Md Mahedi H.

I have been working as a Linux Systems Admin since 2009 and during this time I have worked in a number of permanent and project based organizations. I have been a pioneer in the implementation and maintenance of their infrastructure and applications, specifically managing hosting services on DNS, Mail, VPS and dedicated servers. TECHNICAL SKILLS: Linux Skill (Any Linux Distribution): Advanced level System Administration. Advance DNS server configuration, including primary, secondary, multiple domain & subdomain with DNS security. Enterprise Emailing System with Virtual Mail Hosting on CentOS 7.x/RHEL 7.x/8.x – (Postfix Dovecot ViMbAdmin, MariaDB Roundcube Amavisd-new, Spamassassin, Clamav DKIM SPF) Network Monitoring & Management Tools: Cacti, Nagios, Observium, MRTG, perfSONAR, LibreNMS, NMIS- Network Management Information System, SmokePing, NetFlow, RANCID, Log Management, Ticketing Systems (OTRS, RT), Kibana and Elasticsearch and Wire shark etc.