M.KRISHNARAJ

Mobile No. +919843744104 Email_ID: krishrj@ymail.com------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------OBJECTIVE

Þ Position as a Senior Linux Engineer

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CAREER SUMMARY

Role Organization Duration

Senior Linux Engineer Velti - Chennai Oct 2012 - Till Date

Senior Engineer – Server Manage-ment

Wipro InfoTech – Chennai May 2010 – Oct

2012

System Administrator - LinuxSensiple Software Solutions Pvt.Ltd -

Chennai Dec 2008 – Apr

2010

System AdministratorSpan Office Solutions India Pvt.Ltd -

Coimbatore Feb 2006 – Aug

2008

Þ Operating Datacenter in Production Environment 24/7 for Linux & Windows Servers.Þ Support daily operation of Linux 5.3, Windows 2003 servers, VM, VERITAS net backup 6.5.Þ Working in configuration of VERITAS net backup and storage library. Þ Preparation of Linux & Windows server checklist and Maintain Datacenter operations.Þ Following up Linux server trouble shooting , Windows Sever trouble shooting, Vulnerability scanning tool standard operat-

ing procedures (SOP)

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TECHNICAL SKILL SET

Operating system Red Hat Linux EL5 Servers, Windows /2003/2000 Servers, Windows /XP/2003 clients.Þ Proficient in all types of installation like

o Server & Desktops Installationo Software Installationo Installing Linux, win2000/2003, XP and configuring Clients mail box. o Installing oracle 11g and maintain oracle DB.o Installing and configure Weblogic 8.1

Þ Instrumental in doing effective

o Trouble shooting Network problems in LAN.o Handling End user Problems, Backup Activities.

Total Exp 7.5 Yrs

Rel Exp 6 Yrs

Notice Period 30days

ORAGANISATIONAL DETAILS

Velti, Chennai -- Senior Linux Engineer. since Oct 2012 - Till DateThe Company profile: Velti was founded over 11 years ago to develop and execute highly interactive campaigns with subscribers for mobile operators. Long before mobile was a major force, our founders had a vision for changing how companies initiate, develop, and deliver advertising and marketing initiatives across the mobile channel. More than a decade later, our focus and reach have expanded dramatically. The Velti team now has a global footprint in over 15 countries, supporting Fortune 500 companies around the world in delivering innovative mobile advertising and marketing campaigns that reach their consumers and drive increased awareness, loyalty and engagement with their brandResponsibilities:

o Data center Maintenance for Production Environment 24/7 support.o Data Center experience with change control, escalation with vendor, coordinating with other support groups.o Managing the team members and assign tasks to them.o Internal training arranged for improvement technical knowledge and trains the team members.o Perform the internal audit for the company, according to the different customers.o Procurements tasks for servers, storage coordinate with Vendor for the requirements.o Vmware EFX-5.1 Installation & Configuration of Cluster & HA,Mount Storageo Maintains Linux Nagios monitoring tool.o Maintains backup report through OPmanager.o Maintains LDAP servers and configure client servers.o Linux servers Bonding Configurations for Network interface.o Solaris 10 install and configure in SUN servers.o Users credentials for Linux & Windows server access.o Basic configuration of Linux server, SSH access, Network configuration, Sudoers users permission. o Configuring & Maintains Symantec Antivirus End point protection server 11.0.o Configure & Maintains VERITAS Net backup server & Client 6.5 connected with HP Storage library.o Maintain operations of daily check lists of Linux and Windows sever.o Troubleshooting HP servers through ILO & HP storage library.o Backup & Restoration through VERITAS Netbackup, NTBACKUP.

Wipro InfoTech, Chennai -- Senior Engineer – Server Management. Since May 2010 – Oct 2012The Company profile: Wipro InfoTech is the leading strategic IT partner for companies across India and Middle East - offering integrated IT solutions. We plan, deploy, sustain and maintain your IT lifecycle through our total outsourcing, consulting services, business solutions and professional services.Responsibilities:

o SPOC for Data center Production Environment & other Circles 24/7 support.o Data Center experience with change control, escalation with vendor, coordinating with other support groups.o Maintains Linux VPMS & MPP voice portal servers and Windows Application & database Servers.o Linux servers Bonding Configurations for Network interface.o Linux Based Dialer servers services and file sharing configuration.o Users credentials for Linux & Windows server access.o NTP server configuration in Linux.o Installation VPMS & MPP application in Linux servers.o Basic configuration of Linux server, SSH access, Network configuration, Sudoers users permission. o Implementation of Nagios tool to monitor servers and devices uptime.o Implementation of CA spectrum monitoring tool and configure sysedge client on Linux servers.o Windows Servers Teaming configurations for Network interface.o Configuring & Maintains Symantec Antivirus End point protection server 11.0.o Configure & Maintains VERITAS Net backup server & Client 6.5 connected with Storage tek device.o Maintains operations of daily check lists of Linux and Windows sever.o Servers Linux & Windows Servers, other devices like WTL, CMS Maintain and troubleshoot.

o As per SLA generate report for Linux & Windows servers Vulnerability.o Maintains MacAfee Found Stone Scanning tool for Servers Vulnerability.o IBM, HP, Avaya, PCS, Audio code, WTL, servers & device operation works.o Familiar with Veritas Volume Manager & Veritas Cluster.o Scan through MBSA to install compatibility of MS Patcheso Backup & Restoration through VERITAS, NTBACKUP.

Sensiple Software Solutions Pvt.Ltd, Chennai since Dec 2008 – Apr 2010Linux - System Administrator.The Company profile: Sensiple is an e-business solution provider. Sensiple’s e-business solution enforces business process excellence across the enterprise to be more responsive to partners, customers, and employees. Sensiple has achieved excellence in e-business solution development and project consulting space with the help of expert and committed resource pool and providing state of art technological solutions.Responsibilities:

o Resolving User tickets from India offshore office and US officeo Apache and tomcat web server configuration and maintenance.o Oracle 11g server configuration and maintenance.o DHCP and static IP addressingo Installing and Monitoring cron jobso Configuring and maintainer of US extensions (IP phones and analog phones) in Aretta communications.o Audio codes, Multitech, Linksys PAP2, snom SI 120, 300  and Polycom phone Installation o Administration of sonic wall firewall. o Untangle (LINUX firewall) Installation, configuration and administration o Untangle site to site VPN configuration (Openvpn).o Configure Nagios monitoring tool.o Install and Configure AsteriskNOW.o System allocation and account creation for new resources o Account disabling and take backup of resigned persons o Samba server file sharing for cross platform utilization using Open filer server o Linux Iptables firewall configurations.o Installation and configuration of Weblogic 8.1 in Linux OS. o Configuring apache and IIS web server for windows 2008 server.o VSS/SVN user creation and deletiono Backup and restoration of onsite and offsite  backup datao Networking and cabling

Chams PLC, Nigeria – Onsite Project since Feb 2009 – May 2009

o Linux Server installation and configuration in HP blade server.o Apache and tomcat web server installation and configuration.o Configuring two node clustering and Cluster Logical volume manager.

o Scheduling jobs in crontab.o Oracle 11g installation and configuration.o Configure SSL for Apache Web server under VeriSign Security.

o Working on HP EVA 4000 SAN device, configure DMP for storage and create Virtual disk, assign host.

o Configuring monitoring tools MRTG and SNMP.

Span Office Solutions India Pvt.Ltd, Coimbatore since Feb 2006 – Aug 2008System Administrator.Responsibilities:

o Linux server and Windows 2003 server Installation and configurationo Windows server and Active directory User administration o Configured and maintained windows servers and Linux, Administrating remote clients through PC, printer

server.

o Installation and maintenance of Windows 2000/2003 based systems.

o Involved in the up-gradation of Windows XP as well as Hardware up-gradation

o Connected Linux with Linux using NFS system

o Perform System Backups and Recovery

o Monitor the users logged into the system using who, last, finger commands.

o Maintaining file system using commands fsck and mount (Using fstab file), umount and df

o Configured syslog as an centralized server

o Configured Linux server as mail server using sendmail for MTA.

o Use network commands such as ping to test connectivity, telnet, ssh and ftp to access remote systems.

o Password less authentication using ssh

o Implement securities to prevent, avoid and minimize the impact of any malicious elements on the systems and the network through the TCP wrappers

o Monitor the system using top, free lsof, vmstat and traceroute.

o Connecting Linux with Windows using samba

o Configured squid proxy for Internet sharing with password for the client system

o Implemented squid proxy for Internet sharing

o Scheduling jobs using crond (using crontab, cron.allow, cron.deny files), at commands

o Backup and Restoring data using tar commands

CERTIFICATION DETAILS

o Red Hat Certified Engineer, Certificate Number: 805008750430224

EDUCATION DETAILS

1. B.E Computer Science and Engineering (Sengunthar Engineering College, Tiruchengode) Year: 2002-2005 University: Anna University

Result: 69%

2. Diploma in computer Technology (P.S.G Polytechnic College, Coimbatore) Year: 1999-2002 University: Autonomous

Result: 72 %

3. S.S.L.C (A Nagore R.K.R Hr Sec School, Udumalpet) Year: 1997-1998 University: State Board

Result: 91 %

PASSPORT DETAILS

o Passport No: J2508840, Date of Expiry: 15-4-2022.

PERSONAL DETAILSDate of Birth : 16th Aug 1982Languages Known : English, Tamil & Telugu.Marital status : Married

DATE:PLACE: (M.KRISHNARAJ)