SUMMARY:

• Around 8 years of experience in computer systems maintenance, systems security, software upgrade, network administration for AIX/Solaris Environment.
• Around 2 years of experience to lead the team of 25+ adminstrators to build servers at new Data Center.
• Experience in administration of AIX 5.3, 6.1, 7.1, RHEL 5/6 and Solaris 10
• Experience in Production rollout activities and Post Production Support.
• Experience in Incident Management, Problem Management and Change Management.
• Experince to work with different teams like Architects, Network team, Storage team, Application teams for new environment planning
• Experinced in Data Center Migration and Application Migration Planning & Execution
• Used ILO to access servers, in case of ssh connection failed, to troubleshoot hardware, software and operating system related errors on Red Hat running on HP ProLiant DL, BL Standalone servers.
• Experience on patch and package administration on Linux platforms.
• Experience in providing day - to-day user administration like adding and deleting users and managing user queries
• Installation and configuration of AIX on Various hardware including Power 7,power 7+ & Power8 servers and RHEL on vaious Intel Based Hardware.
• Installed and managed VIO servers on IBM P5, P6, P7 7 P8.
• Installed and managed KVM servers on Intel Based dell Hardware.
• Installed and managed Vmware and KVM servers and Guest servers in RHEL.
• Experienced in creating Standard and Virtual LPARS on VIO servers with the help of virtualization and Micro-partitioning concept.
• Worked in setting up VIO and dual VIO server with Virtual SCSI. SEA and NPIV technologies.
• Worked in LPAR, DLPAR Environment on AIX versions.
• Experienced in IBM Hardware Management Console Code Upgrade from V7R7.7.0 SP2 to V7R7.9.0 SP1 and V7R7.9.0 SP1 to V8R8.3.0 SP1
• Experienced in IBM Power System Firmware upgrade and Microcode upgrade with in same release or to new release.
• Experienced in setting up NIM environments which included setting up NIM master and NIM clients.
• Experienced in set up and export of Network File Systems (NFS).
• Implementation of High Availability Solutions using HACMP, PowerHA and Veritas Cluster Server
• Experience in Managing cron jobs, batch processing and job scheduling based on the requirements.
• Experience in solaris virtualization - Ldom and Zones
• Experience is Data Center disaster recovery planning and recovery.
• Experience in monitoring servers remotely using different tools like HP Suit, BMC etc.
• Disk space and File system management using AIX Logical Volume Manager and Solaris Volume Manager and Veritas Volume Manager.
• Worked with different database Environments like Oracle, Oracle RAC(Real Application Clusters), Oracle RAC one, DB2 and purescale.
• Experience in Shell scripting using sh and ksh.
• Experience in Performance Monitoring of CPU, Memory, Disks, Network using various monitoring tools like BMC, Nagios for UNIX.
• Extensive experience with Troubleshooting of issues with applications, network, user hardware, naming services etc.
• Experience in Network Configuration, Performance Tuning, Security Hardening.
• Experience in architecting, setting up data centers and migration of applications.
• Experience in storage migration from EMC DMX to EMC VMAX.
• Strong analytical, diagnostics, troubleshooting skills to consistently deliver productive technological solutions.
• Implement OpenSSH, SSH2 and SSl based security for the Redhat and Solaris Servers.
• Experience in System performance tuning Configuration.
• A good team player with strong communication skills and an inquisitive mind to learn more

TECHNICAL SKILLS:

Operating Systems: AIX 5.3, 6.1, 7.1, Solaris 8, 9, 10, 11,, RHEL, Solaris 10

Hardware: IBM Power 5, Power6, Power7, Power7+, Power8, +SunT2000,T4000, M5000, M8000

Storages: EMC Symmetrix, Clariion, IBM DS3200, DS4000

Virtualization Technologies: IBM PowerVM, IBM WPAR, Solaris LDOMS, Zones, VMware ESXi

High Availibility: IBM PowerHA Syetem Mirror, IBM GPFS, Veritas Cluster Server

Programming Languages: Shell Scripting

Web and App. Servers: Apache HTTP Server 1.3.x, 2.x, WebLogic 9, 10

Networking: TCP/IP,NFS, DNS, NIS

PROFESSIONAL EXPERIENCE:

Confidential, Michigan

Senior Unix Administrator

• Work with Network team, Storage team, Application teams for designing and planning new AIX/RHEL environment
• Installed and managed Vmware and KVM servers and Guest servers in RHEL.
• Installation, Configuration and Troubleshooting of IBM AIX 5.3/6.1/7.1 and RHEL 5/6 Servers.
• Responsible for configuration and installation of Red Hat Linux using Kickstart
• Adding packages in Linux using rpm, yum, apt-get, etc.
• Worked on Logical Volume manager on Linux.
• Performance tuning of Virtual Memory, CPU, system usage in Linux servers. Changing configuration of VMs includes CPU, memory, adding vmdk disk to VMs and virtual NIC and Datastores managed by VMware ESX hosts.
• Hardware troubleshooting, replacement and support.
• Managing and troubleshooting KVM
• Experience on patch and package administration on Linux platforms.
• Experience in providing day-to-day user administration like adding and deleting users and managing user queries.
• Network connection troubleshooting, management and support.
• Symantec Netbackup installation, administration, backup and restoration.
• System Firmware upgrade of Dell Physical Servers.
• Installed SAN boot LPARs with AIX 6.1 TL 07 & AIX 7.1 TL 01 using NIM installation method.
• Installation of the mksysb on alternate disk without taking server down
• Operting system upgrades from AIX 5.3 to 6.1/7.1
• IBM Hardware Management Console Code Upgrade from V7 to V8.
• IBM Power Firmware upgrade and Microcode upgrade.
• VIO upgrades from 2.1 to 2.2
• Responsible for making LPAR and DLPAR through HMC and Installing AIX on the logical partitions (LPARs).
• Allocated storage to clients using NPIV and VSCSI adapters.
• Partitioning of Servers using HMC console into LPARS and DLPARS for more efficiency in the environments.
• Worked on powerpath installation, configuration and updgrade
• Upgraded the firmware of the server frame on p5, p6 and p7 hardware.
• Experience in creating Shared Ethernet Adapter (SEA) with Control Channel adapter and Failover.
• Experience in configuring VSCSI/NPIV setup both Server and client side
• Technology level and Service pack update on AIX 5.3, 6.1, 7.1 using alt clone
• Performing TCP/IP Networking tasks on various boxes.
• Configured GPFS multi node node cluster
• Installed and Configured two node PowerHA
• Installation of DB2 on AIX servers and configuring pureflex.
• Scripting the change procedures for Level 1 and Level 2 team so that they can work on them. Project Currently Handelling
• Moving all the Non Prod Frames to new HMC’s in order to segregate the Prod and Non Prod.

Confidential, Rhode Island

Senior Unix Administrator

• Worked with project managers, Architects and system integrators for planning and execution of new datacenter setup.
• Prjoject Lead to Build around 700+ IBM AIX and Oracle Solaris servers in new facility.
• Data center upgrade, Data center Migration & Application Migration Planning and execution.
• Work with Architects, Network team, Storage team, Application teams for new environment planning
• Responsible for configuration and installation of Red Hat Linux using Kickstart
• Adding packages in Linux using rpm, yum, apt-get, etc.
• Worked on Logical Volume manager on Linux.
• Performance tuning of Virtual Memory, CPU, system usage in Linux servers. Changing configuration of VMs includes CPU, memory, adding vmdk disk to VMs and virtual NIC and Datastores managed by VMware ESX hosts.
• Hardware troubleshooting, replacement and support.
• Managing and troubleshooting KVM
• Experience on patch and package administration on Linux platforms.
• Experience in providing day-to-day user administration like adding and deleting users and managing user queries.
• Installation, Configuration and Troubleshooting of IBM AIX 5.3/6.1/7.1 servers
• Installation and Configuration of Ldom’s and Zones
• Installation and Configuration of Dual VIO’s setup.
• Configure PowerVM - Multiple Shared Processor Pools on POWER6 and POWER7 frames to reduce processor based software licensing costs.
• Installed SAN boot LPARs with AIX 6.1 TL 07 & AIX 7.1 TL 01 using NIM installation method.
• Operting system upgrades from AIX 5.3 to 6.1/7.1, solaris 8 to 10.
• IBM Hardware Management Console Code Upgrade from V7R7.7.0 SP2 to V7R7.9.0 SP1
• IBM Power Firmware upgrade and Microcode upgrade.
• CPU/Kernel upgrade in Solaris 8/9/10 using Live upgrade utility
• Migration of Solaris volume manager Root disk to ZFS Root using Live upgrade utility
• VIO upgrades from 2.1 to 2.2
• SAN migration from EMC DMX to VMAX in AIX
• Responsible for making LPAR and DLPAR through HMC and Installing AIX on the logical partitions (LPARs).
• Allocated storage to clients using NPIV and VSCSI adapters.
• Partitioning of Servers using HMC console into LPARS and DLPARS for more efficiency in the environments.
• Worked on upgrading HMC versions to latest
• Worked on powerpath installation, configuration and updgrade
• Upgraded the firmware of the server frame on p5, p6 and p7 hardware.
• Experience in creating Shared Ethernet Adapter (SEA) with Control Channel adapter and Failover.
• Experience in configuring VSCSI/NPIV setup both Server and client side
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM and also used NIMADM procedure for reduced downtime.
• Experience in working on EMC symmetrix, VMAX storage.
• Technology level and Service pack update on AIX 5.3, 6.1, 7.1 using alt clone and Solaris updates using Live upgrade.
• Experienced in monitoring system performance and check the status of the system using utilities such as SAR, TOP, GLANCE, NMON, VMSTAT, IOSTAT, etc.
• Performing TCP/IP Networking tasks on various boxes.
• Configured multi node GPFS cluster
• Installed and Configured two node PowerHA
• Add and configure new EMC SAN volume - LUN to the volume groups and configuring storage multi path using EMC Powerpath 5.1 installed on AIX/Solaris. Add and troubleshoot SAN storage path on the server side. Performed installation, configuration, replacement, adapter firmware upgradation task.
• Support oracle team during Orcale RAC installation and Oracle 10g/11i installation.
• Performing user, group administration and performing user account management.
• Experience in configuring etherchannel and setting of network routes and jumbo frame setting

Confidential

AIX/Solaris Administrator

• Installation, Configuration and Troubleshooting of IBM AIX 5.3/6.1/7.1 servers
• Installation, Confguration and Troubleshooting of Oracle Solaris 8/10 servers
• CPU/Kernel upgrade in Solaris 8/9/10 using Live upgrade utility
• Installation and Configuration of Dual VIO’s setup.
• Configure PowerVM - Multiple Shared Processor Pools on POWER6 and POWER7 frames to reduce processor based software licensing costs.
• Assigning disks, Ethernet adapters and SCSI adapter through VIO servers.
• Installed SAN boot LPARs with AIX 6.1 TL 07 & AIX 7.1 TL 01 using NIM installation method.
• Operting system upgrades from AIX 5.3 to 6.1/7.1, solaris 8 to 10.
• User management. Adding a new user account, creating and changing user passwords, changing user attributes.
• Mirroring the volume group, Migrating physical volumes, increasing the size of file system, reducing the size of file system in AIX, create the non root volume group, create the logical volumes, create the file systems.
• Creating and Mirroring disk groups, increasing/decreasing the fize of file systems in VXVM
• Migrating sliced root disk/SVM to VXVM
• Backup Administration, File system Backup and Application Backup Operating System Backup through mksysb.
• File system management and monitoring like increasing FS size, removing old files after taking backup, compressing files for space management.
• Managing paging space, changing attributes of paging space, increasing paging
• Managing swap space, changing attributes, increasing/decresing swap
• SAN Migration from Clarion to DMX
• Migration of Solaris volume manager Root disk to ZFS Root
• Worked on Oracle Virtualization Ldom and Zones.
• Add and configure new EMC SAN volume - LUN to the volume groups and configuring storage multi path using EMC Powerpath 5.1 installed on AIX/Solaris. Add and troubleshoot SAN storage path on the server side. Performed installation, configuration, replacement, adapter firmware upgradation task.
• Support oracle team during Orcale RAC installation and Oracle 10g/11i installation.
• Performing user, group administration and performing user account management.
• Experience in configuring etherchannel and setting of network routes and jumbo frame setting.
• File system management and monitoring like increasing FS size, removing old files after taking backup, compressing files for space management.
• CPU/Kernel upgrade in Solaris 8/9/10 using Live upgrade utility