SUMMARY:

• Over seven years of focused IT experience in System Administration, specializing in Solaris, AIX, Linux and Web sphere.
• Experienced in the installation, support, configuration and maintenance of Sun Solaris, Sun Ultra Enterprise Servers/workstations, Linux, and Windows7 under heterogeneous environments.
• Hands on experience with Sun Solaris 2.6, 8 , 9 10 operating Systems on Ultra Enterprise class servers E6500, E5500, E3500, E450 Sun fire Servers from Sun Micro Systems Fujitsu Prime power 250,450,650 .
• Hands on experience in migration the existing Sun Solaris servers from 8 to 10.
• Hands on experience in migration the existing SAP Data from LUN to NFS version 3.
• Hands on experience in IP Multipathing on Solaris 10.
• Configured Jumbo Frames on Solaris 10 servers
• Installed and configured NIS environment.
• Installed and configured NFS/Auto Mounter for distributed applications.
• Experienced with UNIX Shell Scripting.
• Implemented and configured SSL, requested digital certificates, created self-signed certificates and imported/exported public/private keys.
• SAN EMC migration from DMX to clarion
• Experienced with the installation, configuration and administration of VERITAS Volume Manager 3.2, 3.5,4.0
• Experienced in RAID Mirroring, Stripping plus Mirroring RAID-0 1 , stripping with parity.
• Experienced in the installation, support, configuration and maintenance of Web sphere servers 4.0/5.1/6.0/6.1.
• Experience in Installing, configuring, deploying and testing applications using Web sphere 6.0.
• Proficiency in architecture, installation, setup and configuration of IBM Web sphere Application Server 4.0/5.x.
• Expertise in administration, configuration and performance tuning of Web Sphere Application Server 4.x/5.x/6.x.
• Monitored Web sphere Application using Wily Introscope.
• Hands on experience in migrating the existing configuration and applications from Web sphere 3.5 to 4.0/5.0, 5.0 to 6.0 and 5.1 to 6.1.
• Installed and configured Tivoli Workload Scheduler on AIX 5.2.
• Involved with troubleshooting and performing daily system health check of Tivoli Workload Scheduler.
• Installed and configured IIS 4.0/6.1 on NT and Windows 2000 platforms.

TECHNICAL SKILLS:

Hardware:

SUN Sparc Servers, SUN Ultra Sparc Servers, 1, 2, 10, Enterprise Server 250, 450 E220 R, E3500, Sun Fire 3800, 4800, 6800, 6900 15K, Fujitsu Prime power 250,450,650.IBM RS/6000

Operating Systems:

SUN Solaris2.6,7,8,9, Sun OS 4.x, Red Hat Linux 5.6 to 7.2, AIX 5.2, Windows NT Windows 8/7/XP/Vista Windows Server 2003/2008, UNIX-Linux Solaris.

WORK EXPERIENCE:

UNIX Administrator

Confidential

Responsibilities:

• Installed Red Hat Linux, Solaris, AIX servers for production, development.
• Installed Java, Perl, C, and C compilers for application development department.
• Setup and configured Opsware for all patch management schedules.
• Configured Jumbo Frames on Solaris 10 servers
• Completed tests of High Availability of all operating system/software to ensure the continuity of service.
• Installed, Configured and maintained the optimum Backup Solution.
• Optimally configured Network Interfaces.
• Configured and supported Netbackup, Tivoli TSM, Client and server Backup software 6.0 for nightly backup schedule.
• Installed Veritas Volume Manager for mirroring and raid level configurations on EMC storage. .
• Responsible for installation/configuration of hardware and software, migrating systems to current OS releases, upgrading software and tools
• Installed Veritas Cluster Server 5.0 for automatic fail over of servers.
• Installed/Configured Apache, PHP, And MYSQL web server configurations.
• Wrote and maintained korn and borne shell scripts for all environments.
• Configured and installed Raptor firewall software.
• Configured and maintained NFS, DNS clients and Autofs File systems.

Environment:

Solaris 8/9/10, AIX 5.2, HP-Unix 11i, SUSE Linux 9.2, VERITAS Volume Manager 5.x/6.x, SAP 4.5/6.0, IE7, IE6, IE8, Firefox, Windows XP, HTML, Oracle, MS Office and MS Visio 2007.

UNIX Administrator

Confidential

Responsibilities:

• Installed, configured maintained Sun Solaris 10/9/8/7/2.6 on various SUN servers.
• Hands on experience in migration the existing Sun Solaris servers from 8 to 10
• Handled Kernel Turning to provide operating system performance.
• Hands on experience in migration the existing SAP Data from LUN to NFS version 3.
• Oversaw and verified the Hardware Installation and Configuration of New Servers.
• Hands on experience in IP Multipathing on Solaris 10.
• Configured Jumbo Frames on Solaris 10 servers
• Completed tests of High Availability of all operating system/software to ensure the continuity of service.
• Installed, Configured and maintained the optimum Backup Solution.
• Optimally configured Network Interfaces.
• Used SMIT to administer AIX 5.2 based servers.
• Managed NFS, NIS, servers.
• Responsible for installation/configuration of hardware and software, migrating systems to current OS releases, upgrading software and tools
• Assisted the SAP Basis team and reviewed the required maintenance tasks.
• Assisted the Oracle-DBA team and reviewed the required maintenance tasks.
• Configured and maintained Logical Volume Manager using VERITAS Volume manager 4.1/5.1/6.1.
• Installed and configured VERITAS Cluster, VERITAS Netback up for backup VERITAS Volume Manager 4.1 for Mirror Raid 5.

Environment:

Sun Solaris 8/9/10, AIX 5.2, HP-Unix 11i, SUSE Linux 9.2, VERITAS Volume Manager 5.x/6.x, SAP 4.5/6.0, IE7, IE6, IE8, Firefox, Windows 7, HTML, Oracle, MS Office and MS Visio 2007.

UNIX Administrator

Confidential

Responsibilities:

• Installed, configured maintained Sun Solaris 9/8/7/2.6 on various SUN servers.
• Responsible for Nestle's UNIX servers and applications running on UNIX, Websphere and Tivoli platforms. The environment consisted of hundreds of Solaris, AIX and Linux based servers.
• Oversaw and verified the Hardware Installation and Configuration of New Servers.
• Handled Kernel Turning to provide operating system performance.
• Completed tests of High Availability of all operating system/software to ensure the continuity of service.
• Assisted the development team and reviewed the required maintenance tasks.
• Reconfigured the File system/Network Interfaces and resolved the Security issues.
• Installed, Configured and Maintained the optimum Backup Solution.
• Optimally configured Network Interfaces.
• Implemented security in systems and network for all Sun Enterprise Servers Desktop Servers.
• Created maintained user Accounts using Shell Scripts.
• Used SMIT to administer AIX 5.2 based servers.
• Installed Apache webserver on Linux Servers.
• Handled Day-to-Day operation of all servers running Production jobs, Backups, Restores and Report generations.
• Handled housekeeping tasks such as tape management.
• Handled Package and Patch Administration, software Installations.
• Handled email Administration Troubleshooting
• Involved with Data Transmission for remove servers using scripts, monitoring the Data Link and File System Administration
• Configured DNS servers.
• Configured security packages such as tcpd, filter, etc.
• Handled troubleshooting the configuration file, configured the Boot file for the Domain Name Server to boot, configured the Zone database, updated the Zone database.
• Provided technical expertise necessary to Identify and implement short-term resolution of production issues.
• Managed NFS, NIS, DNS and DHCP servers.

Environment:

Sun Solaris 8/9/10, AIX 5.2, Red Hat Linux 7.2, IBM Websphere 5.x/6.x, Apache, Veritas Volume Manager 5.x/6.x, Tivoli Workload Scheduler 8.2 .NET, Java, IE7, IE6, Windows XP, VB Script, HTML, MS Office.

Systems Administrator

Confidential

Responsibilities:

• Installed, configured handled troubleshooting of Solaris 2.x on Sun Enterprise Servers, Sun Sparc Servers.
• Administered the Network of 300 Unix Users using Shell Scripts
• Administered NFS.
• Set up the Domain Name System by configuring the DNS primary, secondary and DNS Clients and configured the database files.
• Monitored the Network and System Performance through vmstat, iostat, graphed tool MRTG and SEtoolKit 3.0.
• Configured backup and restoration of data from tape in Dump and Tar format using Shell Scripts
• Implemented backup strategies based on the company policy using Shell Scripts.
• Recovered data from server after a ROOT file system crash.
• Created and added Swap Space at runtime.
• Configured additional storage devices, partitioned hard disk based on the project requirement.
• Installed several security packages like tcpd, tcpwrappers ASSET.
• Implemented security in systems and network for all Sun Enterprise Servers Desktop Servers.
• Created maintained user Accounts using Shell Scripts.
• Handled Day-to-Day operation of all servers running Production jobs, Backups, Restores and Report generations.
• Handled housekeeping tasks such as tape management.
• Handled Package and Patch Administration, Software Installations.
• Handled email Administration Troubleshooting
• Involved with Data Transmission for remove servers using scripts, monitoring the Data Link and File System Administration
• Coordinated with service providers for LAN/WAN communication.
• Worked with heterogeneous Client Server management.
• Backed up and restored data from tape in ufsdump, tar, cpio dd format.
• Configured DNS servers.
• Configured the Send mail configuration file, created e-mail ids, created alias database.
• Handled troubleshooting the configuration file, configured the Boot file for the Domain Name Server to boot, configured the Zone database, updated the Zone database.

Environment:

Sun Solaris 8/9/10, AIX 5.2, Red Hat Linux 7.2, IBM Websphere 5.x/6.x, Apache, Veritas Volume Manager 4.x/5.x, Tivoli Workload Scheduler 8.2.