Konstantin Gerasimenko

• Supporting of the large distributed network infrastructure with DC in Switzerland, UK, Australia, China. • Supporting of Cisco ACI solution; • Configuring and supporting large network infrastructure including ASR 9000 routers, Cisco Catalyst and Nexus 7000, 5000 switches, F5 BIG-IP Load Balancers, Brocade Networks, Arista; • Maintenance firewalls Cisco ASA 5585-X, Fortigate, Palo Alto; • Cloud network infrastructure configuration: Azure, AWS. Integration clouds with DC infrastructure.

• Migration of customer edge network routers: Cisco ASR 9000, Cisco ISR 43xx, Cisco ASR1001; • Preparation and adaptation of configuration for IP edge network devices; • Maintenance of edge network routers Cisco ASR 9000; • BGP peering with customer; • Customer satisfaction;

• Support of the large distributed network infrastructure in 25 Data Centers around the world (Cisco ScanSafe). • Configuring, supporting, and maintaining of large network infrastructure including ASR 1000 and ASR 9000 routers, Catalyst and Nexus 7000, 5000 switches, A10 and ACE Load Balancers; • Deploying firewalls Cisco ASA 5585-X; • Communicating with vendor’s TAC and ISP’s support team;

• Design and implementation of IP MPLS backbone solution for mobile operators and fixed network operators. (ASR 9006, ASR 903, ASR 901, MPLS, Traffic Engineering, VPLS, Cisco Prime); • Design and implementation of IP MPLS Services: L3 VPN, L2 VPN; • Design and implementation of datacenter solutions (Cisco UCS, Nexus 7000/5000, Nexus 1000v, vPC, FabricPath) • Network infrastructure development and implementation; • Troubleshoot technical problems;

- design of network of provider (MPLS); - network projection for corporate clients (as technical consultant); - support network of MPLS, IP, Ethernet (Cisco); - support BGP, OSPF; - maintenance Cisco equipment (17xx, 26xx, 36хх, 37xx, 72хх, PIX, Catalyst 29хх, 35хх, 37xx, 65xx); - maintenance Motorola radio access equipment (Canopy); - Voice over IP (Cisco) implement (Cisco, E1, ATA-186, CallManager), QoS, SIP, H323; - maintenance Linux, FreeBSD; - guidance by a department; - 2nd und 3rd Level

- planning of networks for providers and corporate clients (MPLS, IP, Frame Relay, Ethernet); - technical consultations of clients; - installation, service and support Cisco network (IP, MPLS, VPN-MPLS, Frame Relay); - preparation of technical specifications;

- network projection for corporate clients; - support network of MPLS, IP, Frame Relay, Ethernet, ATM (Cisco, NSG); - support BGP, OSPF, EIGRP; - maintenance Cisco equipment (17xx, 26xx, 36хх, 37xx, 72хх, PIX, Catalyst 29хх, 35хх, 37xx); - Voice over Frame Relay and Voice over IP (Cisco) realization (Cisco, E1, ATA-186, D-Link, Asotel, FXS, FXO, DSS1, Gatekeeper H323, SIP), QoS; - installation and maintenance equipment DSLAM Cisco LRE, ZyXEL, Lucent (G.SHDSL, VDSL, ADSL);

- network projection for corporate clients; - porting news customer (Ethernet, IP, Frame Relay); - IP, х.25 and Frame Relay network support (Cisco, Sagem); - Cisco equipment maintenance (17xx, 26xx, PIX, Catalyst); - maintenance Linux (Red Head); - VPN organization (IPSec, NAT); - PABX Meridian-1 installation and maintenance (Nortel Networks). - guidance by a department; - installation and maintenance of radio stations of WidaNet and Radio-Pad (Racal); - 2nd und 3rd Level Support.

- network projection for corporate clients (as technical consultant); - network equipment Cisco installation and maintenance; - Voice over Frame Relay and Voice over IP (Cisco) realization (E1, FXO, FXS, QSIG, QoS); - PABX Meridian-1 installation and maintenance (Nortel Networks); - installation and maintenance equipment SDH Marconi; - LAN support;

- network projection for corporate clients (as technical consultant); - network equipment Cisco, Motorola and NSG maintenance; - Voice over Frame Relay and Voice over IP realization (E1, FXO, FXS, QSIG, QoS); - Global Network «Ukrpack» administration; - porting news customer (x.25, Frame Relay); - 2nd und 3rd Level Support;

- planning of networks for providers and corporate clients (MPLS, IP, Frame Relay, Ethernet); - technical consultations of clients; - installation, service and support Cisco network (IP, MPLS, VPN-MPLS, Frame Relay); - preparation of technical specifications;

Course on technology of MPLS Cisco (Applying MPLS in Service Provider Backbones and Scaling BGP), Moscow;