Responsibilities:Development, integration and support of multipurpose software systems.Cisco ISE, Cisco Prime integration and support.Network devices operations scripting and automation.

Responsibilities:Development of software for Bitcoin mining devices. Implementation of data protocol processing and communication, including protocols as UART, USB, SPI, Ethernet etc.

Responsibilities:Network and security administration of whole bank network infrastructure:Implementation of network/service redundancy and reliability. Network architecture implementation. Network core upgrade and migration. External and internal network perimeter monitoring. Configuration, documentation and change management implementation.

Responsibilities:Remote administration of RedTram project network. (http://ru.redtram.com)Administration of highly loaded web service: FreeBSD OS configuration/tuning, simple network administration, simple firewalling etc.Network includes three DC collocations placed in different countries plus office network. Collocations connected via GRE tunnels (based on FreeBSD). Routing: OSPF.

Responsibilities:Development of network transmission hardware. System / Network / Security administration of office network based on Cisco hardware (2 remote collocations, 3 Cisco routers (2821, 2811, 1841), 2 Cisco switches (2960G) simple CUCME configuration, VPN, DMVPN).

Responsibilities:Development and implementation of hardware, network and security design of collocation. Security audit performing. Network and system administration.Cities XL project (Montecristo Games):Design, implementation and integration of game cluster network located in Equinix DC (Paris, France). Firewalling, security, remote access and remote VPN, DMVPN access management.Hardware: two core switches: C6505 (FWSM: 5 firewall contexts, ACE: 5 application contexts, Switching module).Firewalls: ASA 5510 Active/Standby mode, Juniper SSG-350M Active/Standby mode.Switches: 2960G, 3750 Stack.ProstoFinance Bank project:Design, implementation and integration of bank network infrastructure located in Kiev. Network architecture design and implementation, firewalling, security, VPN, DMVPN configuration, routing configuration etc.Hardware: two core switches: C6508 (Switching module).Firewalls: ASA 5550 Active/Standby mode, Juniper SSG-550M Active/Standby mode.Routers: 2801, 2821, 2851.Switches: 2960G.Office network administration:Redundant network connection configuration based on ASA 5505 firewall.

Responsibilities:RedTram project network administration (http://ru.redtram.com). Administration of highly loaded web service: FreeBSD OS configuration/tuning, simple network administration, simple firewalling etc.

Responsibilities:Remote management of large network placed in Germany (Frankfurt) e.g. Cisco routers management, storage management etc.

Responsibilities:Client server support running Porta Billing software (VoIP billing), MySQL DB management e.g. DB replication setup, DB backup/restore procedures performing, SIP calls debugging, Cisco VoIP configuration.

Project: Windows oriented program of automation of bank operations.Responsibilities:Core development of Clint interpreter written in C, project integration, COM/DCOM component development, C# interface implementation.