Deploying new projects and supporting existing clients.Designing client`s server and network infrastructure to meet business requirements based on hybrid solutions, virtualization and cloud platforms (drawing HLD and LLD schemes, selecting equipment).Implementing, configuring and testing client`s infrastructure based on new designs.Focusing on security conception and solutions, based on security standards for implementing new security policies.Performing network assessments. Installing and supporting network monitoring tools.Regular maintenance software and hardware infrastructure.Technical Skills• Routers: Cisco ISR, Mikrotik, Allied Telesis;• Cisco Catalyst, Cisco Nexus, HP ProCurve, Mikrotik, Dell;• Wi-Fi: Mikrotik, Cisco, Ubiquity• Routing: RIP, OSPF, EIGRP, BGP, PBR, VRF, NAT, GRE;• Failover: HSRP, VRRP;• Switching: VLAN, VTP, STP, RSTP, EtherChannel;• Security: Checkpoint firewall, Barracuda Cloud control, ASA firewall, IPSec VPN, RA VPN, Access Control;• Administrating VOIP PBX• Network monitoring: SNMP, Netflow, Syslog;

Installed, reconfigured and tested client`s network infrastructure (Cisco) based on new designs.Supported network infrastructure and troubleshoot LAN and WAN related issues.Performed new projects and supported existing network infrastructures.Installed, supported and troubleshot servers running Windows & UNIX OS.Configured and supported clusters and nodes based on Hyper-V and VMware virtualization. Administrated DC/DHCP/DNS etc… /Mail Servers/ MS SQL serves.Diagnosed, troubleshooted hardware issues, and replaced hardwareServer / Blade / HP and Dell Storage.Tier 3 end-user support.Technical Skills• Routers: Cisco ISR;• Switches: Cisco Catalyst, HP ProCurve;• Routing: RIP, OSPF, EIGRP, PBR, VRF, NAT, GRE;• Failover: HSRP, VRRP;• Switching: VLAN, VTP, STP, RSTP, EtherChannel;• Security: Checkpoint firewall, ASA firewall, IPSec VPN, RA VPN, Access Control;• Checkpoint: Firewall, Mobile Access, IPsec, IPS, Application Control, DLP, URL Filtering, Antivirus, Anti-Spam & Email Security, Anti-Bot;• Administrating CUCM, CUCME and PBX;• Network monitoring: SNMP, Netflow, Syslog;

Performed current state, future state, and gap assessments of clients’ existing network infrastructure.Focused on security conception and solutions, based on security standards to implement security policies. Migrated existing equipment to Next-generation firewalls.Redesigned client’s network infrastructure to meet business needs based on Checkpoint and Cisco equipment, authored HLD and LLD diagrams, selected new hardware. Installed, reconfigured and tested client’s network infrastructure based on new design and workflows.Supported the network infrastructure; troubleshoot LAN and WAN related issues.Escalation process to vendors Cisco TAC, Checkpoint representative.Performed Wireless assessments, made recommendations, and implemented remediation efforts to improve network coverage and eliminate connectivity issues.Technical Skills• Routers: Cisco ISR, Mikrotik;• Switches: Cisco Catalyst, HP ProCurve, Mikrotik;• Routing: RIP, OSPF, EIGRP, PBR, VRF, NAT, GRE;• Failover: HSRP, VRRP;• Switching: VLAN, VTP, STP, RSTP, EtherChannel;• Security: Checkpoint firewall, ASA firewall, IPSec VPN, RA VPN, Access Control;• Checkpoint: Firewall, Mobile Access, IPsec, IPS, Application Control, DLP, URL Filtering, Antivirus, Anti-Spam & Email Security, Anti-Bot;• Network monitoring: SNMP, Netflow, Syslog;

Installation and initial configuration of the LAN networks equipment, Microsoft products, Server equipment for customers.Supported internal servers, network equipment and provided services 24x7.Configured and supported Analog PBX, VOIP.Configured and supported multi-based DCs/MS exchange.Supported more than 450 workstations, end users, on-site and remotely.Regular maintenance of software and hardware.Configured and supported Business security intelligent antivirus system. Created policy and maintenance for backup system.Technical Skills• Operating systems: - Windows Family: XP/7/8, Windows Servers: 2003R2/2008R2/2012R2/Core, - (Li/U)nix Family: CentOS/FreeBSD/Suse;• Secondary Services: Active Directory, DNS, DHCP, FTP, WDS, NAP, WSUS, Terminal Server, Proxy, File server;• Virtualization: VMware vSphere, Hyper-V;• Mail Servers: Exchange 2007/2010, MDaemon, Kerio;• Web Servers: IIS, Apache• Database: MSSQL;• AV Management: Symantec, Kaspersky;• Backup Apps: Norton Exec, Acronis;• PBX: Panasonic TDA Family;Hardware: Dell, Fujitsu-Siemens:Hardware diagnostic/troubleshooting, hardware replacement, remote management, Server / Blade / Storage initial configuration; Zyxel:Configuring and troubleshooting ADSL devices.

Installed and supported routers, web hosting and e-mail servers, based on Unix and Windows OS.Supported and troubleshot the LAN and WAN problems.Supported AD, Web services, External DNS, and Mail hosting.Supported end users on-site, remotely.Troubleshooting hardware failures, software and printers issues.Regular maintenance of software and hardware.