Core Network Engineer
Banglalion Communicatios Limited
Total years of experience :15 years, 11 Months
1. Research and Development of services (Layer 2 and Layer 3 network applications like Eth-CS) in IP Packet network, Internet security, IP based product development, VPN over Wireless Network.
2. Core Network equipments (AAA & ASN Gateway & Core Switches) of WiMAX Network implementation and maintenance.
3. Implementation and maintenance of core network infrastructure (DNS, DHCP, Mail, FTP, NTP, Proxy, Web, MRTG, CACTI, NAGIOS, OTRS, Cisco Layer-2 (2960 series), Cisco Layer-3 (3560 series) etc.
4. Working with Installation of google gcc server
5. Installation and troubleshooting of core network equipments.
6. Perform advanced system diagnostics, debugging and performance analysis. Create reports on all activities and generate solutions.
7. Work and coordinate with vendors like ZTE
8. Vmware configuration & maintenance
•Designing and implementing small to medium LANs and supervising installations.
•NOMC operations, Support Team Management, Maintaining and monitoring overall network.
•System monitoring likes core and base station switches, routers, and bandwidth, Fiber Link from NOC.
•Handle CISCO router (CISCO 2600, 2500) & Switch (CISCO 1900, 2950), Riverstone (ES500), Linksys
•Handle bandwidth manager\[Mikrotik\]
•Configuring Linux based DNS server, DHCP server, Mail Server (MTA-Sendmail, Postfix), MUA-Squirrelmail, Openwebmail), Web server (Apache) and FTP server (VSFTPD), Proxy server (Squid), Linux Firewall (iptables), MRTG, and Fetchmail.