SUMMARY

• 8 years of Strong Experience in LINUX/UNIX Administration, Shell Scripting with expertise in Red-hat Linux 3, 4 and 5, Solaris 8, 9 and 10. HP-UX 11.i, AIX 5.1, 5.3 and 6.1, Windows 2003, WebLogic 10.x , WebSphere JAVA, J2EE Applications and SQL.
• Strong in troubleshooting, monitoring, training and 24/7 production support in mission critical environments Worked with systems support team to define, architect and maintain highly available production systems.
• Expertise in Installation, Configuration, Integration, Tuning, Backup, Crash recovery, Upgrades, Patching, Monitoring System Performance, System and Network Security and Troubleshooting of Unix Servers.
• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server, Sun Cluster, Redhat Cluster, HP Service Guard and HACMP.
• Configured and used Jumpstart, Kickstart, Ignite and NIM to install OS.
• Worked on Solaris 10 Container Technology. Created and maintained local zones.
• Managed resources for zones using Solaris 10 container technology.
• Solaris Live Update Technology associated with an operating system upgrade or maintenance.
• Strong experience in VERITAS Clusters in supporting high availability mission critical servers.
• Experienced with the installation, configuration and volume/File system management using Veritas Volume Manager VxVM , Logical Volume Manager LVM and Solstice Disk Suite Solaris Volume Manager .
• Backup management and recovery policies using VERITAS Net-Backup.
• Experience in creating physical volume, logical volume, volume groups using LVM's in Linux/AIX, HP-UX ITANIUM and PA-RISC and SVM, GFS global file system and ZFS in Solaris.
• Proficient in Networking, configuring TCP/IP, DNS, NFS, NIS, NIS , SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP.
• Experience in VMware Installed and monitored Virtual environments with ESX 3.x servers and Virtual Center 2.X
• Experienced in working with Storage Area Network SAN , EMC CLARiiON CX, EMC Symmetrix DMX, EMC MirrorView, HP storage and Hitachi data storage.
• Expert in Installation, configuration of Patches and Packages.
• Worked on Puppet, HP Opsware, Nagios, Nimbus, Spectrum, Cacti monitoring, configuration management softwares.
• Experience in installation, configuration and administration of WebLogic and Websphere ,Websphere MQ Servers.
• Proficient in Installation, Configuration, Support Maintenance of various Sun Sparc Enterprise hardware's and RedHat5.x Linux Servers located at Remote Locations. Deployment of Application Software E-Com/J2EE, B2B, B2C, Oracle, Sql Server, ERP SAP, Oracle Apps, People soft

TECHNICAL SKILLS

PRofessional summary

Confidential

Unix/Linux Administrator

Responsibilities:

• Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
• Experience with implementation and maintain SQL cluster for the production environment. Implemented SQL server management studio for configuring, managing and administering the SQL Cluster.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Creating LPARs on p550 and p570 using HMC, configuring VIO server, creating volumes using LVM.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Applied appropriate support packages/patches to maintain system integrity.
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.
• Installation and administration of RHEL 4.0/5.0, Solaris 9/10, AIX 5.3/6.1 and Suse 10.x.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Installing hardware, cabling, decommission old systems in data center.
• Creating virtual machines using Xen hypervisor on xen servers, installing Redhat, CentOS using kickstart and Cobbler.
• Worked with project manager and auditing teams to implement PCI compliance.
• Jumpstarting Solaris 9, 10 on Sun servers, configuring servers. Configured/Maintained Zones, LDOMs, ZFS filesystem Sun Solaris 10 Servers.
• Management and monitoring of various services using Service Management Facility and Service Administration.
• Installing, configuring Veritas Netbackup 6.5 on linux, solaris servers, creating backup polices.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager Solaris Volume Manager. File system Tuning and growing using VERITAS File System VxFS , coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Configuring, adding Oracle ASM disks to database server. Creating, managing raw volumes using LVM.
• Organized various meetings with teams as mentioned above for tracking their requirements as inputs to get this done and designed the plan/steps involved and took user approvals.
• Setting up network environments using TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP and Proxy.
• Installation, maintenance and administration of Oracle and Db2 Server on Sun Servers.

Environment: Solaris 2.9 / 2.10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 DMX4, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Confidential

Unix/Linux Administrator

Responsibilities:

• Installation, configuration, administration of RHEL 5, 6 and Solaris 9, 10 using Kickstart, Jumpstart, custom configuration like package management, volume management of servers.
• Applied appropriate support packages/patches to maintain system integrity.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager LVM commands.
• Creating, installing and configuring Zones, LDOMs in Sun Solaris 10.
• Creating virtual machines, cloning, creating templates, adding storage, installing Redhat, performing vmotion, adding ESX hosts on Vsphere 4.0.
• Creating file system, exporting, importing file systems, tuning, growing, shrinking using Veritas File system 5.x.
• Troubleshooting and administering High Availability using VERITAS Cluster Server on various business critical database application production servers.
• Used puppet to configure servers manage profiles, push changes, writing manifests.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring.
• Troubleshooting and configuring NAS and NFS mount points.
• Worked on Openstack Havana creating virtual machines, tenants, customizing the server based on requirmenets.
• Adding Oracle ASM disk to the server. Creating managing volumes using LVM.
• Installing, configuring Veritas Netbackup 6.5 on Solaris, Redhat servers, creating polices, scheduling jobs.
• Installed Web Logic 10.3 and configured Domains, Admin and managed servers for Applications to be deployed.
• Extensively used Active Directory Server Console for managing the entries.
• Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
• Build LPAR system and Installed AIX 5.3 and 6.1 on LPAR using NIM Power 4, 5 and 6 systems and Upgraded Maintenance level as well.
• Installed and verified that all AIX/Linux patches or updates are applied to the servers.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Monitored server and application performance tuning via various stat commands vmstat, nfsstat, iostat etc and tuned I/O, memory, etc.
• Coordinated with the Storage, Network and Hardware teams on server provisions HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers .

Environment: RHEL 5.x,6.x, Red-Hat Linux Enterprise servers HP Proliant DL 585, BL 465/485,ML Series , Solaris 8,9,10, AIX 5.3, 6.1, SAN Netapp , BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6, ,VMware Virtual Client 3.5, VMware Insfrastructure 3.5.

Confidential

Unix/Linux Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of OEL, Linux, Sun Solaris, AIX, HP-UX systems.
• Performed automated installations of Operating System using Jumpstart for Solaris and kickstart for Linux.
• As a Solaris administrator primary responsibility includes building of new servers which includes rack mounting, installation of OS, configuring of various OS-native and third party tools, securing of OS, installing configuring, job scheduling.
• Installation and configured Solaris 10 with Zones, Containers and Ldoms.
• Extensively worked on hard disk mirroring and stripe with parity using RAID controllers.
• Involved in Server sizing and identifying, recommending optimal server hardware based on User requirements.
• Installation and configuration of Veritas Storage Foundation Suite::Veritas Volume Manager, Veritas File System, Veritas Cluster Server and Oracle SF RAC.

Installed the Operating System on Solaris and Linux servers and Blades over the network.

Built servers according to standards specified as per individual applications

Created File systems from local storage as well as NFS partitions for application portability

• Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.
• Build LPAR system and Installed AIX 5.3 and 6.1 on LPAR using NIM Power 4, 5 and 6 systems and Upgraded Maintenance level as well.
• Installed and verified that all AIX/Linux patches or updates are applied to the servers.
• Configured HACMP 4.5 to monitor, detect and react to failure events, allowing the system to stay available during random, unexpected software problems and also configured to react to hundreds of system events.
• Installing, administering Redhat using Xen, Oracle Virtual Machine based hypervisors.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.

Monitored server and application performance tuning via various stat commands vmstat, nfsstat, iostat etc and tuned I/O, memory, etc.

Coordinated with the Storage, Network and Hardware teams on server provisions HP Proliant DL385/585 G5, G6 servers, and HP BL 465C G5 blade centers .

Environment: RHEL 5.x,6.x, Red-Hat Linux Enterprise servers HP Proliant DL 585, BL 465/485,ML Series , Solaris 8,9,10, AIX 5.3, 6.1, SAN Netapp , BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6, ,VMware Virtual Client 3.5, VMware Insfrastructure 3.5.

Confidential

Linux/Unix Administrator

Responsibilities:

• Installation and administration of RHEL 4.0/5.0 and SUSE 10.x.
• Configured kickstart server and updating/applying patches to the servers using Redhat Satellite server.
• Remote system administration using tools like SSH, Telnet, and Rlogin.
• Responsible for maintenance of development tools and utilities and to maintain shell, Perl automation Scripts.
• Custom build of Windows 2003 and Windows 2008 servers which includes adding users, SAN, network configuration, installing application related packages, managing services.
• Adding servers to domain and managing the groups and user in AD, installing and configuring sendmail.
• Monitored system activities and fine tuned system parameters and configurations to optimize performance and ensure security of systems.
• Performed capacity analysis, monitored and controlled disk space usage on systems.
• Applied appropriate support packages/patches to maintain system integrity.
• Installation of packages, patch management, volume managment on Suse servers using YaST.
• Automation of jobs through crontab and autosys.
• Installation, configuration and administration of VMware, Solaris Zones, Containers and Ldoms.
• Planning and implementing system upgrades including hardware, operating system and periodical patch upgrades.
• Worked with project manager and auditing teams to implement PCI compliance.
• Build LPAR and DLPAR system and Installed AIX 5.2, 5.3 on LPAR using NIM.
• Installed and configured Virtual I/O Server V1.3.01 with fixpack8.1.
• Integrating Weblogic 10.x and Apache 2.x and deploying EAR, WAR files in Weblogic Application servers.
• Management and monitoring of various services using Service Management Facility and Service Administration.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager Solaris Volume Manager. File system Tuning and growing using VERITAS File System VxFS , coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, SunFire V440/880, DMX 3 DMX4, Siteminder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Confidential

Unix Administrator

Responsibilities:

• Incident management for Unix Servers Solaris, Linux .
• Involved in Building and configuring Solaris 8/9/10 using Jump start server and Red Hat Linux Servers using KickStart server as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Installation and configuring of SUN Solaris and Linux servers.
• Primary responsibility includes building and supporting Solaris/ Redhat Linux 3,4 servers.
• Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
• Extensive use of Veritas Volume Manager for Disk management, file system management on Sun Solaris environment.
• Implemented SUDO, SSH and other security tools and implemented SOX Sarbanes Oxley security compliance.
• Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat, WebSphere and Weblogic application server.
• Created Zetabyte file system ZFS in Solaris 10. Created zpools. Exported ZFS from local zones to local zones.

Environment: Solaris 8/9/10, Red Hat Linux 4/5, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory , BEA Web logic servers,SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.