- Operating virtual networks based on OVS, Neutron, OVN.- Design and operation of interconnections with external services and networks.- Automation with Python, Ansible, work in general team piplines based on GitLab CI/CD.

- Designing new PoPs, network architecture of cloud clusters, DCI solutions.- Operation of the telecom operator's network and public cloud infrastructure (3+ line support).- Leading the small NOC team.- Participation in pre-sale and integration proccesses for complex client cases (interconnections with different clouds, co-location, external offices)

- Development and operation of 3 data centers, big campus, and 50+ branches of the company.- Modernization of large (more than 20 network nodes) technological facilities.- Implementation of schemes for increasing fault/disaster tolerance for WAN, DC and Internet segments.- Increasing information security through FW policy refactoring.

Work on the project of a large (more than 5,000 branches) federal customer, operation of the existing network, deployment of information systems, work on the modernization of individual nodes.

- Modernization of the network core based on Juniper equipmemt.- IPv6 implementation.- Implementation of the Arbor Peakflow DDOS protection system.- Building distributed corporate customer networks based on DMVPN, IPSec, VRF Lite technologies based on Cisco and Juniper equipment.