SUMMARY

• 7+ years of extensive experience in System administration and application support working on RedHat Linux4.x/5.x, VMWare ESX 3.5/4.0 & 4.1, Solaris 8/9/10, SUSE Linux 10 & NetApp.
• Installation, Configuration, backup, recovery, maintenance and support of Solaris, RedHat Linux.
• Performed patches and provided 24x7 support for large scale datacenter environment.
• Installing, upgrading, and configuring RHEL 3/4/5/ 6 using Kickstart and RedHat Satellite server.
• Experience with provisioning EMC Clariion and EMC Symmetrix disks for RHEL/Solaris OS.
• Moving RHAS machines from physical to virtual including VMware ESX 3.5 and VSphere 4.0
• Responsible for setting up three node Oracle RAC and Veritas RAC for RHEL5 servers.
• Involved in installation, migration and implementation on NetApp systems.
• Responsible for supporting 200+ servers of Redhat 4, 5, 6 and Solaris 10.
• Created Aggregates, Volumes, and Qtrees and setup quotas on NetApp filers.
• Experience in Installation, Configuration and Troubleshooting of various web server issues including Apache Web Server 2.x/1.x, Tomcat 5.x/4.x/3.x.
• Good experience in setting up of RAID0, RAID1 (mirroring) and RAID5 for data redundancy.
• Experience in working with Cisco SAN fabrics and EMC storage devices, including Centera, Clariion.
• Experience in Migrations using different software's like EMC open migratory, LVM, and rsync.
• Experience working Red Hat GFS and Veritas Cluster File systems.
• Coordinated with DBAs to tune kernel for Oracle installations on Red Hat Linux.
• Configured and Installed HPILO (Integrated Lights Out Advanced Lights Out).
• Creating and maintaining user accounts, profiles, security, rights, disk space, and process monitoring.
• Configured Network Concepts NFS, DNS, NIS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Responsible for setting up Linux, Apache, MySQL and PHP website.
• Installation and configuration of web hosting administration such as FTP/SSH/HTTP/telnet.
• Strong knowledge of system performance and monitoring tools.
• Running security scans and remediating Servers to meet enterprise standards.
• Installing, configuring, and maintaining Samba Web Servers, WebLogic and WebSphere Application Servers, and Oracle, SQL and Sybase database technologies.
• Installing and upgrading VMware tools on client machines.
• Installed and configured Ksar 5.0.4 for system activity in the RHEL 4 and 5.
• Capable of quickly learning and delivering solutions as an individual and as part of a team.
• Managed Patches, Upgrades and Licensed Products for System software on all flavors of UNIXand LinuxServers.

TECHNICAL SKILLS

Operating systems: Red hat … SuSE … and AIX …

Scripting: Shell & Perl Scripting.

Virtualization: VMware.

High Availability: VERITAS Cluster Service, Red hat Pacemaker HA DRBD, IBM AIX HACMP.

Automation Tools: CFEngine, Puppet.

Ticketing Tools: Remedy, Impact, Maximo, Clarify, Service Now.

Hardware: IBM x3650, p6/p7 Servers, HP BL* Gen6/7/8, DS2K and N - series Storage.

PROFESSIONAL EXPERIENCE

Confidential, OH

Unix/Linux Admin

Responsibilities:

• Installation and configuration of RHEL 6.4/6.5, SLES … on Physical &Virtual servers.
• Decommission ofLinuxPhysical &Virtual servers.
• IBMLinux/AIX System Administrator & IBM Blade Center with 8+ Years of working experience of providing system administration services in … through a direct interaction with end - user with a response time of few minutes on IBMLinux, AIX, TSM, VMware and Storage administrations.
• Hands-on experience on OS Patching for SUSE & RHEL servers twice a year.
• Hands-on experience on CFENGINE and Puppet automation tool.
• Experience on OpenAis "SLES" and pacemaker "RHEL" high availability (HA cluster) systems.
• Experience with Kick-start installation of Red hat servers.
• Creation, extension and decommission of file systems. Experience with Yast2, LVM, Mirroring, User & System Resource management, SWAP Space management, job scheduling.
• Responsible for Documenting AIXLINUXand TSM procedures.
• Experience in System Administration includes System Builds, Server builds Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning Systems.
• Good understanding of error logging subsystem and Performance Monitoring tools like VMstat, iostat, net stat on AIX &Linuxsystems.
• Good knowledge onUnixShell Scripting and Python scripting.
• Installation, Configuration and maintenance of Hosted VMware products.
• Experience in deploying virtual machines using templates and cloning, taking backup with a snapshot. Moving VM's and data stores using vMotion and storage vMotion in VMware environment.
• Provided production support in an on-call rotation in a 24x7 environment, coordinated with Application teams, change management. Expectations to meet deadlines related to SLAs with the customer.
• Capable of working as a Team Member or Individually with minimum supervision.
• Flexible and versatile to adapt to any new environment with a strong desire to keep pace with latest technologies.
• Good Team Player with excellent communication, Strong Computational, Analytical, verbal and writing skills along with strong management, organizational and mentoring skills.

Environment: RHEL 6.5, VMWARE, IBM AIX 6,7. HACMP, VIO, EMC, Pacemaker Cluster Services, Jenkins CI, AWS, VERITAS, Puppet, Asgard, Nexus.

Confidential, Plano, TX

Unix/Linux Admin

Responsibilities:

• Responsible for Designing, Building, installation, Configuration, security, backup, recovery and upgrades of Red hat & IBM AIX.
• Planning Designing, Administering, and troubleshooting of AIX and LinuxHA Clusters.
• Configuring and troubleshooting connectivity problems (i.e. HBA, fibre channel).
• Good Experience in IBM Network Installation Manager (NIM), HP and Platform Pacemaker Cluster manager, Logical Volume Manager (LVM), NFS, performance monitoring utilities and other core UNIX/LINUXcommands.
• Created mount points for server directories, and mounted these directories on AIX & LinuxServers.
• Experience in analyzing logs, problem determination, recovery, and restart.
• Extensive experience in taking the Backups and checking the logs for backup failures using TSM and configuring TSM clients and restarting the Scheduler when needed.
• Shell scripts to automate log backups and daily tasks and start-up scripts to enable an auto start on machine restart.
• Creating and scheduling jobs using cron tool for log backups and scheduling recycles.
• Migrated SAP environment includes 40+ AIX servers from AIX 5.2ML10 to AIX 5.3TL8. Upgraded AIX 5.2 ML level for to ML10.
• Experience in administration and configuration management of Puppet on Linuxand puppet enterprise management from the console.
• Modifying the manifest as per the requirement on the puppet.
• Installed and maintain puppet-based configuration management system, configure and managing LVM on Linuxusing tools like lvextend, lvcreate, resize2fs etc.
• Provides overall support and maintenance of operating systems and network connectivity for all systems.
• Resolved many application Start-up problems, PATH problems, and name conflicts, TCP/IP, LAN/WAN and Networking Problems.
• Used Nexus repository manager to manage dependencies and collection of JAR's. It makes easier to distribute software.

Environment: VMware vSphere 5.5, Intel Modular Server, Remedy Ticketing System, SSH tools like Putty, WinSCP, Monitoring tools - Nagios. RHEL 6.4, RHEL 6.5, VMWARE and Red hat Pacemaker HA, CFEngine, SLES OpenAis.

Confidential, TX

Unix/Linux Admin

Responsibilities:

• Troubleshooting issues with Virtual Machines (Production Servers) and ESXi Hosts.
• Moving the VMs to different ESXi's or Data Stores using vMotion or Storage vMotion.
• Enabling or Configuring User accounts to access vCenter and IMS(Intel Modular Server)
• Configuring, Managing and troubleshooting issues related to HA and DRS.
• Deploy virtual machines using templates and cloning.
• Create and manage virtual machine snapshots.
• Create, Configure and manage standard Virtual switches.
• Creating and configuring vSwitches port groups and NIC Teaming.
• Troubleshooting all hardware issues related to Intel Modular Server.
• Knowledge on Resource Handling, Memory Management techniques, Fault Tolerance and Update Manager.
• Installing, Configuring & Troubleshooting of VMware ESXi Server.
• Managing ESX/ESXi hosts, VMs, OS, Applications, Storage, Networking using vSphere Client, vCenter Server, and vSphere Web Client.
• Proficient in P2V, V2V migrations, vMotion, Storage vMotion, HA & DRS Clusters, Cloning, Snapshots, Templates, Host Profiles and Resource Pools.
• Knowledge on Cold Migrations and Hot Migrations.

Environment: Sun ultra sparc t5220 and t5120, Sun Fire 6800/4800/480/280/ V100, Sun solaris8&10, Linux, Ubuntu, Veritas volume manger4.0, Nagios, HPSM, Oracle database, Oracle 10g and 11g, Hpmanager service, SSH, X-manger 3.0, TIBCO, AIX, Unicenter

Confidential, Pittsburgh, PA

Linux/Unix Admin

Responsibilities:

• Good understanding of error logging subsystem and Performance Monitoring tools like VMstat, iostat, net stat on AIX &Linuxsystems.
• Good knowledge onUnixShell Scripting and Python scripting and Resolving regular tickets on Hawk, Syswatch and ping probe Monitoring tools using Sitescope.
• Installation, Configuration and maintenance of Hosted VMware products.
• Experience in deploying virtual machines using templates and cloning, taking backup with a snapshot. Moving VM's and data stores using vMotion and storage vMotion in VMware environment.
• Provided production support in an on-call rotation in a 24x7 environment, coordinated with Application teams, change management. Expectations to meet deadlines related to SLAs with the customer.
• Capable of working as a Team Member or Individually with minimum supervision.
• Flexible and versatile to adapt to any new environment with a strong desire to keep pace with latest technologies.
• Good Team Player with excellent communication, Strong Computational, Analytical, verbal and writing skills along with strong management, organizational and mentoring skills.

Environment: Sun ultra sparc t5220 and t5120, Sun Fire 6800/4800/480/280/ V100, Sun solaris8&10, Linux, Ubuntu, Veritas volume manger4.0, Nagios, HPSM, Oracle database, Oracle 10g and 11g, Hp manager service, SSH, X-manger 3.0, TIBCO, AIX, Unicenter

Confidential, South Carolina

Linux/Unix Admin

Responsibilities:

• Configured Hardware level raid mirroring on sun ultra sparc boxes
• Responsible for OS HARDENING, passing through vulnerable assessment from Security Control group
• Good working knowledge in VI editor
• Developed shell script for Daily Health report of sun boxes and generated with Crontab.
• Responsible for configuring IP Multi-Pathing on multiple-interface
• Responsible for all OS patching and installing packages, Hardware and software upgrades on all SUN platforms.
• Troubleshoot and analyze potential problems pertaining to hardware and software
• Knowledge on SAN
• Documenting of various steps and procedures of implementations and Issue resolutions.
• Configuration and Administration of Disk, File System & File Security on sun ultra sparc t5220 and t5120.
• Client co-ordination on various issues

Environment: Sun ultra sparc t5220 and t5120, Sun Fire 6800/4800/480/280/ V100, Sun solaris8&10, Linux, Ubuntu, Veritas volume manger4.0, Nagios, HPSM, Oracle database, Oracle 10g and 11g, Hp manager service, SSH, X-manger 3.0, TIBCO, AIX, Unicenter

Confidential

Linux/Unix Admin

Responsibilities:

• Working in a Real time production environment and R12 infrastructure support engineer
• Creating and updating ticket in HP service management (HPSM).
• Responsible for Installing of Oracle 10g and 11g using X-manager in ULTRA sun sparc box
• Implemented Nagios to monitor the Traffic Analysis, process utilization of both server and client and also setting up threshold which sends an alert when it exceeds the threshold.
• Experience on Configuring and supporting WebSphere server.
• Deployed packages using yum in Red Hat Linux5.0
• Created logical file system in the volume group in Linux5.0
• Setting up of the logical volume in Linux
• Configured Hardware level raid mirroring on sun ultra sparc boxes
• Responsible for OS HARDENING, passing through vulnerable assessment from Security Control group
• Good working knowledge in VI editor
• Developed shell script for Daily Health report of sun boxes and generated with Crontab.
• Responsible for configuring IP Multi-Pathing on multiple-interface
• Responsible for all OS patching and installing packages, Hardware and software upgrades on all SUN platforms.
• Troubleshoot and analyze potential problems pertaining to hardware and software
• Knowledge on SAN
• Documenting of various steps and procedures of implementations and Issue resolutions.
• Configuration and Administration of Disk, File System & File Security on sun ultra sparc t5220 and t5120.
• Client co-ordination on various issues

Environment: Sun ultra sparc t5220 and t5120, Sun Fire 6800/4800/480/280/ V100, Sun solaris8&10, Linux, Ubuntu, Veritas volume manger4.0, Nagios, HPSM, Oracle database, Oracle 10g and 11g, Hp manager service, SSH, X-manger 3.0, TIBCO, AIX, Unicenter