SUMMARY OF QUALIFICATIONS:

• Over *+ years of system administration experience in various flavors of UNIX (HP – UX and AIX), LINUX (Red Hat Linux, SUSE, Ubuntu, CentOS, Solaris) & Windows Systems

• Extensive experience in System Administration, System Builds, Server Builds, Installations, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Data Recovery, Performance Monitoring, and Fine-tuning on UNIX, AIX, Red Hat Linux@EL 5.4, Fedora Ubuntu, SUSE & Solaris systems

• Red Hat Certified Administrator with over 3+ years of experience in Red Hat Network and Sever Environment Maintenance

• Installed, monitored and supported Web and Application Servers on AIX, HP-UX, Linux and Windows

• Profound experience in Logical Volume Management (LVM) and Logical Partitioning

• Experience in using various transport, application and internet protocol layers like BGP, DHCP, DNS FTP, HTTP, IMAP, POP3, RPC, SMTP, SOAP, SSH, Telnet, TLS/SSL, TCP/IP, IP(IPv4, IPv6)

• Proficient in configuring JumpStart and KickStart servers to initiate installation of all flavors of Linux on several machines at once

• Creating and maintaining Users, Groups, Profiles, Security, Permissions, Disk Space and process monitoring

• Good knowledge about Storage Area Network (SAN), Tivoli Storage Manager

• Experience in using diagnostic and debugging tools such as Dtrace, Strace, Truss & TOP

• Experience in installation and configuration of Web Sphere, Apache, JBoss, WebLogic and Mail Servers

• Worked on Group/User administration, Startup & Shutdown Scripts, Crontabs, File System Maintenance, Backup Scripts and Automation

• Experience in using Shell Scripts for applications, Backup & Scheduling

• Knowledge on protocols, OSI model vs. TCP/IP, networking functions cabling constrains, hands on skills to install N/W components, WIN NT, Security Planning and N/W troubleshooting

• Excellent understanding of Server Hardware, Peripheral Devices and Hardware Architecture

• Good knowledge in Perl, Python, PHP Scripting Languages and Web Technologies like .Net, Dreamweaver

• An impressive communication and creative problem solving skills

• Coordinated with Support / Technical managers globally

• Excellent technical ability and support experience individually or as a team

Education:

• Masters’ in Electronics & Computer Technology (USA)

• Bachelors’ in Electronics & Instrumentation (INDIA)

Certification:

• RHCE (Red Hat Certified Engineer) @ EL5

Certificate Number: 805************

• Microchip Embedded Engineering Certification

Skills:

Operating Systems Sun Solaris 8/7/2.x, Linux (RedHat@5.3EL, SUSE (SLES 9 & 10)), IBM AIX 5.x, 6.1, HP-UX 11.xx, MAC OSX, CentOS, OEL (Oracle Enterprise Linux) Windows NT4.0, Windows 98/2000/2003/XP/VISTA

Hardware IBM Blades Severs – HS20, HS22

Sun Fire Servers - E25k, E15k

Data Centre Servers - E250, E450

Tape Libraries - Sun StorEdge L20/L40, Storagetek’s 9840,6540

Total system assembling and maintenance, Network maintenance, Hardware Troubleshooting, I/O Devices, Motherboard Bug Fixing, PCB, LAN, WAN including Fibre Optic and Ethernet cabling

Tools VERITAS Netbackup 6.0/6.5, Tivoli Storage Manager 5.x, sendmail

Languages Shell scripting, C, C++, JAVA, PL/SQL, HTML, JavaScript, J2EE, JSP, Servlets

Databases Oracle 10g/9/8, MYSQL, DB2/UDB, MSACESS

Networking TCP/IP, DNS, NFS, NIS, SSH, DHCP, Cisco Routers / Switches and LAN

Web Technologies Apache 2.0, Weblogic 8.0/9.0/9.1/9.2/10.3, WebSphere 5.0/6.0/6.1, JBoss,IIS

Design Work & Documentation Corel Draw 12.0, PageMaker, FLASH, Video Editing: FLASH, FCE 4.0(Mac OSC), Corel Movie Maker (Windows X platform), Windows Movie Maker (Vista Version), MS-Office 97/2000/2003/2007, Open Office

Management Handling, Managing, Monitoring & Assisting as an Individual or as a Group Member

Experience:

KOHL’S, Wisconsin 2010 Feb – till date

Linux Systems Administrator

Responsibilities:

• Install, Build, Configure and Upgrade the IBM-Blade Servers for various projects such as

Business-Intelligence-Infrastructure, BMC Remedy Upgrade, Oracle Coherence and Xinet

Expansion

• Configure and test network parameters for the Blade Servers, debug with netstat and dig tools

and prepare them for the further installations

• Kick-start the Blade Servers with MM Management Console using remote CD/DVD option or

via the Red Hat Satellite Server install option

• Install Red Hat AS@5.4 and register the OS via the RHN network

• Build file systems for Test/Dev, QA & Production Environments appropriate to the build specs

• Build, install and integrate Red Hat AS@5.4 OS on VMWARE-VSPHERE and accommodate

the hardware resources to the Virtual Servers

• Configure SAN on multipath and prepare the servers according to the Oracle Standards

• Create & modify the User Aging and controlling the access permissions of the Users such as

“allow scp, deny ssh” access methods

• Manage Tivoli Identity Manager (ITIM) for User access to various servers on the Test, QA and

Production environments

• Install and configure ESP & Netcool Monitoring tools for all the Linux Servers

• Manage and deploy appropriate packages for the Red Hat Clients via Channel setup configured

in the RedHat Satellite Server

• Troubleshoot the potential issues faced by the Oracle and other Middle-Ware groups and provide

sudo access to Special Users in the Test & QA domains & provide support while installing the

application software

• Inspect & investigate the Blade Hardware Configuration for the Web & Intelligent

Servers as per the build-docs and manually plug-in the Blades & prepare them for further

Remote Console build process

• Install & configure Red Hat Clusters on GFS2 file system

• Monitor the Server functionality, generate an accurate report of the statistics of all the built-

servers and document the necessary patches, upgrades or packages installed

• Involved in Shell, Perl Scripting for Automated System Management tasks like User account

creation, file system size monitoring, monitor system resources

• Created Disk groups, Volumes, Volume Groups, and RAIDs on local disks and SAN disks

provisioned to the Servers

• Used Dtrace, Strace, Truss and TOP commands for troubleshooting and diagnosis

• Involved in automating Data Backup and Restore functions using Tivoli Storage Manager

• Take up Project Requirements from the Project Mangers and coordinate with Senior Engineers

and initiate the project as per the company standards

• Monitored the performance of the system using ps, prstat, vmstat, mpstat, perfmeter, netstat,

iostat and rpcinfo to check the CPU utilization, bottlenecks of I/O devices, Memory usage and

Network traffic

Environment: Red Hat Enterprise Linux – AS@5.4, AIX 5.x/6.1, IBM-Blade Center (Chassis, Blades (HS-20,

HS-22 & Racks) Windows 2008, Oracle 10g, Kick-Start Installations, Tivoli Storage Manager, SAN Storage,

GFS2, EMC Storage, VMware-Vsphere, TSM, ESP, NetCool, ITIL

DIRECTV, California 2009 May – Jan 2010

Linux Systems Administrator

Responsibilities:

• Responsible for installation, configuration patching, administration of OSes like Red hat Linux,

AIX and Windows systems

• Monitor & support the Application Team activities and configure the Servers as specified

• Configured and managed the Red Hat Servers by registering them to the Red Hat Network and

deployed appropriate packages using up2date agent

• Configured and administered DNS, NIS, NIS+ and NFS, Send Mail and involved in

troubleshooting DNS issues

• Documented system resources, configurations, performance and procedures.

• Involved in Configuring/Troubleshooting Internet Firewall, Protocol Firewall, DMZ Zone,

Proxy Servers and Trusted zone

• Provided problem resolution for system hardware, software, and/or Operating Systems and

developed specialized automated Scripts for Performance Monitoring of

System Hardware and/or Software, and to assist other groups in completing their tasks

• Involved in Adding new disks, Formatting, Partitioning and Disk Space Allocation for Blade

Servers involving Dell Chassis

• Perform incremental data backups using TSM

• Monitoring System Performance, System Tuning, System Security and Disaster and Crash Recovery Planning and related technical issues

• Tuning file systems, Kernel Parameters and OS setup for Oracle, Web logic, Web sphere

• Automated processes by developing system start-up scripts using Perl, Bash

Environment: Enterprise Linux 5/4/3, HP UX 11i, AIX 5.x/6.1, Windows 2008, Oracle 10g, SUN Servers, Linux,

Jump Start, Veritas Volume Manager (VVM), LDAP, WebSphere MQ Series 6.0/5.3, EMC Storage SAN,

VMWare Servers, Jboss 5.0

Chep USA, Florida 2009 Jan - 2009 April

Unix/Linux Administrator

Responsibilities:

• Built and managed network servers

• Responsible for installation, configuration, and administration of Solaris 9 and Red Hat Linux on x86 architecture

• Performed daily housekeeping functions, such as establishing new accounts, creating and

resetting passwords, performing system backups and recovery, installing software patches and updates

• Performed deployment activities, environment support including installation, configuration

diagnostics, planning and upgrades for Jboss Application Server

• Configured and maintained DNS and NFS for Linux platforms

• Wrote and modified shell scripts (Perl, C, ksh) & Cron to perform Automated Administration Tasks

• Installed and Configured Apache Web Server, Apache HTTPD Web Server, Red Hat JBoss Server and also configured Kickstart Server to install Red Hat Linux on multiple machines

• Created disk groups, volumes, volume groups and configured RAIDs

• Liaised with DBA team for performance issues, network related issues on Unix Servers and

with vendors for hardware related issues

• Setup LFS clusters on RHEL5.0 for high performance and load balancing

• Installed setup and configured Squid Proxy server on RHEL 4/5 for web client requests

• Setup access controls, User Authentication and transparent proxy for Squid on RHEL 4/5

• Monitoring Squid Resource Usage, tuning Squid Performance Maintenance and supporting

Squid

• Configured Firewalls on RHEL 4/5 using IPTABLES, IPCHAINS and TCP Wrappers for

Credit authorized applications

• Built, configured and installed client application specific RPMs using wget

• 24/7 continuous on call support for all Linux Servers (1000+)

Environment: Sun Solaris 9/10, Red Hat Linux 4, Windows 2000/2003, Intel servers, Sun Ultra Enterprise 4500,

Vmware, VERITAS Volume Manager, VERITAS Netback up 5.0, Perl Scripting, NIS, NFS, LDAP server, Weblogic,

Apache Tomcat, EMC Storage SAN

Synopsys Inc., California 2008 Jan – 2008 Dec

Linux Systems Administrator

Responsibilities:

• Installation, Configuration and Troubleshooting of Linux and Windows Servers

• Provide Remote support for Ubuntu, Cent-OS and Windows Servers

• Installed and configured Linux based Mail Server using Postfix, Send Mail and Fetch Mail

• Implemented Apache Web Server and hosted Websites

• Configured NFS Servers and Clients

• Implemented DHCP servers

• Performed integration between different Operating Systems such as Windows using Samba Server and Roaming Profile

• Developed Linux based Proxy Server with User Authentication and URL Filtering and User

based Bandwidth Allocation with Web Access Report Generator (SARG)

• Proved the acumen in Users Management including Groups, Permissions, Editors, Process, File

Systems & Network services

• Installed and configured Suse Linux and configured DNS for DNS services effectively

• Efficiently maintained Security and Internet Services including system maintenance

• Install maintain and monitor Citrix 4.1 XenServer

• Supported and troubleshoot end-user issues in connecting to Citrix Sever

• SE-Linux policy writing for new process

• Provided excellent technical and resolved many bug fixes

• Setup ESP scheduler for the client in Windows environment

• Achieved efficient and timely coordination between teams by establishing solid Cross-

Functional Relationships and involved in ITIL standards implementation

Environment: Enterprise Linux 5/4/3, HP UX 11i, Windows 2008, Linux, Citrix 4.1 XenServer, Jump Start,

Veritas Volume Manager (VVM), LDAP, WebSphere MQ Series 6.0/5.3, EMC Storage SAN, VMWare Servers,

Jboss 5.0

AIG, Atlanta, GA 2006 Feb - 2007 Dec

Linux System Administrator

Responsibilities:

• Provided round the clock On-Call Support in debugging and fixing issues related to Solaris,

Red Hat Linux, AIX, HP-UX, JBOSS and WebSphere Servers

• Created mount points for Server Directories, and mounted directories on the Servers

• Created Jumpstart image for Solaris 9/10 and configured new Linux and Windows servers

• Administration of NFS, NIS, DNS, Samba and Send Mail Servers

• Setup and maintained NFS, NIS, HTTP, SSL, CGI, JSP, LDAP, NIS and TCP/IP network,

configured the systems for TCP/IP Networking with the existing LAN, setting up SSH and SCP

features between SUN systems and other UNIX hosts

• Install and configure DHCP, DNS (BIND, MS), Web (Apache, IIS), Mail (SMTP, IMAP,

POP3), and File Servers

• Involved in Security Administration, User Administration, Disk Management, Daily Backup

and Restore operations, networking service, performance, and resource monitoring

• Configured and resolved - LAN and TCP/IP issues and Generated reports to show the trends of

Resource Utilization, User/CPU/network load

• Wrote and modified shell scripts (Perl, C, ksh) & cron to perform automated administration

task

• Managed Data Centre Backup and recovery operations utilizing StorageTek tape libraries and

Legato Networker software

• Installed and Configured Apache Web Server, Apache HTTPD web server, Red Hat JBoss

server and also configured Kickstart server to install Red Hat Linux on multiple machines

• Provided security with the using SSH, SSL, IPchains, IPtables, TCPWrappers

• Installed, configured an maintained Suse Linux Servers and migrated Ubuntu Servers to

Suse environment

• Performed routine check on the systems and using admin tools like admintool, smit, linuxconf,

Vmsat, iostat, TOP, traceroute, ping, sar, nTOP, webmin

• Configured, deployed and administered IIS 6 server for Apache HTTPD services

• Involved actively in Red Hat Satellite Server implementation, and performed Administrative tasks

such as adding users, groups, systems, manage packages using Red Hat Up2date agent & traceback operations

• Performance analysis of the environment, documenting solutions in complicated issues

Environment: Red Hat Linux 4, Sun Solaris 10/9, Intel servers, Apache Server, IIS, Sun Ultra Enterprise 4500, Dell

PCs & Compaq PCs, VERITAS Volume Manager, PHP, VERITAS Netbackup 5.0, Sybase 11.5.1, Perl Scripting, Sun

Grid Engine (SGE) 6.0, Apache

American Gateway Bank, Baton Rouge, LA 2004 July - 2005 July

UNIX Support Engineer

Responsibilities:

• System administration tasks on Solaris, Linux environment in Oracle Internal Servers

• Worked as an Internal Team Member to support more than 1000 UNIX/Linux Servers and

Storage Subsystems

• Worked on all kinds of Problem and Change tickets

• Installation and Upgradation on Solaris servers. Patching them according to Oracle Standards and

recommended by the DBAs for their applications

• Created Oracle Database snapshots as per user’s request

• Controlling Process and System Resources using HP Process Resource Manager (PRM)

• Maintained a local Weblogic AS, Apache web server running on a Solaris server

• Configuring and managing NFS with AutoMount

• Installation and configuration of Solaris Volume Manager

• Trouble-shooting of Volume manager objects with VxFS

• Configured different RAID levels using Veritas Volume Manager

• Switching the service groups between cluster systems

• Configuring Veritas NetBackup policies and schedules as per the client requirement on target file

systems

• Automatically and manually firing backups / archives, using previously configured backup

policies

Environment: Sun Solaris 8/10, Red Hat Linux Enterprise 4.0, HP-UX 11i, Veritas Volume Manager 4.0, SunFire E12K, E15K, HP Superdome and Dell Servers, EMC Clarion CX-400/500/600/700, Apache WebServer 2.0

ELECTRONICS CORPORATION OF INDIA LTD., 2003 July - 2004 June Systems Engineer:

Responsibilities:

• Installation, configuration and administration of 1000+ Red Hat Linux servers and support for

Servers

• Installation, maintenance and regular upgrades of Red Hat Linux Servers using kickstart based

network installation

• Configured and maintained SAMBA for sharing files between Windows and Linux Platforms

• Installed, configured and maintained DHCP server

• Provided intensive support in the maintenance of SAMBA and NFS having a common volume

• Installed, configured and maintained HTTPD server for Intranet specifications

• Installation, Configuration and Troubleshooting of Linux and Windows Servers

• Provide Remote support for Linux and Windows Servers

• Maintained system configuration files to handle high volume data

• Ensured and maintained the stability of POP, POP3, SMTP, Sendmail & IMAP mail servers

• Setup backup methods like tar, cpio, dump (ufsdump)

Environment: Red Hat Linux 7.3, Red Hat 9, Fedora Core 1, 2 and RHEL ES 3.0, Samba, NFS, HTTPD, DOVECOT, SMTP, SENDMAIL & IMAP Servers, Hardware: Dell Servers and Intel Boxes

References: Available upon request

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