Network configuration and troubleshooting in distributed data centers. Development and expertise of architectural solutions in network infrastructure. Tons of debugging (VPN, routing, etc.) Configuration audit. Monitoring automation (Ansible) Automation setup: Ansible, Python OSPF / BGP / xSTP / 802.1Q / HSRP/VRRP / VTP / LACP/IP SLA/IPv4/IPv6/EVPN/VXLAN Monitoring systems: Prometheus, Grafana ZTP Hardware: Cisco ASR 1001-x, N9k-9336, N9k9318, Firepower-2140, Linux servers

Network architect(include schemes draw.io). Troubleshooting. Service quality management. Development and examination of architectural solutions on the network Full configuration and maintenance of network equipment at 3 distributed data centres: Automation: Ansible, Python Routers: ISR 4451,ISR4431,ASR1001 Switches: C3650,C9300 Protocols in use on sites: OSPF / BGP / xSTP / 802.1Q / HSRP/VRRP / VTP / LACP/ IP SLA/ IPv4/ IPv6 BGP - 3 ISP(Full view) including route-maps, distribute lists,communities, etc. +route reflector(5 neighbors) connection with Calico Services: GRE / IPSec(crypto map and GRE+IPSec) / DMVPN / Remote Access VPNs / NAT/ SNMP Achievements: Successfully migrated to a new data center without impacting service availability. Configured efficient logging and log collection systems. Updated and standardized all network documentation and guides. Set up monitoring to ensure SLA compliance, including proper alert notifications. Optimized subnet allocation for better resource utilization. Configured accurate operation of dynamic routing algorithms. Integrated the network part of Cisco and Kubernetes. Co-founded a basketball team with colleagues. Participated in various corporate social responsibility projects.

Management and control of network equipment at two sites: office and DC. Configuration of routers, switches and firewalls. Monitoring, diagnosing and eliminating incidents related to network operation. Configure BGP (community, filters, etc.) Wi-Fi Experience in system administration of Windows and Unix-systems. Knowledge of monitoring systems Nagios, Zabbix, Cacti, PRTG. Experience with the protocol IPv6. Protocols in use on sites: OSPF / BGP / xSTP / 802.1Q / 802.1x / HSRP / VTP / LACP Services: GRE / IPSec Site-to-Site / DMVPN / Remote Access VPNs / NAT. Equipment: Cisco ASA 5515x, Cisco ASA 5585x, Cisco ASR1001, Cisco Nexus 5596,5548,4001, Cisco 3750x, 2960, 3560, Cisco 1941. WLC Cisco 3504 AIR-CAP2702E Achievements: Upgraded ASA 5585-X to version 8.4 (including a complete NAT paradigm shift and RAM expansion to 8 GB) without impacting service availability. Configured monitoring and metric collection systems. Managed office relocation, including designing the architecture for new office to data-center connections. Actively participated in various corporate social responsibility projects.

Configuring and management of Femto network (3G over IP). Сonfiguration of core network: routers, switches, firewalls. Management and distribution of tasks to the Department of installation. Communication, problem solving with the customer. Preparation of technical documentation on the equipment. Troubleshooting. Statistical analysis. Reports provision to the customer. Network monitoring. Implementation of security policies. Hardware: Huawei Eudemon 8080e, Huawei SGSN 9810, Cisco6500, Cisco ASA 5520.

Configuring and maintaining of the IT infrastructure. Participation in the project of deployment of network infrastructure in the office and on plant. Configuring core switches, access switches, routers. Setting up a wireless network in the office. Preparation of technical documentation and learning materials on the equipment. Installing and configuring of network monitoring system from scratch (Nagios, Cacti) Communication on technical issues with vendors. Trainings for the other team members. Software: Nagios3,MRTG,Cacti,Wireshark,Linux(Ubuntu),Windows. Hardware: Cisco routers: 1841,7206. Cisco ASA 5540 Switches: catalyst 3550,Catalyst 6506-E. H3C switches S3600,S9505. Wifi Cisco AIRONET AP1242AG.

Project UCELL Tashkent (Uzbekistan) (Uzbekistan mobile operator, a subsidiary of TeliaSonera) http://ucell.uz Planning and Optimizing of GSM network. Analysis of network configurations (frequency plan, handover communication, etc.) Statistic analysis. Seeking of positions for new and examination of existing sites. Conduct and analysis of drive-tests. Preparing reports for the customer. Planning and Optimizing of 3G network. Agreement of technical issues in accordance with the project. Software: TEMS Investigation, Atoll, Netact, MapInfo. Trainings for other team members.

Control and optimization of the department in dealing with any problems related to the network. Distribution of tasks and performance monitoring. Preparing reports for management. Administration of network data transmission equipment. Installing and configuring access servers, setting up "thin clients" for employees, adjustment and maintenance of routers, switches and other network equipment. Trainings for other team members. Interaction with other departments of the company. Solving conflict situations with customers. Software: Linux (Ubuntu) servers (mail: DBMail, postfix, sendmail; proxy server: Squid), TCP / IP, VOIP. Hardware: Cisco routers: 3925,7206. Switches: catalyst 2950,6509. WiFi AP: D-link.

Consultation with troubleshooting and technical support for Internet users. Assistance in setting up a network for corporate customers. Setting up and maintenance of network equipment: ADSL Modems, Routers, Switches, VoIP terminals. Software: Microsoft Windows, Linux, Microsoft Office, Antivirus.