Increased customer network by participating in numerous internet and television service installations. Installation of video-audio surveillance systems for individuals, legal entities, and state institutions. Configuration of specific operating systems for IT equipment. Participating in the identification and remediation of fiber optic failures, ensuring quick and efficient restoration of telecommunications services. Utilizing specific equipment for diagnosing and locating faults, including OTDR and other testing tools. Worked with maintenance and technical support teams to ensure effective communication and rapid solving of network problems.