance of fire alarm systems, CCTV, access control, and electronic security solutions across Texas and other U.S. states as required by project demand.