OBJECTIVE:

Seeking a challenging position as a UNIX RHEL, AIX, and HP-Unix and VMware SystemADMINISTRATOR. Provide cost effective design and implement IT solutions with expertise domain knowledge based on customer demands.

SUMMARY:

• Having 13 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 extensive experience on Logical Volume management LVM in RHEL,AIX and HPUX environments
• I have strong knowledge on virtualization concepts and implementation techniques on various platforms RHEL,IBM,Vmware,HP
• I have configured mission critical servers using various cluster products MC/Service guard, Veritas Cluster Server, IBM PowerHA/HACMP, and VMware-HA.
• I have automated 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
• I have worked in data center consolidation projects and performed various P2V / V2V migrations

COMPUTER SKILLS:

PROFESSIONAL EXPERIENCE:

Confidential

System Admin

• I was responsible for installation, configuration and provide support to Unix linux,aix,hpux and VMware servers in enterprise environment
• I have performed automated installations of RHEL servers using iso images and customized through kickstart utility
• Managed disk capacity using LVM . This includes PV/VG/LV/FS creation, deletion, resizing. LV migrations, mirroring, striping. PV moves on storage migration activities.
• I was responsible and leading periodic patchingprojects on linux servers using yumlocated at various sites.
• I have performed network configuration tasks ip and alias configuration, bonding, static routes, speed and gateway settings, load balancing modes, configured vlans
• I have managed users and groups on local and centralized management servers NIS / LDAP .I have performed security audits on user and group files and ensure appropriate access rights are maintained.
• I have installed and troubleshoot software related issues withRPM, installp and swinstall.
• I have worked extensively in resolving OS related issues startup, performance etc.. with Linux, AIX and HP-Unix.
• I solely handled storage migration projects from EMC clariion to Symmetrix arrays on linux servers. This includes host level and array level migrations. I have automated the data movement through scripting and send the notifications.
• I have configured NFS servers/clients,NIS Master and Slave servers in UNIX Environment
• I was involved on architectural study and provided inputs for server consolidation projects
• I was responsible for securing servers using iptables. I 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 change failurescenario
• I have installed and configured Vmware esxi 5.0 and Vcenter server.
• I have deployed massive number of VM's using templates and performed customizations.
• I have worked on setting up vmotion, vsphereHA tested and validated them.
• I have knowledge onvmware vcloud director,cloud deployment and service models.
• I have performed necessary resource allocations and modifications cpu/memory in VM instances. I have performed similar activity was performed via DLPAR on IBM AIX servers.
• I was responsible for network configuration in Vmware vswitch, port groups, nic teaming and load balancing, vm ports.
• I have created and managed users, roles and set appropriate access Permissions in UNIX and Vmware servers according to business needs.
• I was solely responsible to perform VM client upgrades across the globe involving 700 VMware clients
• I have performed Puppet agent installations and signing with puppet master.Pushing the configurations to agents.Exposure to Puppet forge modules
• Installed various versions ofAIX servers migration,overwrite and preservation methods and performed TL upgrades using NIM and alternate disk method
• I have installed and configured redundant dual VIO servers. I have setup networking with NIB/SEA methods, disk mapping using native SCSI/NPIV. I have configured VIO clients to make use of VIO servers.
• I was involved in design phase and successfully built and implemented DR solutions across data centers. I had clear understanding of RPO/RTO objectives and BCP processes. I was leading DR test activities and ensure the success rate is 100 . I have created necessary documentations based on the test results and provided the client with scope of improvement.
• I have configured various clusters across data centers using products -IBM PowerHA and EMC SRDF product. I have worked on creating DG, CG using SYMCLI.
• I have tested and implemented LPMin IBM frames.
• Implemented several virtualization projects using IBM APV.
• I have co-ordinated with vendorfor fixing system bugs and hardware issues. I had clear understanding of SLA's and
• I have provided technical support guidance to team for handling high severity incidents and escalation support to UNIX environment

Confidential

Lead System Admin

• I have performedserver installation and support projects that include RHEL/AIX/HPUX and Vmware servers
• I have automated and customized RHEL server installations using kickstart method and NIM
• I was solely responsible in implementingveritas cluster server across the entire unix estate. I have educated team members and provided training. I have also prepared necessary implementation documents.
• Performed RHEL / Suse server installations in a vmware environment using templates
• I have created VM's with adequate hardware resources as per project requirements.
• I was leading and performed various types of storage migrations involving SAN EMC Symmetrix to Hitachi, HP to EMC array and NAS migrations on RHEL/AIX/HPUX servers. I have created various scripts for pre and post validations.
• I have successfully rollout several server decommission projects SAN IP reclaim, License reclaim, OS and VM instance deletion, server de-rack. I have carried out all the tasks through business approved change controls
• I have worked on system tuning of UNIX servers as per standards to gain maximum performance.
• I have installed and configured various backup and monitoring agent configurations on RHEL/AIX/HPUX servers netbackup, EMC Avamar, EMC Networker
• I have performed periodic patching of RHEL/AIX/HPUX systems as per agreed client roadmaps
• I have planned implemented and lead IBM frame migration projects. I have moved 400 IBM Lpars from P5 to P6/P7 using SAN swing method/mksysb. I had performed complete end to end task on this project
• I have implemented highly available clusters using hacmp//mcsg that provides resiliency for the business critical applications
• I have performed HACMP upgrades 5.2 to 5.4 . I have supported cluster nodes and performed RG failover/fallback/customized script testing
• I have migrated massive number of AIX systems from 5.x to 6.x using alternate disk method andvirtual optical media
• I have performed 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
• I have developed several scripts using shell bash/ksh that automated daily tasks. Send mail notifications for customized script errors and outputs.
• I was responsible to lead DR test activities including OS restoration on different hardware located in DR site, configured as per the production system and support till the end of customer testing
• I have managed resources CPU/Memory using DLPAR. Created scripts to adjust the resources based on specific workloads
• I was 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
• I was responsible for quality of deliverables with respect to the technical aspects and provide quality root cause analysis
• I strictly followedITIL standards so as to meet the defined SLA's in all areas of IT management Incident, Change, Problem, Configuration

Confidential

System Engineer

• I have performed new server builds RHEL/HPUX/AIX and configuration of backup clients
• I have developed and tested migration tasks for upgrading the software levels of server
• I was 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
• I have defined policies that involve integrating specific backup agent like oracle, SAP
• I was 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

Customer Engineer

• Installation, configuration and migration of HPUX and Windows based servers
• As a data center engineer managed around 50 HP RISC and Windows servers
• I have 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
• I have configured OS backups using ignite and performed restorations.
• Implemented RAS configuration in windows 2000 servers.