TECHNICAL SUMMARY

• 8 + years of experience with Unix System Administration on Sun Solaris 2.10/2.9/2.8/2.7/2.6, Red-Hat Enterprise Linux, IBM-AIX, HP-UX.
• Experience inSolarisupgrade toSolaris10from prior versions likeSolaris8, 9using live upgrade.
• Expert in setting up servers, managing users, security administration, backup & recovery and maintenance of various Day to day activities.
• Package and Patch administrationincludingimplementation of DST packages.
• Installation and administration ofVeritas Volume Manager 3.5, 4.x, 5.0, SolarisVolume Manager and Logical Volume Managerwith theimplementation of RAID 0, 1, 1+0, 0+1and5.
• Experience with the installation ofVeritas Cluster Server 4.xand design, implementation of High Availability clusters.
• Experience with backup and recovery using Veritas Netbackup 4.5, 5.x/6.x.
• Experience and knowledge in installing, configuring and troubleshooting VMWARE server across different platforms.
• Experience and knowledge in SAN, NAS, LVM, tape library, Send mail, FTP, SSH, TCP/IP, Apache, SMF, ZFS, SUN Virtual Container and Zoning technology(Sparse & Whole Root), Branded Zones.
• Extensively worked in converting physical environment to virtual using zones, domains.
• Expertise in planning andbuilding secured systems and hardeningof serversinSolarislikeNIS, DNS, DHCP, LDAP Server and sharing services like Apache and Samba.
• Excellent working experience with Network topology WAN/LAN and TCP/IP and UDP.
• Managed NetApp Snapshot, SnapRestor and migrated data on primary storage, secondary storage, and tape.
• Resolution of technical issues on system integration and support. Software package deployment, disaster recovery/contingency of business management.
• Worked on Incident Management, Problem Management & Change Management.
• Involved in writing shell scripts for monitoring system usage and recovery strategies and automation of jobs.
• Responsible for maintaining security on all UNIX system for regulatory compliance.
• HandledKernel Turningto improveOperatingsystem and application performance.
• Experience working in Production, QA, Development, Testing and LAB environment.
• Resolution of day to day tickets from users as per SLA.
• Experience in dealing with Business partners, Clients, and Management.
• Good communication skills, working without supervision, working in team environment.
• Knowledge on ITIL process.
• Ready to work with 24X7 shifts.

TECHNICAL SKILLS

Operating systems

Unix, Sun Solaris 2.x/6/7/8/9/10, X86, RHEL 2.1/3/4/5, HP-UX, IBM-AIX, and Windows Vista/NT/XP/2000/9X.

Hardware

x64 Servers, SPARC Servers 1000, 2000, Sun Ultra Enterprise Servers (E3000, E3500, E4000, E4500,E5000, E6500 E450, E420R, E220R, M5000) SunFire (6800/4800/v880/V890/V490/V480/V240/ E15K /E25K), Sun workstations (Ultra 5, 8, 10, 20, Blade 100, 150, 2000) IBM F-Series and P-Series, IBM RS6000, Sun StorEdge Array 3900/5200.

Cluster Services

Veritas Clusters, Sun Clusters

Protocols

TCP/IP, UDP, IPMP, FTP, NFS,SNMP, ICMP, TELNET, DHCP, ISP

Naming Services

DNS, NIS, LDAP

Web/Application Server

Tomcat, Apache, IBM RSA/WAS, Web Sphere, WebSphere MQ Series.

RDBMS

Oracle 8i/9i/10g, Sybase, SQL Server, DB2

Scripting Languages

Born, Bash, KSH & Perl

PROFESSIONAL EXPERIENCE

Confidential,New Jersey, Sr. UNIX System Administrator, Sep 09 – Till Date

• Installed, configured and Operating System upgrade on Sun Solaris 8,9,10, HP - UX, AIX 5.3 and Red Hat Linux AS 3.0 on Sun Servers.
• Jumpstart the servers.
• Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery.
• VERITAS File system(VxFs) and VERITAS Volume Manager(VxVm) 3.2 are used to configure the RAID 1 and RAID 5 Storage Systems and Monitor Storage.
• Solaris OS install, patching, package installs, software fixes.
• Installed Solaris Zones/Branded Zones/Containers and Domain setup.
• Patching servers with multiple zones in less downtime.
• Created/Administered ZFS files system in Solaris zones/containers
• Hands on experience with NFS, NIS, LDAP, DNS.
• Installed and configured SAMBA server for Windows and Linux connectivity.
• Install/Support Apache server and web applications.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Planned and implemented Disaster Recovery sites from the scratch.
• Installed Java and other applications requested by application owners.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
• Installed/configured and maintained Weblogic 9.0 and 10.0 on UNIX servers and tuned /etc/system for Web Logic on Sun Servers.
• Managed system performance like tuning the kernel parameters based on the application/database requirement.
• Involved in the Implementation of Sun Fire 4800/6800, VERITAS Cluster Server 3.5/4.0 environment.
• Designed and administrated server consolidation program through use of VMware ESX server and VMware Virtual Center. I wrote the strategy document, designed and administrated the environment. The environment has grown to over 30 ESX hosts and 250 Virtual machines production environment. I have also designed the performance monitoring processes and improved disaster recovery processes to utilize virtualization benefits.
• Managing printers (network, local, remote and serial) using jetadmin, admintool and lpadmin utility.
• Good knowledge over the H/W console administration.

Environment: Sun Solaris 8,9,10, Red hat Linux AS3.0, VERITAS Volume Manager, Solaris Volume
Manager, LAN, WAN, Solstice Disk Suite, VERITAS Cluster Server, Web logic 8.1, Samba, Oracle 9i/10g.
Servers: Sun 15K, 25K, Sun Fire 6800, 4800, V890, V880, V490, V480 and V210

Confidential,Sr. UNIX System Administrator, Aug 06 – Sep 09

• Administration / installation /upgrade and maintenance of SUN Servers [solaris8, 9 and10] using Solaris interactive installation using C.L.I, Solaris jumpstart, flash archives, WANBOOT installation and upgrade method.
• Setting up ALOM [sc] configurations in sun T2000,V245,210,V125,V440,V445 and configuring RSC on sun V-890 V-480,490’s .
• Designing, Installation configuring and testing of TCP/IP based servers like DNS, NFS, NIS services under SUN SOLARIS in the intranet
• Installation and Configuration of security software (E-Trust),specialized products such as TSM-5.3,Altiris-6.2,bladelogic-7.4.3,harvest-3.1,Tivoli-5.3,tracker-fix level-13a
• Configuration and Troubleshooting of Sendmail-8.13
• EMC disk configuration for Web, Application and Database servers from host side
• Setup Automatic Backup and Restoration using Veritas NETBACKUP 6.0, 6.5
• Installed and configured Sun Cluster Server-3.2 on Solaris
• Administering file systems and recognizing file access problems and Disk problems using Veritas Volume Manager-5.1.
• Experience in LDOM’s server virtualization with Solaris zones and ZFS file systems.
• Experience in creating state data base replicas with SVM software.
• Installation and configuration of Veritas cluster-5.0 and experience in implementing VCS (global) failover in production and disaster recovery environments.
• Installed BMC patrol & Netbackup clients in new build servers.
• Installed/configured and maintained Linux Servers and applications.
• Supported different SAP modules and Applications and IBM FileNet.
• Hardware migrations of old hardware to a new hardware involved with OS versions (8,9and10) within allowed downtime which includes verifying server inventory for the Omega and 55W Data Centers.
• Design and maintain mission critical applications in 24*7 support on UNIX servers
• Writing Perl, shell, python scripts for automation of log activity of application process and CRON jobs.
• Experience with web design skills like PHP, Apache, ASP.NET, JavaScript.
• Analyzed and Handled Hardware problems/failures like Memory, Disk\'s, CPU\'s, Control Board, FDDI, SCSI Interfaces Etc.
• Monitoring Disk Activity Checking for free space Removing temporary Core files
• Involved in UNIX deployment staff meetings and have done peer reviews on all UNIX servers.
• Involved in documenting the technologies implemented and KT to other System Administrators

Environment: Solaris 2.8,9,10. Shell (KORN, Bourne), Sun Cluster 2.2/3.0
Servers: Sun M5000, T5120, Sun V880, V890, V480, V490,Sun-T2000, Sun E220R, Sun E420R, Sun
E450, Sun E1000, Sun E3000, Sun E3500, Sun E4000, Sun E4500, Sun StorEdge Array 3900/5200

Confidential,Bangalore, UNIX System Administrator, Sep 2003 - June 2006

• Administration / installation /upgrade and maintaining of SUN SPARC Server with Solaris 2.6.
• Carried out Jump Start installations over the Network on various Sun boxes.
• Installation & Configuration of Acer & Compaq Dell Servers with Microsoft Windows NT & Microsoft Windows 2000 professional.
• Designing, Installation configuring and testing of TCP/IP based servers like DNS, NFS, DHCP services under SUN SOLARIS in the intranet
• Worked on Veritas Volume Manager
• User account Management in a complete NIS environment, with all the user home directories in auto mounted production systems.
• Creating, Updating, and maintaining the NIS databases Creating NIS Clients
• Monitoring & Managing applications like SAMBA, Apache.
• Used Solstice Admin Suite for various Administration purposes
• Installation and administration of cluster, including AIX HACMP and VERITAS Clustering on Solaris
• Automated server backups on a monthly, weekly and daily basis using Shell Scripts.
• Experience in HP-UX 11.23 & HP-UX 11.11, HP VPAR.
• Users, Groups creation and assigning permissions to them
• Backup and Restore using tar and dump
• Added new hardware to systems (Disks, Tapes). Created new file systems
• Adding more resources like Memory and CPU\'s, and increasing the swap.
• Helping “operations and development team” by installing and configuration of new software’s and scheduling crontab jobs.

Environment: Solaris 2.6,7,8,9, Linux, HP-UX 11.11, AIX, Solstice Admin Suite, Shell (KORN, Bourne)
Servers: - E4500, E5000, and E6500

Confidential,Hyderabad, System Network Engineer, Dec 2002 - Aug 2003

• Maintenance and Installation of Unix Servers - Solaris - 2.5.1
• Responsibility for Security administration viz. patching and updating Linux, Windows 2000 and Solaris Servers against vulnerabilities.
• Increasing/creating a new file system based on request.
• Monitoring system performance, tune-up kernel parameter, adding /removing /administering hosts,

users, disks on DNS /NIS domain,

• Maintenance of NFS server with Auto mount
• Implementation of Fault Tolerance on SCSI drives -RAID Level 0,1 & 5 using Mylex DAC960 PCI Raid

Controller Card (DAC960PL).

• Managing cron jobs, batch processing and job scheduling.
• Data consistency of file system using fsck and other utility.
• Adding more resources like Memory and CPU\'s, and increasing the swap.
• Writing shell scripts to automate system Process like backup of data from the server.

Environment: Solaris 2.5.1, HP-UX, Shell (KORN, Bourne), Servers: SPARC 2000, E4500

Confidential,Hyderabad, System Engineer, Dec 2001 to Nov 2002

• Loading and configuring 50 workstations with Solaris.
• Installing and partitioning disk drives. Creating, mounting and maintaining file systems to ensure access to system, application and user data.
• Creating and managing Group/User Accounts and assign Privileges.
• Backup and Restore using tar and dump.
• Monitor and tune the Server for better performance.
• Develop new shell scripts to suit current environment.
• Added new hardware to systems (Disks, Tapes and CD\'s). Created new file systems.
• Designing, Installation, Configuring and Testing of TCP/IP based servers like DNS, NIS+, DHCP services under Solaris in the intranet.
• Maintaining appropriate file and system security, monitoring and controlling system access, changing permission, ownership of files and directories, maintaining passwords, assigning special privileges to selected users and controlling file access, monitoring status of process in order to increase the system efficiency, scheduling system related and cron jobs.

Environment: Solaris 2.5.1, Shell (KORN, Bourne), Servers: SPARC 1000, SPARC 2000

EDUCATIONAL QUALIFICATION

Bachelor of Sciences