Senior AIX Administrator
Resume:
Tarun Singhal
+1-401-***-**** **********@*****.***
Professional Experience Summary:
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
Skills
Bachelors of Engineering, Punjab Technical University, India.
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
Client Name: Jackson National Inssurance November 2015 – Till Date
Michigan, USA
Senior Unix Administrator
Jackson National Life Insurance Company (often referred to as simply Jackson) is a U.S. company that offers annuities for retail investors and fixed income products for institutional investors. Jackson subsidiaries and affiliates provide specialized asset management and retail brokerage services. Jackson markets its products in 49 states and the District of Columbia through independent and regional broker-dealers, wirehouses, financial institutions and independent insurance agents
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.
Client Name: CVS Health December 2010 – October 2015
Rhode Island, USA
Senior Unix Administrator
CVS Health is an American retailer and health care company. CVS Health provides pharmacy services through its over 8,000 CVS Pharmacy and Longs Drugs stores; its pharmacy benefit management, mail order and specialty pharmacy division, Caremark Pharmacy Services; its retail-based health clinic subsidiary, MinuteClinic; and its online pharmacy, CVS.com. CVS Health is chartered in Delaware, and is headquartered in Woonsocket, Rhode Island, where its pharmacy business is also headquartered. The pharmacy services business is headquartered in Nashville, Tennessee. As of 2015, it ranked fortieth in the Fortune Global 500 list of the world's largest companies, and thirteenth in the United States-only Fortune 500
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
Project Handled for client:
1)Storage Migration
2)Data center Migration and new Build
3)HMC Upgrade’s
4)VIO’s upgrades
Client: GE Global Infrastructure Services July 2008 – November 2010
Ohio, USA
AIX/Solaris Administrator
GE Infrastructure, Inc. offers fundamental technologies and services to industrial clients. The company manufactures and markets diesel engines, motorized systems, freight and passenger locomotives, locomotive parts, gear units, jet engines, and signaling and communications systems. Additionally, it offers water treatment and purification, reuse, recovery, and filtration solutions. GE Infrastructure also provides aviation financing and energy and water investing, lending, and leasing services. It caters to aviation, energy, oil and gas, water and process technologies, and transportation sectors. The company is headquartered in Wilton, Connecticut. GE Infrastructure Inc. operates as a subsidiary of General Electric Company.
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
Project Handled for client:
1)Hostname change of 2000+ servers
2)Storage migration from DMX to VMX
3)Ssh and ssl upgrade for whole environment
Education and Certification
Bachelors of Engineering, Punjab Technical University, India.
EXIN ITIL V3 Foundation certified
IBM Certified System Administrator - AIX 6.1
IBM Certified Systems Expert - Virtualization Technical Support for AIX and Linux - v2
Sun Certified System Administrator for Solaris 10 OS
Symantec Veritas Storage Foundation Certified
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