SUMMARY:

• Having 8 years of IT experience in managing UNIX (RHEL,SLES, IBM - AIX,and HPUX) infrastructure from small to enterprise level environments.
• Having 3+ years of managing VMware Vsphere 5.x.
• Having 1 year experience with IT automation tool - Puppet
• VMware certified professional (VCP), IBM AIX Certified, HP Certified System Engineer (High availability + HP Partitioning),HP Data Protector Certified
• ITIL V3 certified. Strict adherence to process management guidelines and procedures.
• Having responsibility to support all UNIX and vmware system problems 24*7and resolving them ontimely basis.
• Having good experience on Logical Volume management (LVM) in RHEL,AIX and HPUX environments
• Strong knowledge on virtualization concepts and implementation techniques on various platforms - RHEL,IBM,Vmware,HP
• Configured mission critical servers using various cluster products - MC/Service guard, Veritas Cluster Server, IBM PowerHA/HACMP, and VMware-HA.
• Automation of daily tasks including file removal, log rotation, performance collections, disk space utilization using shell scripting (bash, ksh).
• Created scripts for pre-check and post-check tasks for storage (EMC/Hitachi) and host based migrations
• Worked in data center consolidation projects and performed various P2V / V2V migrations

TECHNICAL SKILLS:

Operating Systems: Red Hat-5.x-6.x, SLES-10.x-11.x, AIX-5.x-6.x, VMWARE ESXi 5.x,IBM VIO-1.x,2.x,HP-UX-10.x,11.x

Hardware: HP Proliant, Confidential poweredge, IBM Power Series - P5 (510,520,550,570,595) /P6 (550,595), /P7 (775,795) and RS6000 series, HP PA RISC and Itanium - RP,RX,Superdome, HCL Globalline, HMC

Languages & Scripts: Bash, Ksh.

Networks: NIS, NFS & DNS.

Cluster software: MC/Service Guard, Veritas Cluster server, IBM PowerHA/HACMP

Web & App servers: Apache 1.x, 2.x

Other Softwares: EMC Power path, Hitachi HDLM, VIO, Netbackup, Data Protector, HP-OVPM, LPAR2RRD,Oracle RAC, IBM TADDM.

Monitoring Tools: HP Openview, BMC Patrol,Puppet, Remedy, HP-ITSM

Ticketing Tools: Mainframe RUMBA, Remedy, HP-ITSM

PROFESSIONAL EXPERIENCE:

Confidential, California, USA

System Admin

RESPONSIBILITIES:

• Installation, configuration and provide support to Unix (linux,aix,hpux)and vmware servers in enterprise environment
• Installation of RHEL servers using iso images and customization through kickstart utility
• Disk management (using lvm). This includes PV/VG/LV/FS creation, deletion, resizing. LV migrations, mirroring, striping. PV moves on storage migration activities
• Periodic patching of linux servers using yum
• Network configuration on linux servers (ip and alias configuration, bonding, static routes, speed and gateway settings)
• User and group management in Unix servers.Package management using RPM, installp and swinstall.
• Configured Various NFS servers and NFS clients. And also involved in NIS team and configured NIS Master Server and Slave server in Linux Environment
• Perform performance analysis and provided inputs for server consolidation projects
• Securing servers using iptables. Have adequate experience in security hardening and maintain security standards as per customer guidelines and provide support to external and internal audits. (SOX etc...)
• Snapshot management of linux servers on VMware and restoration of snapshots in DR test scenario
• VMware esxi 5.x, vcenter server installation
• Setting up vmotion, vsphereHA test and validate them.
• Resource allocations and modifications in VM instances. DLPAR on IBM servers.
• Vmware network configuration - vswitch, port groups, nic teaming and load balancing, vm ports.
• Managing Users, Groups, Roles and Access Permissions in UNIX and Vmware servers
• Lead VM client upgrades across the globe involving 700+ VMware clients
• Puppet agent installations and signing with puppet master.Pushing the configurations to agents.Exposure to Puppet forge modules
• Installation of AIX servers and TL upgrades using NIM and alternate disk method
• Design and implement DR solutions across data centers. Lead DR test activities and ensure the success rate is 100%
• Configured clusters across data centers with IBM PowerHA and EMC SRDF product. LPMimplementation and testing. Worked on creating DG, CG using SYMCLI.
• Implemented several virtualization projects using IBM - APV.
• Vendor co-ordination for fixing system bugs and hardware issues
• Provide guidance to team for handling high severity incidents and escalation support to UNIX environment

Confidential, Palo Alto, California

Lead System Admin

RESPONSIBILITIES:

• Perform server installation and support projects that include RHEL/AIX/HPUX and Vmware servers
• Automate and customize RHEL server installations using kickstart method and NIM
• Disk and network management in linux/aix/hpux servers. Configure mirroring, striping.Configurenetwork bonding in RHEL, Etherchannel in AIX, Port aggregation in HPUX for better performance and redundancy.
• Implemented veritas cluster server across the entire unix estate. Educated team members and prepared necessary implementation documents.
• RHEL / Suse server installations in a vmware environment using templates
• Customization of linux server installations by making clones and templates. Creation of VM’s with adequate hardware resources as per project requirements.
• Storage migrations involving SAN (EMC Symmetrix to Hitachi, HP to EMC array) and NAS migrations on RHEL/AIX/HPUX servers. Created various scripts for pre and post validations.
• Performance tuning of UNIX servers as per standards
• Rollout several server decommission projects - SAN & IP reclaim, License reclaim, OS and VM instance deletion, server de-rack. Carried out all the tasks through business approved change controls
• Backup and monitoring agent configurations on RHEL/AIX/HPUX servers
• Periodic patching of RHEL/AIX/HPUX systems as per client roadmaps
• Plan and implement IBM frame migration projects. Moving IBM Lpars from P5 to P6/P7 using SAN swing method/mksysb
• Design and implement highly available clusters using hacmp/vcs/mcsg that provides resiliency for the critical applications
• Perform HACMP upgrades (5.2 to 5.4). Support cluster nodes and perform RG failover/fallback/customized script testing
• Migration of AIX systems from 5.x to 6.x using alternate disk method using virtual optical media
• VIO installation, configuration and management with SEA/NIB/NPIV technology. Performed dual vio upgrades with zero downtime
• Performed detailed architecture study of IBM frames and moved around 1000+ disks onto high capacity disks. This involved in adding them to a volume group, move the PV’s, reclaim the original storage disks
• Implemented a project of SEA configuration in dual VIO servers for a huge environment that resulted in considerable cost savings to client
• Develop scripts using shell that automate daily tasks. Send mail notifications for customized script errors and outputs.
• Lead DR test activities including OS restoration on different hardware located in DR site, configure as per the production system and till the level of customer testing
• Resource management (CPU/Memory) using DLPAR
• Involved in implementation of Sun one Directory server (LDAP) client across entire UNIX estate. This project eases the management of users centrally instead of managing them locally
• Responsible for quality of deliverables with respect to the technical aspects and provide quality root cause analysis
• Strictly follow ITIL standards so as to meet the defined SLA’s in all areas of IT management - Incident, Change, Problem, Configuration

Confidential, Plano, Texas

System Engineer

RESPONSIBILITIES:

• Involved in new server builds ( RHEL/HPUX/AIX ) and configuration of backup clients
• Developed and tested migration tasks for upgrading the software levels of server
• Part of capacity management group and involved in capacity analysis
• System performance monitoring and tuning of UNIX servers
• Created and configured more than 300 HP internal servers using HP Data Protector 5.1
• Handled critical restoration request independently within specified SLA’s and ensured service is restored
• Defined policy configuration methods that involve integrating with specific backup agent like oracle, SAP
• Involved in backup infrastructure design phase that involves moving local backups to a centralized server
• Implemented alerting at various phases and performed full functionality tests
• Integration of alerts onto incident management tool Remedy

Confidential, Santa Clara, California

Customer Engineer

RESPONSIBILITIES:

• Installation, configuration and migration of HPUX and Windows based servers
• As a data center engineer managed around 50+ HP RISC and Windows servers
• Configured cluster using MC-Service guard on HPUX servers
• Troubleshoot cluster related and performance related issues.
• Configured load balancing (NLB) on windows based servers
• Created test procedures that checks the redundancy at server level
• Configured Citrix Meta frame servers and clients
• Written shell scripts for jobs like temporary file removal, resource statistics, script for exporting ORACLE user backup
• Disk assignment in oracle RAC environment using raw disks.
• Troubleshooting of Hardware, HP-UX related Problems
• Ignite backup and recovery
• Implemented RAS configuration in windows 2000 servers.
• Support of thin client projects using HCL products.