Gautam Kumar

About Gautam Kumar

working as Linux administrator(Zimbra admin, Hp 3 par storage, Sophos email appliance…

Experience

1. Linux System Administrator

   Zextras

   Aug 2022 — Present · Mumbai, IN

   Carbonio Mult node and single node Email servers (installa\'on, migra\'on, replica\'on, backup, restore, monitoring).• Creating Instance for Single node and Multinode infra through Terraform on AWS Clod.• Installing Single node and Multi Node Carbonio Email server using Ansible Roles.• Upgrading Single node and Multi Node Carbonio Email server using Ansible Roles.• Monitoring server load, CPU utilization and Memory Status.• Monitoring Carbonio Mail queues (Ac\'ve, Incoming, Deferred, Held, Corrupt) through CarbonioAdmin console, Grafana Dashboard and CLI.• Monitoring MTA logs for suspicious failed authentication and blocking suspicious IP in upstreamfirewall.• Creation and deletion of Carbonio Email account, DL as per requirements.• Granting and removing permission on users account for sending emails to DL.• Monitoring Email server IP blacklis\'ng using third party Tools like MxToolBox and removing blacklistfor proper Email flow.• SSL Cer\'ficate deployment• Providing Level 3 and Level 4 support to our Partners as a OEM Support.• Having hands on experience on Docker in deploying real \'me project

Education

• Pakriya High School

  matriculation , SSC

  2007 — 2008

• Annamalai University

  Bachelor of Engineering (B.E.), Electronics and Communications Engineering

  2011 — 2015