razibshahriar

• Having around 12+ years of experience in system and network administration on Redhat/Centos. Setting up the NFS, NTFS, SNMP, DNS, HTTP, HTTPS, QFS, ZFS, Samba, Apache, Web Server, Squid, Proxy server, Tomcat, LDAP, LAMP, Send Mail, Postfix, DHCP, PXE Boot, Netboot, U boot, Nbboot and File Transfer protocols like(TFTP, FTP, Direct connect etc) • Have experience in Mikrotik IP and BGP routing and scripting. • Worked on different security networking like VPN, IKE, IPSEC, Firewall and SSL Certificates. • Setting up the Network Load Balancing (NLB), server load balancing (SLB) and Auto Failover • Have sound knowledge in DBM with php and mysql • Experience in developing Ticket Management System with generating ticket through sms from GSM Network • Having expertise in dialplan writing with Asterisk PABX system. • Familiarity with scripting Languages like Perl, Korn Shell and Bash shell. • Expert in Setting and bringing up usb dongle modem to connect Asterisk with GSM Network