Summary:

• Over 7 years of experience as UNIX Admin in SUN-SOLARIS (10, 9, 8), Red Hat 3/4/5, HP-UX, AS 400, AIX, Ontap 7 and Windows, knowledge in computer hardware and I/O devices.
• Building Sun servers with Solaris 10, Jumpstart, Red Hat Linux with Kickstart, Wanboot, RBAC, and Solaris Live Upgrade (LU).
• Experience using diagnostic and debugging tools such as Dtrace, snoop, tcpdump, nmap and Top etc in UNIX environment.
• Worked on group/user administration, startup and shutdown scripts, crontabs, file system maintenance and backup scripting and automation (Perl, Bash, Korn) in Solaris/Linux (RHEL) 5.x.
• Strong experience in System Administration, Installation, Upgrading, Patches, Migration, Configuration.
• Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX (SUN Solaris, Red Hat Linux) Systems.
• Experience in Zone Creation on Solaris 10. Configured and InstalledSolaris zones (containers) using utilities.
• Zonecfg, Zoneadm etc and also worked on the creating branded zones (creating Solaris 8/9 on a Solaris 10 server).
• Experienced in maintaining file systems and creating ZFS.
• Involved in complete Administration tasks on UNIX (SUN Solaris, Red Hat Linux) and documentation for the projects executed.
• Installed, monitored and supported Web and Application Servers on Solaris and Linux environments.
• Good knowledge on operating systems architectures.
• Strong technical background in Storage, Disk Management, Logical Volume Management (LVM) and logical partitioning.
• Experience in Creating new file systems, mounting file systems and un mounting file systems, Hands on experience in Tivoli Storage Manager (TSM), VERITAS DMP multipathing, Solstice DiskSuite (SVM).
• Experience in installing the VERITAS, installing and configuring the VERITAS cluster server (VCS), using the VERITAS storage administration (VERITAS volume manager, VERITAS file systems) for the SAN configuration.
• Good knowledge of open source Tripwire a software security and data integrity tool.
• Experience in Hitachi SAN Storage administration using Meta, VxVM.
• Experienced in DNS, NIS, NFS, CIFS, FTP, NIS, Samba Server, LDAP, remote access, security management, and system troubleshooting skills.
• Experience on upgrades of Solaris, Sun Hardware, HP-UX and AS-400, patches, Veritas S/W. Disaster recovery, VeritasNet Backup, IAS Backup, Watchers and also Oracle & third party software.
• Experience working with SAP ERP development team, TIBCO EMS.
• Experience in installation and configuration of WebSphere, Apache, IPlanet, BEA WebLogic, LDAP, and mail servers.
• Experience with Windows server management, IBM Systems director management servers.
• Good experience with SQL, MYSQL query handling.
• Excellent client relation skills and the drive to complete tasks effectively, and efficiently where customer services and technical skills are demanded.
• Ability to communicate effectively with all levels of management, and the client community.
• Provided production support in an on-call rotation in a 24x7 environment.

Professional Experience
Confidential Salt Lake City, Utah Oct 2009 – present SOLARIS/Linux System Administrator

• Administration/Installation of the Unix Servers (Solaris and Linux).
• Installation of patches and Packages on production and development systems for system maintenance in Solaris/Linux, HP-UX OS.
• Worked on creating, administering and migrating zones in Solaris 10.
• User administration, management and archiving on Solaris and Linux.
• Maintaining the CPU and memory utilization of Unix Servers. (Solaris & Linux)
• Experience working in VmWare ESX (VSphere) 4.x hypervisor for virtualization to install the X86 OS including RHEL, Solaris 10, Windows OS.
• Worked with various server (Solaris and Linux) performance tools like vmstat, prstat, top, iostat, sar, netstat Etc.
• Participation in change control activities, involved in memory sizing of different applications using HP AS400.
• Troubleshooting network issues and response problems on SUN servers, RedHat.
• Creating new file systems, managing and checking data consistency of file systems.
• Configuration management and change control processes, ITIL Process Planning, BladeLogic, Opsware, Tripwire.
• Jumpstart, Kickstart, FTP server maintenance and client installations for performing Solaris and Linux operating system installation at a time.
• Maintaining NFS, Samba and NIS on SUN, RedHat servers.
• Experience in installation/configuration of hardware and software, migrating systems to current OS releases, upgrading software tools.
• Responsible for data backup and restoration services with ufsdump, ufsrestore.
• Experience with adding and configuring devices like hard disks etc.
• Setup SAN resources, create Zones and assign Lun’s to the servers and maintain multiple apps running on the same OS (Solaris 10).
• Perform day-to-day system administration task in Solaris/Linux (RHEL) 5.x OS.
• Create Korn Shell & perl scripts to monitor server logs, collect system information etc
• Administered security, users, groups’ administration and daily backup and restore operations, networking service, performance, and resource monitoring and performed disaster recovery management procedures.
• Administration responsibilities include user, group, disk, and security management, File sharing Permissions.
• Generated reports to show the trends of resource utilization user/CPU/network load using Voyence, HP NNM, SolarWinds.
• Assisted other UNIX administrators when help was needed (i.e. creating UNIX accounts, writing scripts to perform System administrator functions, responding to trouble tickets, etc), Root Cause Analysis.
• Setup of Sun servers in SAN environments.
• Install updated patches for the Solaris OS.
• Upgrade/manage Oracle 11g.
• Install/configure document management software Microsoft Sharepoint.
• Provide support for more than 150 sun servers in a large environment.
• Write shell scripts to perform various system administration tasks.
• Monitor system logsand troubleshoot errors related to it.
• Experience working in AIX 5.3, 6.1 OS versions.
• Created LPARs, WPARs in AIX 6.1 using the HMC.
• Document all the major activities. Prepare installation and migration plans

Environment: Solaris 8,9,10, RedHat 3/4/5, AIX 5.3/6.1, SUN M-5000, E220R, E420R, E6500, X2100, X2200, V240, V490, V880, 280R, x-2100, Korn Shell Scripting, Samba, IAS, VeritasNet backup, TCP/IP, vmstat, netstat, iostat, SNMP and NFS.
Confidential Atlanta, GA June 2008 – Sep 2009
Solaris/Linux System Administrator

• Experienced in installing, configuring and administering of different Unix Flavors like Solaris, Linux (Red hat 4.x, 5.x), HP-UX, AS 400, and AIX in physical and virtual environments.
• Experienced in installing, configuring, administering and migratingZones.
• Experience in applying upcoming Packages and Patches to SUN, Linux (Red hat), AIX, Ontap 7.
• Worked extensively with Service Management Facility (SMF).
• Experience working in VMware ESX (VSphere) 4.x hypervisor for virtualization and installed different OS such as Solaris, Linux (RHEL), Windows.
• Performed Vmotion using the VCenter 4.0 on the ESX machines for migrating the VMs online.
• Experienced with numerous types of Networking and Computer Hardware such as IBM, HP, and DELL etc.
• Experience with network monitoring tools like MRTG, NetQos, wireshark.
• Experienced in solving Memory, disk CPU and network related utilization problems.
• Worked on shell scripting in regards to UNIX admin to automate the services.
• Experienced with Korn, Perl, bash, python, awk, java scripting languages.
• Experience in programming using C.
• Experience using IBM Direct management servers.
• Experienced working in a Production, Development and Testing environment.
• Maintenance of DNS, NIS, NFS, NTP, Samba, SNMP, VPN, HTTP, SSH.
• Jumpstart and Kickstart server maintenance and client installations.
• Server performance Troubleshoot using vmstat, prstat, top, iostat, SAR Etc.
• Worked on different file systems with different Raid Level like Mirroring, Raid 5 in Solaris/Linux (Red Hat 5.x) OS.
• Administration of Solaris Volume Manager and VERITAS Volume Manager using Sun Servers.
• Administration of LVM in RHEL servers for management of file systems.
• Administration of cluster using VERITAS Clusterserver 5.x in Solaris/Redhat OS, IBM HACMP.
• Experience working with different cross functional team like Network, DBA (Oracle, SQL, MYSQL and Sybase) and Application/Tool.
• Good experience with SQL, MYSQL query handling.
• Experience with Rack mounting and cabling of servers in Data Center.
• Experience working with IBM General Parallel File System (GPFS).
• Knowledge and administration of VeritasNetbackup.
• Experience of HP Load runner in a testing environment.
• Development of test procedures and custom system/network monitoring solutions and database queries.
• Experience supporting production systems in an operations environment running Solaris and Linux.
• Installing and configuring dozens of Solaris environments including X4100, X4200, X4600, T2000 and X4150.Upgrading X4600 to X4600M2.
• SUN hardware and RAID technologies. Supporting SUN and EMC storage systems.
• Installing DNS severs and updating DNS A record and CNAME.
• Solaris operating system and their tuning and configuration.
• Experience using ESB software architecture.
• Installing and maintaining Linux (kick-start) and Solaris 10 (Jump-start).
• Good Communication skills, working independently; as well as working in a team environment.
• Backup and recovery through VeritasNetbackup, Legato, L-25, L-40 UFS dump and Restore.
• Experience working with IBM servers.
• Experience working with Google Search Appliance.
• Experienceworking in AIX 5.2, 5.3, 6.1 OS versions.
• Experience of virtualization using IBM PowerVM
• Created LPARs, WPARs in AIX 6.1 using the HMC.
• Replacement of hardware in case of failure like HDD, CPU & amp; Motherboard.
• Experience in installing, configuring webservers (apache 2.x), app servers (WebLogic 10.x, Informatica, Websphere, Oracle, Quantum) in Solaris, Linux (Red Hat), Websphere in AIX.

Environment: Solaris 8, 9, 10, AIX 5.3/6.1, Red Hat Linux 3/4/5, VxVM, VCS, SVM, VERITAS Netback up, WebLogic, apache, SSH, SNMP, DNS, TCP/IP, NIS, NIS+.

Confidential Atlanta, GA Mar 2007 – April 2008
UNIX System Administrator

• Administration/Installation of the SUN Solaris 8/10, Linux (Red Hat) 3/4/5, HP-UX.
• Auditing the servers and installation of patches on production and development systems.
• Maintaining DNS, NFS and NIS on UNIX servers.
• Administrating file system using VERITAS Cluster 4.x.
• Worked on creating and administeringzones in Solaris 10.
• Performed Virtualization using VSphere 3.5, workstation 5.x, install windows, Red Hat, Solaris OS.
• User administration, management and maintenance of user profiles, home directories, permissions across different files.
• Maintaining the CPU and memory utilization.
• Worked with various tools like SAR and top.
• Experience working with SAP ERP development team.
• Preparation of performance acceptance criteria drafts for newer applications.
• Experience working with ZFS file systems; create snapshots on the pool storage, cloning ZFS etc.
• Experience performing multipathing using MPXIO in Sparc/X86 platforms running Solaris.
• Participation in change control activities, involved in memory sizing of different applications.
• Troubleshooting network issues and response problems on servers.
• Creating new file systems, managing and checking data consistency of file systems.
• Configuration management and change control processes.
• Capacity planning and performance tuning of Solaris and Linux servers.
• Experience using Cognos Business Intelligence and Performance management software (BMC Patrol).
• Participate in teaming activities to help define, develop and improve other infrastructure engineering processes and tools like ITIL etc.
• Experience in installation/configuration of hardware and software, migrating systems to current OS releases, upgrading software tools.
• Administration of VeritasNetbackup
• Experience with adding and configuring devices like hard disks etc.
• Installation and configuration of Directory servers.
• Creation of new Schema and modification on the requirement.
• Creation of LDIF files on the requirement for creating new DN, new Organizational Unit, new users etc.
• LDAP Administrationwhich includes concepts such as maintaining users in an Organization Unit, perform master-slave replication using slurpd replication, syncrepl for master-master replication inopenLDAP 2.4.x running across different versions of Solaris/Linux (RHEL) 5.x.
• Experience installing different application servers such as WebLogic, JBoss, Tomcat, SAS, Endeca, Clarity, Percussionand webservers such as apache, SunOne, LAMP etc based on the requirements on the apps.
• Documentation of the new server setup for installing the Solaris 10, Linux (RHEL) 5.x to make things easier for new installation.
  

Environment: Solaris 8/10, Linux, Sun 6800, 220R, Sun 440, HP Superdome, VERITAS Volume manager, SunCluster,VeritasNetbackup, NFS and NIS, SunOneLDAP, OpenLDAP, VSphere, VMware Workstation.
Confidential American Fork, Utah Aug 2006 – Feb 2007
System Administrator

• Installation and configuration of Solaris 8/9, Red Hat 3/4 OS versions.
• Package and Patch Administration for different operating systems such as Solaris, Red Hat OS.
• VERITAS Cluster Administration 4.x running in Solaris, Linux and worked in setting high availability in case of any failure in network, reachability for the servers.
• Solstice Disk SuiteAdministration configured RAID 0, RAID1, RAID 01, and RAID 5 for different disks (internal or external) storage running in Solaris OS.
• Experience performing LVM operations in Linux (RHEL) 4.x to set up file systems.
• Solstice Backup using RAID1 which consists of mirror replication of the sub mirror.
• User Administration set up NP logins for users and modifying the permissions, home dir etc for users belonging to different groups.
• Query handling experience with Oracle, SQL.
• Network troubleshootingconcepts for the IPs in the same domain, reachability etc in Solaris/Linux (Red Hat) environments.
• Responsible for data backup and restoration services using the TSM backups in Solaris/Linux (Red Hat), restore the data using the old node name into the new server after the upgrades are done.
• Tape library Administration for storing the backup data on the servers in a daily basis.
• Remotely giving Technical support to all ten locations spread all over India.
• Disk management, Resource managementfor zones running on the same physical servers and the VMs running in different VMware hypervisor.
• Troubleshooting of NFS related problems in UNIX environment.
• Troubleshooting of day-to-day problems including the network issues, file storage, application issues, memory etc.
• Replacing particular hardware in case of failure using the metareplace for the disks, replacing memory slots on the server.
• Administration, maintenance and monitoring various day-to-day operations in the performance of applications running in the middleware utilities.
• Processes administration and management like monitoring, start/stop/kill various processes/sub process.
• File System administration and management like monitoring various logs, file system sizes etc.
• User administration and management like add/change/delete individual users in Solaris/Linux (Red Hat) OS versions.
• User profiles, security authorizations etc maintenance for users already set up on the server.
• Maintaining and changing file systems & disk assignments using meta disk
• Installation/Upgrade, System Startup & System Shutdown as needed.
• Monitor System Performance Parameters using iostat, vmstat and fine-tuning.
• Customized the user CDE environments and user profiles.
• Scheduled various regular, periodic, future queue tasks by using crontab.
• Resolved system errors and crashes, disk space problems, huge file sizes, file system full errors.
• Administration and trouble shooting skills on Disks & File Systems, Users & Groups.
• Documented various regular administrative tasks and backup procedures etc.
• Working knowledge in services like Rlogin, Telnet, FTP, X-Window System etc.
• Experience in networking and TCP/IP services, network security, IPsec.
  

Environment: Solaris 8, Linux, SF4800, E250, E450, Legato Backup, T3, T4, A1000 Solstice Disk Suite, VERITAS Volume manager, Legato, Ufsdump and recovery, Tar, VERITAS Cluster 4.0 and NFS.
Confidential Bloomington, IL Jan 2005 – July 2006
System Administrator

• Administrator in Solaris Production (Versions 8, 9), Red Hat 3support team.
• Solaris 9 and Solaris 10 Administration, Red hat administration.
• Escalate and resolve technical issues to the vendors and provide feedback to the Engineering team for the necessary enhancements and patch requirements.
• Interact with DBA and Application groups to recommend hardware, performance related configuration and data protection plans.
• Identify the low utilized servers and clone them as virtual servers using Solaris10 zones.
• Recommended and security patch installation for already existing packages, patches installed in the Unix (Solaris/Red Hat) operating systems.
• Automated OS installations using jumpstart, set up jumpstart clients and install the Solaris OS over the network.
• Setup and administration of VERITAS Net Backup, VERITAS Volume Manager and Cluster Server.
• Establish Connections and configure systems to Hitachi 9990 based SAN.
• Perform Solaris upgrade to latest version and application administration.
• Provide daily system administration and on call support on Solaris and intranet application environment.
• Maintenance of system and troubleshooting daily calls.
• Coordinate for change management and configuration management.
• Deploying packages in to production and non-production environment.
• VERITAS Volume manager Administration across different flavors of UNIX such as Solaris/Red Hat OS.
• NIS, NFS and DNS Administration in Red hat/Solaris operating system.
• Setup two Sun Fire V440 servers with Solaris 9 Operating System
• Configured RAID for root mirror on Hardware RAID to increase the write speed on the servers.
• Installed and configured VERITAS cluster 4.0 for high availability.
• Setup and administration of VERITAS Cluster Server 4.0 for Solaris 9 operating systems.
• Solstice Disk suite configured for Disk Partition and mirrored.
• Performed WebLogic 8 installation on the Red Hat/Solaris OS, created JDBC, JMS, managed servers, cluster set up in WebLogic 8.

Environment: Solaris 8,9, RedHat3,VERITAS 4.0, Sun V440 servers, VeritasNetbackup, Hitachi SAN, WebLogic 8.
Confidential July 2003 – Nov 2004
Junior System Administrator

• Systems support for more than 1000 Solaris hosts which are running on Solaris 2.5,6,7 and 8 versions.
• Daily Unix server support which includes installation, configuration and troubleshooting of Sun systems(2.5,2.6,7 &8) and Red hat Linux 9 servers
• Worked with the entire Operations team consists of team size of 25.
• Vendor Management with HP as part of the client support.
• Microsoft Exchange mail server 5.5 Administration.
• Sendmail Administration in Solaris/Linux operating systems.
• Recommended and Security patch installation.
• Router and Switch configurations.
• Make recommendations to improve and implement system changes to enhance overall performance.
• Responsible forCapacity planning,NIS, Apache Web server, Load Balancing, DNS and NFS management.
• Maintenance of DNS, NIS, NFS, NTP, Samba, SNMP, VPN, HTTP, SSH.
• Provide support for more than 150 sun servers in a large environment.
• Write shell scripts to perform various system administration tasks.
• Monitor system logs and troubleshoot errors related to it.
• Document all the major activities. Prepare installation and migration plans.

Environment:Solaris 6/7/8, Red Hat Linux 2.1, Microsoft Exchange mail server, NIS, Apache, DNS.