Dmitry Rybka Email and Phone Number

Work at the site of the customer – North-Western Customs Administration. Network infrastructure administration, troubleshooting, auditing, setting up monitoring systems. Modernization of customer facilities, installation, configuration, and replacement of network equipment.

Administration of the company's network infrastructure, equipment setup, troubleshooting.Preparation of technical documentation for the connection of new facilities to the network infrastructure.

Selection of equipment, preparation and compilation of specifications and sketch projects based on technical specifications or customer questionnaires. Recalculation of specifications from other manufacturers for Cisco equipment.Checking technical solutions and specifications for compatibility and performance.Consulting partners and customers on equipment, technologies, as well as the interaction of devices and software of Cisco Systems.Technical support for dealer projects in the Cisco Systems direction.Assembly, testing and configuration of project equipment in RRC. The Cisco Demo Booth was configured and launched, which is used to demonstrate Cisco products in the field of data transmission, WiFi6 wireless access and video conferencing systems.I have experience with the following Cisco products:- DNA Center, SD-Access Software Defined Networking, DNA Assurance, Catalyst 9300 family switches, 9800 and 3504 wireless controllers.- Cisco Unified CM, Cisco Meeting Server, TMS, IM and Presence Service, Expressway. On their basis, a videoconferencing system was deployed.- ASA, NGFW Firepower, Cisco ISE software and Stealthwatch.Passed training on HyperFlex. I can select and calculate the number of system components, make the initial installation.

Administration of network infrastructure built on the basis of Cisco, Extreme, Huawei, and Dlink equipment.Data network operational troubleshooting.Configuring Cisco 760x, Cisco ME360x, Huawei S5300 Network Core EquipmentSetting up aggregation and access equipment of Cisco, Dlink, Huawei, MikrotikWorking with Cacti, Zabbix, and Wathsup monitoring systems.Testing new models of telecommunications equipment or additional functionality and subsequent preparation of configs for implementation.Development and verification of schemes for communication services redundancy for important nodes or clients. Writing scripts in BASH and Python to automate the administration of network equipment.