SUMMARY

• Over 7 years of professional experience as a System Administrator in various environments including Sun Solaris, Red Hat Linux and SuSE Linux platforms.
• Experience in installation, configuration, upgrade, maintenance, performance monitoring and troubleshooting of Sun Solaris 8, 9 and 10 and RHEL (Red Hat Enterprise Linux) 4.x, 5.x and 6.x and SuSE 10 and 11 on various types of servers.
• Efficient in installation, configuration and implementation of RAID using various tools like Veritas Volume Manager, Logical Volume Manager and Solaris Volume Manager.
• Experience in implementation of high availability using Veritas Cluster Server 4.x, 5.x.
• Creation and maintenance of virtualized environments with Solaris Zones on Solaris 10 servers.
• Experience with installation, maintenance and troubleshooting of RHEL 4.x, 5.x, 6.x on VMware based environments.
• Experience with working on ZFS file systems which included tasks such as creation, mirroring, cloning and perform snapshots.
• Configuration and Administration of NFS, DNS, NIS, DHCP and LDAP on Solaris and Linux.
• Installing, performance tuning and troubleshooting of various Application Servers/Clients like Tomcat, Oracle, and Apache.
• Experience in implementing backup solutions using Veritas NetBackup 4.5, 5 and 6.5.
• Good knowledge in Shell scripting using bash, sh, ksh, and PERL
• Experience in solving day - to-day operational issues and technical issues on system integration and managing user and security administration.
• Proficient in Performance Monitoring of CPU, Disks, memory and Network.
• Excellent knowledge of SAN Administration, LAN/WAN/Subnets/VPN/Firewalls, TCP/IP networks, OSI layers, and Client/Server architecture.
• Good knowledge in Load Balancing.
• Documenting processes, best practices, troubleshooting procedures, presentations on intranet servers which include wikis.

TECHNICAL SKILLS

Operating Systems: SOLARIS 8, 9,10, RHEL 4.x, 5.x, 6.x, SuSE 10,11.

Hardware: Sun Fire E25K, E4800, E6800, E6900, M5000, M8000, v490, v890, T2000, T5120,T5240, T5520, x4100, x4250, 280R, 220R, 420, 450, E4500, 10, 20, SUN Ultra SPARC Servers, 1, 2, 10, Enterprise Server 250 0 R, E3500, A1000, D1000, 3510, 3511,HDS 9980, StorageTek L700e, Dell 6800, 6850.

DISK Management and Cluster: Veritas Volume Manager, Logical Volume Manager, ZFS and Veritas Cluster Server Management.

Scripting: Bash, sh, ksh, csh, Perl

Database Servers: Oracle 8i, 9i and 10g on Solaris and RHEL and Windows (NT/XP/2003/2008)

Networking Protocols: TCP/IP, PPP, SMTP, SNMP, SMTP, DNS, NFSv2, NFSv3, FTP/TFTP, UUCP, HTTP, NIS, NIS+, DNS, DHCP, Telnet, Rlogin

PROFESSIONAL EXPERIENCE

Confidential - Chicago, IL

System Administrator (Solaris/Linux)

Responsibilities:

• Installed, configured, supported and administered large, global and mission critical UNIX Servers in Production and Development environments which include Solaris 9, 10, RHEL 4, 5, 6 and SuSE 10, 11.
• Used the Jumpstart to automate Solaris and kickstart for Red Hat Linux installation.
• Implemented virtualization using Solaris zones.
• Administered the Veritas Cluster Server (VCS), Fail over test of VCS service groups, building VCS cluster servers, adding/modifying VCS resources such as File Systems instances.
• Installation and support of the Oracle 9i, 10g, Apache 2.2.x, Tomcat, WebLogic 9.x, 10.3 applications on Solaris 9, 10 and RHEL 5.
• Administered volumes using Veritas Storage Foundation and performed tasks as bringing LUNs assigned under the control of VxVM, resizing volumes, importing and deporting disk groups.
• Configured NIS, DNS, Open SSH, FTP and Samba on Solaris and RHEL.
• Created disk groups, volumes, volume groups and RAIDs using Veritas Volume Manager and Solaris Volume Manager.
• Upgraded Solaris 9 to Solaris 10 using live upgrade and tested the compatibility of applications.
• User Management: Performed ID management tasks by creating and deleting users, password resets, granting access on various applications and assigning additional privileges using RBAC and sudo.
• Created Korn and Perl shell scripts to monitor system resources and system maintenance and scheduled cron jobs for job automation.
• Worked with storage team in migrating application data from Clarion and symmetrix to Vmax in both standalone, virtual and clustered environment.
• Involved in cold pull and hot pull migrations on various servers with assistance from storage team.
• Involved in frame based migration and also host based migration.
• Worked with Solaris and Linux(DM) Multipathing
• Involved in troubleshooting and configuration for data center operations, including hardware and software failures for various UNIX servers - provided 24 x7 support.
• Documented installation procedures, changes required in present environment.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.

Environment: Solaris 8, 9, 10, RHEL 4, 5, 6, Veritas Volume Manager 4.1, 5.x, WebLogic 9.x, 10.x, Oracle 9i, 10g, 11g, Apache 2.2.x, Sybase 12.5, SunFire V440, V490, E2900, E6800, E6900, T2000, T5120, T5240, Veritas Cluster 5.x, Veritas Netbackup 6.x.

Confidential - New York, NY

UNIX System Administrator

Responsibilities:

• Solaris 10 build and configuration using Jumpstart and Flash Installation specifically on Sun SPARC T2000 and M5000 Servers for testing and production environments.
• Applying patch bundles on all types of servers to get them to the latest kernel patch level.
• Upgrading system firmware on various types of servers which included V440, V490, V890, E, M4000 and M5000.
• Creation of file systems using ZFS and setup quotas in zpools, zpool mirroring, adding storage to the zpool, setting up devices in the zpool using RAID levels.
• Administration of Services using SMF. Error detection and Observation of services
• Implementation of non global zones for Oracle and SAP. Patching of zones and migration of zones from Sun v440 to Sun M5000. Solaris10 migration from E220, V440, V 00.
• Performed volume management using Veritas Storage Foundation 4.1, 5.0 which included the encapsulation, initialization, root disk mirroring, and export/import of disk groups.
• Installation, configuration and troubleshooting of Veritas Cluster Server 5.0 for High Availability and configuring a fail over Cluster. Adding and removing nodes from a cluster configuration.
• Implementing virtualization using VMware ESX 3.5, vSphere 4.0, Solaris zones and Xen Server.
• Implemented Veritas Cluster 5.0 for Oracle 10g, Sun JES Web Server 6.1 and SAP agents.
• Installation and management of applications like Apache 2.2, Tomcat, Sun JES Web Server 6.1, Oracle 10g and Sybase 12.5 on Solaris 10.
• Installation and upgrades of multipathing software EMC Power path from 4.x to 5.x.
• Assistance to the storage team on SAN migrations from an old storage array to a new storage array which included labeling the new luns, copying the VTOC, migrating the data using OM (Open Migrator) software.
• Automated repetitive administrative tasks like parsing of files, creating users, backing up file systems, transfer of files for ftp and sftp etc. using bash, korn shell.

Environment: Solaris 10, Veritas Cluster Server 5.0, Veritas Storage Foundation 5, Veritas Netbackup 6.5, Oracle 10g and Power path, Microsoft Windows 2003, Sun servers E220, V440, V890, M5000, T2000, Dell PowerEdge 1850, Dell PowerEdge 2850, Sun Storage 7110

Confidential - Houston, TX

Solaris System Administrator

Responsibilities:

• Installation of Solaris 9 and 10 OS, and Patches. Installation/Upgrade of Enterprise Servers to meet specific test setup requirements.
• Installed and configured Zones/containers on Sun Servers.
• Creating LDOMs and configuring them on sun cool thread T2000 servers.
• Administration of Veritas Volume Manager for mirroring and implementing RAID 5
• Installed, configured and maintained VERITAS Volume manager for A1000, A5200 and SAN storage.
• Installed and upgraded Veritas NetBackup that included creating Classes, defining Class attributes and Schedules, adding new clients.
• Implementation of NFS, NIS and DNS environments on Solaris 10 and RHEL.
• Implementations of protocols like SSH, SFTP, FTP and LDAP using Open SSH.
• Installed and configured remote HP-Proliant DL 360G5 (VM) Servers using ILO and installed RHEL 4.x, 5 as the guest operating systems.
• Performed physical machine to virtual machine (P2V) using VMware infrastructure client.
• Troubleshooting Production Server Problems related to web applications, Cluster failover, disk space, File system, DNS and network connectivity.
• Shell scripting using ksh, PERL, to automate the test procedures, transfer of data, processing of flat files etc.

Environment: Solaris 8,9,10, RHEL 4.x, 5.x, SunFire 4500/6500/440/420 r/Netra T1 Sun Fire V880/V490, Sun Sparc T2000, M5000, T5200, T5240, Sun Storage A1000, A5200 and SAN storage, enabled iPlanet 4.1SP7/6.0, Apache web server 2.x and Web Logic 9.x, VERITAS Netbackup 5.0, VERITAS Volume Manager 5.1, Veritas Cluster Server 4.x, SAMBA, NFS, DNS, Open SSH, LDAP.

Confidential

Sun Solaris Administrator

Responsibilities:

• Installed Sun Solaris 8 and 9 on Sun Server E220R, V480.
• Installed and supported Oracle database on Solaris 8/9
• User administration and system maintenance on Solaris and Linux servers.
• Administered software packages and patches on servers and workstations.
• Experience with Active directories in both Solaris and Windows
• Setting up fail-over feature of network cards.
• Mirroring of disks in Sun Solaris using Sun Solstice Disk Suite
• Experience in using Veritas Netbackup.
• Configured NFS server to share resources across multiple servers.
• Administration of UNIX servers in TCP / IP network environment.
• System accounting and disk space usage monitoring.
• Installed and partitioned disk drives.
• Created and maintained file systems to ensure access to system, application and user data.
• Trouble shooting of hardware, operating systems, third party applications and scripts.
• Configured and administered backups of UNIX systems.
• Configured sendmail in order to send mails regarding the status of servers.

Environment: Sun Solaris 8.0, Oracle 8, NetApp Filers, Redhat Linux, Veritas Netbackup 4.x.