Sibin Kumar

Experience

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  Admod Technologies Pvt Ltd

  Feb 2012 - Jun 2013

  Junior Linux Systems Engineer

  Troubleshooting(Centos,OpenVZ,cPanel,DNS,Apache,Ngnix,Litespeed)Handling DNS and its troubleshooting. Firewalls: Iptables, CSF, LFD are used to allow/deny various hosts/services. All type of account migrations (using FTP mirroring, rsync etc)Basic bash scripting knowledge. Source code compile.Cloud Computing & AWS(basic concepts)Mysql administration(including backup)

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  Syntrio Technologies Pvt Ltd

  Jun 2013 - Dec 2014

  Linux Systems Engineer

  To manage a team consisting of 4 members(TeamLeader). A level 3 technician to handle escalated issues, server security,server hardening, OS installation, managing, patching etc.

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  Admod Technologies Pvt Ltd

  Dec 2014 - Dec 2020

  Senior Linux Systems Engineer

  Installation/Troubleshooting of client side application and database systems. Monitor the server alerts (via nagios, ops view, prtg etc) and fix them pro-actively. Perform database administration functions on MySQL database management systems, including general maintenance backup, data restoring, recovering and repair. Server setup, Kernel (re)compilation, Server hardening etcInstallation: Linux,Apache,MySQL,PHP(LAMP) etc from source as well as using package managers/repositories such as RPM, yum etcPerform system audits at regular intervals and prepare reports on server health. Handling clients and making sure their needs are handled correctly. Managing backup system R1soft, cPremote.Virtualization: OpenVZ, Xen, KVM,Nagios/Zabbix/OPSview configuration.Fair knowledge in Solusvm. Familiar with HyperV, VMware, Onapp. Software Raid configuration Linux and WindowsExperience in Odoo, ffmpeg, Red5, Expertise knowledge in MySQL[Mariadb].Moderate knowledge in PostgreSQLExpertise knowledge in Exim, Dovecot. Experience in Postfix.Xen node setup and migration. Handling Apache, Nginx, Litespeed webservers.Disk management.MySQL replication and disaster recovery. Basic knowledge in Windows administration.Expertise knowledge in cPanel.Handling DirectAdmin, Plesk, Webmin, CWP servers .All type of server/account migration.Basic bash scripting.Handling tickets (via whmcs, kayako) and live chats. Manage abuse related complaints [Network, DDos, Spamming, DMCA etc] Show less

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  Iomart

  Apr 2021 - now

  System Engineer

  VMware.Cisco Firewall, Switch & Firepower.