System Administrator

SIVA

Email: *******************@*****.***

Mobile: +91-805*******

Professional Summary:

Having 4 years of I.T Experience as System administrator which includes cross-functional experience in the areas of server

administration, maintenance and system support on different linux flavors.

Extensive experience in configuration and management of Citrix XenServer6, KVM, VMWare ESXi, and VCenter servers.

Exposed to projects requiring strong technical background, understanding of business processes and excellent presentation

and communication skills.

Hands-on experience in designing, supporting and providing solution for mission critical serv ers on Red Hat Linux.

Ability to work well with fast paced team in constantly changing environment.

Excellent ability to handle significant workload with experience in managing multiple projects concurrently in a matrix

process environment.

Educational Qualifications:

M.Sc(Computer Science) from Pondicherry Central University, Pondicherry, in 2009.

Professional Certifications

Red Hat Certified Engineer (RHCE) on EL 5.0.

Certificate No: 805************

Citrix Certified Administrator (CCA) on Citrix Xen Server6.0.

Certificate No: 6844353

VMWare Certified Professional (VCP) on ESXi 5.0.

Certificate No: 132018

Red Hat Certified Virtualization Administrator (RHCVA) on RHEV 3.0.

Certificate No: 110-032-612

Linux Administration:

Linux (RHEL 3,4,5&6 CentOS5&6, Ubuntu).

Planning the installation of Linux operating system according to requirement.

Package management using Centralized yum Repository server on different versions of RHEL

Scheduling the jobs after peak time with crontab.

Configuring the LVMs and adding the additional disk space as per requirement.

Software RAID configuration and data recovery from disaster.

Timely Backup and Restoration of critical data with tars using external storage devices.

Applying Quotas on the file system.

Configuring and troubleshooting the problems with FTP, NFS Servers.

Applying TCP Wrappers and Firewalls in order to provide network level security.

Compiling and installing the kernel on Redhat.

Handling Performance Monitoring tools.

Troubleshooting the boot up problems.

Configuring the network services like DNS, DHCP, Apache, Samba, NIS.

Configuring LDAP and Samba for Linux and Windows Clients under the same domain.

Configuring Nagios to monitor the remote servers with automatic Email Alerts

Installing and Configuring MySQL Server.

Centralized Log Management with RSyslog, Recording in Mysql DB, Viewing and querying in Web UI.

Configuring PXE server for network installations.

Data Recovery from crashed linux systems using rescue or live boo t.

Backup and Restore of MySQL database using scripts

Configuring and Rotating LVM snapshots on Linux Servers.

Installation and Configuration of SQUID Proxy Server with different authentication mechanisms.

Virtualization Administration

Expertise focus on Installing, configuring and maintaining the ESX &ESXi, Vcenter servers,Citrix Xen

Server6,KVM servers.

Installing different kinds of guest virtual machines on ESXi, KVM, Xen Servers like windows, Linux etc..

Designing cost effective virtualization solutions according to project requirement.

Providing Role based authentication to the users.

Storage Management for ESXi, Xen Server clusters from NetApp and Nexenta storage boxes.

Hot and Cold cloning of Virtual Machines.

Preparing virtual machine templates on VMWareESXi and Citrix Xen Servers

Converting Physical machines to virtual machines (P2V conversion)

Migrating virtual machines from ESXi to Xenserver6 vice versa.

Hot and Cold Migration of vms among ESXi Servers and XenServer6 hosts using VMotion and Live Migration

Configuring HA and DRS clusters on Vcenter and XenCenters

Taking timely snapshots as per the configuration changes in development virtual machines

Monitoring the Hosts and Virtual Machines performance and resolving performance issues.

Performing pool upgrade on xenservers.

Troubleshooting network connectivity issues of virtual machines.

Writing basic powershell scripts to get the report of vmware virtual infrastructure.

Importing and Exporting of virtual machines to vmware and citrix virtual infractructure.

Virtual machines storage migration among different storages.

Managing virtual resources effectively for virtual machines.

Configuration of VDR and Vmware Data Protection for virtual machines backup and restore.

Performing File Level Restore using VDR on Linux and Windows virtual machines.

Experience:

1) Job Title: System Administrator

Current Organization: CMM Level 3Company. From November 2011 to Till Date

Responsibilities:

Installing & Configuring VMWare ESXi hosts, VCenter Server, XenServer6 and XenCenter.

Working with KVM hypervisors on CentOS & RHEL.

Deploying and Maintenance of Virtual Machines on VMware ESXi Server,XenServer6,KVM

Creating Virtual Machine templates for quick Virtual Machines Deployment.

Installation, Configuration and Maintenance of Centralized open source Storage [ Nexenta]

Installation and Configuration of Centralized Database Servers MySQL Server5 and SQLServer 2008 R2.

Focusing on Automation of regular tasks.

Preparing kickstart files to automate Linux OS installations.

Migrations of websites, databases across Linux Servers.

Migration of VM’s from XenServer6 to VMware and VMware to XenServer6 .

Conversion of Physical server to VM to reduce the physical infrastructure.

Installation of software packages from source tar balls.

Compiling and installing the kernel on RHEL.

Remote Server OS and Hypervisor installations and using iDRAC.

Job scheduling using various shell scripts and crontabs.

Monitoring servers using Nagios and Centreon for stability and taking both proactive and reactive measures to correct

and prevent issues.

LVM and RAID configurations and troubleshooting.

Troubleshooting boot related issues like GRUB,fstab, inittab.

Security implementations using IPTables and TCPWrappers.

Working with LanDesk & SysAid Ticketing systems to resolve the tickets related to virtualization and Linux .

Recovering &Troubleshooting virtual machines deployed on VMware workstation,vmplayer

Virtual machines storage migration from NetApp to Nexenta vice versa.

Installing and configuring tftp,dhcp and nfs servers for pxe boot of boards, virtual machines and servers

Recovering data from crashed RHEL, Fedora and Ubuntu systems.

Taking daily database backup from MySQL and MSSQL Servers.

Troubleshooting performance issues of Linux Virtual Machines and Physical Servers

Applying quotas on user home directories and mapping with nis server.

Providing administrative privileges to user using sudo

Tracking system capacity and correcting any issues, answering technical queries an d reported problems

2) Job Title: System Administrator

Organization : Simtech Computronics Pvt Ltd. From June2010 to November 2011

Project Name : ENTERPRISE DOCUMENT MANAGEMENT SYSTEM (EDMS).

Client : LIFE INSURANCE CORPORATION OF INDIA

HARD WARE:

Servers : HP Proliant ML 350/G5 and 110.

Storage Controllers : HP Storage Works MSA 1500, HP Storage Works 2000.

Storage Box : HP Storage Works MSA20.

Tape Technologies : HP Storage Works Ultrium 920.

SOFT WARE:

Data base : POSTGRESQL.

Application : EDMS 2.0 SP2, DPX 3.5 and ilo2 Management.

PROJECT DESCRIPTION:

EDMS gives a solution to create, store, manage and view documents electronically and also provides a

secure long-lasting archive. EDMS eliminates the time lag in retrieving the required documents. Store and route

documents electronically eliminating paper file movement and management and also make documents available to

multiple users simultaneously.

Responsibilities:

Installing and configuring application at different levels of servers.

Creating Database users and Applying ACL’s.

Responsible for Taking Database cold Backup.

Implementing Custom level scripts at Database & OS Level.

User administration at application & os level.

Monitoring and Maintaining 45+ remote and 2 storage servers.

Sharing resources over windows and Linux environment using SAMBA configuration.

Configured RAID and LVM on LINUX production servers.

Maintaining Storage with MSA1500 and 2000 CS Controllers.

Providing remote trouble shooting support for servers.

Configuring iLO2 and troubleshooting remote server’s boot related issues.

Configuring and maintaining APACHE and FTP Servers.

Implemented automatic backup and Database Maintenance scripts.

Taking Backup on LTO3 tapes using HP Data Protector Express.

Providing Technical guidelines and conducting training session to motivate client users.

Monitoring the remote servers using customized scripts and Nagios with Automatic Email Alerts

Recovering data from crashed systems.

3) Job Title: Redhat Linux Administrator

Organization : Indian Institute of Hardware Technology From November2009 to March 2010

Responsbilities:

Performing Network Installations using kick start

Maintaining the Linux File System

Scheduling the jobs after peak time with crontab and at

Configuring RAID and LVM

Configured and maintained APACHE,NIS and FTP Servers

User Administration and ACLs,Applying quotas on users

Scheduling automatic backups using customized scripts and crontab.

Install Virtual Machines with XEN in RHEL5.0

Conducting Workshops, Demos on Redhat Linux System Administration to corporate employees.

Personal Profile:

Name : M.SivaPrasad

Father’s name : M.ChinnamNaidu.

Mother’s name : M.Appalanarasamma.

DOB : 26-08-1987

Hobbies : Listening to music, Playing Badminton, Searching open source solutions.

Languages : English, Telugu, Hindi, Tamil.

SivaPrasad.M

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