Linux Administrator

Logic Systems, Hyderabad                                                                                                               May 2016 to Feb 2018

Senior System Administrator

Key Accountabilities:

 

  • Managing and Configuring servers in Avamar
  • Managing and Configuring servers in Networker
  • Monitoring the EMC Avamar and Networker Backups on daily basis
  • Monitoring the alerts using Nagios Monitoring tool
  • Building the Linux and Windows systems from VMWare templates.
  • Account management using LDAP.
  • Adding the Newly created Servers to LDAP, Nagios and DNS
  • Monitoring the VMs and Data stores using VEEAM Monitoring tool by VMWARE.
  • Working Knowledge on Redhat Satellite Servers and configuring the Kikstarts.
  • Monitoring the EMC Storage using EMC Unisphere.
  • Creating and Maintaining users and groups in Linux environment.
  • Work with Software Developers to manage, maintain, and install applications.
  • Work with other teams to assist in configuration and maintenance of servers.
  • Managing and Maintaining the ESX Servers and upgrading their components as per the requirement.

 

 

 

 

 

Genpact, Hyderabad                                                                                                                 August’2015 – May ‘2016

Lead Consultant

Key Accountabilities:

 

  • Deployment of middleware upgrades.
  • Deploying the various web servers such as Apache tomcat.
  • Managing and maintaining Cloud Infrastructure on AWS
  • Managing and maintaining monitoring tools like Nagios and NewRelic.
  • Working on ticketing system such as Jira to resolve the issues raised by the clients.
  • Working on Configuration management tools like Chef and Puppet
  • Worked on different flavors of Linux Centos, Red hat, Fedora, Ubuntu and Open Suse

 

 

Kony Labs, Hyderabad                                                                                                                  April’2013 – July ‘2015

System Administrator

Key Accountabilities:

  • New application server installation and configuration.
  • Log review of OS / Application Server.
  • Deployment of middleware upgrades.
  • Managing and Maintaining the Cloud based servers in Amazon
  • Deploying the various webservers such as Apache tomcat Weblogic and IBM Web sphere.
  • Working on url monitoring tools like application manager.
  • Handling the escalated Troubleshooting tasks from the associates.
  • Working on Configuration management tools like Chef
  • Working on monitoring tools like monit, xymon, Nagios.

 

Genpact, Hyderabad                                                                                                                      Nov’2011 – April’2013

Lead Associate

 

Key Accountabilities:

  • Deploying Ruby on Rails application with Mongrel and Apache on Linux
  • Installing the certificates for ROR Applications on Apache
  • Deployed a Centralized Hg Server for developers to update their codes
  • Deployed Nagios and Zenoss for  Monitoring both Linux and Windows Systems
  • Worked on Installing and Configuring Open source Endian Firewall.
  • Managing and Maintaining the Cloud Servers on Amazon Web Services
  • Worked on Installing and Configuring NimSoft Network monitoring tool
  • Working on Virtualization Products like Xen Citrix VMware Esxi and HyperV
  • Deployed Exchange and Active Directory for Testing Purpose
  • Managing and Maintaining the HP Blade Servers and HP SAN Storage

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Livia India Limited, Mumbai                                                                                                       Apr’2010 – Nov’2011

Linux Administrator

 

Key Accountabilities:

  • Deploying Ruby on Rails application with Phusion Passenger and Nginx on Ubuntu
  • Deploying the open source PHP ticketing system such as trellis, osticket, eTicket and OTRS (Open Source Ticketing Request System) on Linux Operating system.
  • Deploying the Network Monitoring tools like Cacti, Zenoss, Groundworks on Linux Operating system.
  • Providing maintenance and production support, trouble-shooting production issues.
  • Attending day to day production problems related to data, DB, configuration, batch processes
  • Installing and configuring the Zimbra Collabration Suite as a mail server.
  • Deployed DR for Zimbra Server
  • Actively participated in the ISO audit
  • Worked on hardware firewalls such as Sonic Wall and FortiGate
  • Worked on the High Availability of Application Servers, Web server and Database Server
  • Installing the Commercial certificates on the Zimbra Server and on production servers with nginx as the web server.

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National Geophysical Research Institute, Hyderabad                                                            May’2007 – Mar’2010 

Project Assistant

Key Accountabilities:

  • Installing, configuring and troubleshooting Mail Server, Web Server, DHCP, DNS  and Proxy Server
  • Developed NGRI web site using Open CMS an Open source Content Management System with JSP, Apache Tomcat and Linux Operating System.
  • Accounted for Installing Linux Flavor’s (Fedora, Ubuntu, CentOS, SUSE, and Puppy) and customizing the OS to suit the project requirement.
  • Virus control and prevention using Kaspersky and MCafee Antivirus
  • Actively participated in Creating and configuring VLANS
  • Worked on Zenoss Core for Network Monitoring
  • Maintaining and Administering the Hardware based Firewall "Sonic Wall" at NGRI.
  • Configured VNC Server on Linux and maintaining it.
  • Developed Intranet website for local usage on webserver
  • Administrated and Customized the NGRI Website
  • Installed MRTG (Multi Router Traffic Grapher) on Linux.
  • Troubleshooting the antivirus problems, Internet & Intranet connectivity and also checking the problems related to physical connectivity.
  • Associated with passive networking using utp and optical fibre cables for campus wide networking in NGRI.
Last Resume Update September 23, 2018
Address Sharjha, United Arab Emirates
E-mail raghu557@gmail.com
Phone Number +971527268661

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