Linux Ubuntu Windows Network Security Networking Troubleshooting System Administration Operating Systems Cisco Routers Windows Server Capital Markets Wireless Networking CentOS Network Design Network Administration Network Engineering Firewalls VMware ESX Routing Protocols Cisco Firewall Security CCNA Cisco Technologies Cisco IOS Switches VPN Routing DHCP DNS Routers TCPIP Data Center Servers CCNP Checkpoint Cisco Nexus VMware BGP OSPF VLAN RIP Fortinet Juniper Networks Products LANWAN Security Network Infrastructure WAN Cisco Firepower Netscreen Juniper JNCIA Stock Exchange                                      BSc Curtin University of Technology Diploma Sri Lanka Institute of Information Technology  Royal College Colombo 07, Sri Lanka Senior Network Engineer London Stock Exchange Network Engineer London Stock Exchange IT Systems Specialist MAS Holdings Network Support Executive Millennium Information Technology