I am working in ISP for last 9 years. I have vast experience in networking. • Working Experience in ISP CORE Network. Planning, Design and Implement CORE & Nationwide Network Routing. • Working 250 POPs around Bangladesh. My main responsibility is to maintain network Routing feasibility and debugs the OSPF routing bugs. • I am also responsible to R&D the CORE network and client new technical solution based on client requirement. • I am familiar with Mikrotik Router, CISCO Router Dynamic OSPF Routing, and Static Routing. Especially Expertise on Layer3, Layer2 network, VLAN configure, Switch Security, VPN (IPSEC, GRE, L2TP, IP-IP, and EOIP) Tunnels. • Have a vast working experience in firewall, Policy Based Routing, BGP Routing, Mangle, Bandwidth Shaping, DNS configure, Static Routing, OSPF, EoIP, Hotspot, Load Balancing, Failover and lots of tools of Mikrotik Router. • Troubleshoot the Linux Mail server mail related issues in postfix, Squirrel Mail, Shorewall. • Design, Planning and implemented the Local ISP full solution in Bangladesh, specially Dhaka and Chittagong. • Worked on the project of Internet and network solution in Best western Hotel Dhaka, Ongoing Five Star Hotel.