Organizing communication channels and working with contractors. Working with contractors to implement and support IT services. Configuration of telecommunication equipment. Administration and information security. Network monitoring, routers, managed switches, server equipment, workstations. Setting up video surveillance workstations with optical recognition. Physical Access Control System. Ensuring uninterrupted functioning of IT infrastructure. Organizing remote workplaces. Setting up server equipment: component and firmware updates, installing operating systems and components. Working with virtualization system (ProxMox based on Debian), SAN with RAID array. Preparation of virtual machines on Linux, Windows, and Docker for vendor work. Equipment modernization.In fact, a LAN was built from L1 to L3, including server installation. Work with providers providing communication channels was organized. A monitoring system was organized based on Zabbix. Telephony was organized based on FreePBX.

Telecommunication equipment configuration, development of linear schemes, development of working documentation, coordination. Supervisor for cable laying in cable ducts. Welding, measurement of optical communication lines. Emergency restoration work on optical communication lines.Implemented a PON budget calculator based on Visio, with calculation of materials, welding schemes, and attenuation on the optical line. Organized the transfer and modernization of the city's network core.

Connecting subscribers, telecommunication equipment configuration, development of linear schemes. Laying low-voltage networks. Technical support operator, remote customer support. Welding, measurement of optical communication lines.