Danushka Kaluarachchi

Provide technical expertise in respective domain with SLAs. L2 & L3 operational support for core IT Infrastructure. Project delivery. Design and administrate of network architectures in various locations. Documentation of network system architecture and configuration backups. Technology used - Checkpoint, Cisco ASA, SonicWall, FortiGate, F5 BIG-IP 3900/Barracuda LBs, Anti-Spam/SPAM/UTM filtering, Antivirus, Cisco, Juniper and Alcatel networking , zScaler/Bluecoat proxies. VLAN, STP, VXLAN, VSS, VCP, EVPN

Configured and maintained network infrastructure. design and implemented Virtualization with VMWARE/Hyper-V Provide l3 support with incident management (SLAs). Providing network support for head office and 100+ remote branches, having MPLS WAN connectivity. Technology used - CIsco routers & Switches, HSRP, OSPF/BGP, VSS, VCP, CheckPoint, F5 BIG-IP 1600 LB, ISA Proxy, Exchange/Office 365, Cisco Wireless, ClearPass, Peplink, AntLab, Meraki cloud APs, STP, LAN/WAN, WLAN

Administrating system and network infrastructure. design and implementation business requirements. LLD/HLD (High / Low Level Design) Review and Optimization. Technology used - Cisco, Juniper, HP switches, Cisco routers, Active directory, DNS, DHCP, Windows servers, Microsoft Exchange, SPAM filtering, ACL, ARP, NetFlow Control, ICMP, LACP, LLDP, NAT, SNMP, Solarwinds, STP/VTP, VLAN, Private VLAN

Installed and configured firewalls, routers, switches and other network equipment. Installed and configured Microsoft windows servers, exchange servers, linux OS , proxy servers and active directory. implemented enterprise backup systems Technology used - CIsco ASA, Cisco routers, HP Switches, Bluecoat proxy, Symantec email gateway filtering, SPAM filter, Barracuda LB, Veritas/Symantec, VMWARE/HYper-V

Big Data Management / Computer Network Security / Information Systems Methodologies / Research Methods and Project Planning / Database and Information Systems / E-Commerce Technology / Network Applications / Project Management