KETAN VOHRA
Email: ***********@*****.*** Mobile: 201-***-****
SUMMARY:
. Over 6 years of experience in Administration, Engineering and
Development of Information Systems on AIX, Unix, Linux (Redhat), HP-
UX and Sun Solaris.
. Expertise in Planning, Installation, Configuration and Maintenance
of UNIX, IBM HACMP V5.3 on AIX 5.1/5.2/5.3/6.1/7.1
. Experience with POWER 7, 6, 5, 4 Series which include IBM pSeries
780, 770, 595, 570, 550, 520, 505 and RS6000 Servers
. Worked with IBM p590 p570 p550 p520 servers connected to NETAPP
SAN.
. Experienced in installation, configuration, administration,
troubleshooting, tuning, security, backup, recovery and upgrades of
IBM AIX, Solaris 2.x, 8, 9, 10, HP-UX 10.x, 11.x, Win NT/2000
Server, Linux (RedHat & SuSE).
. Experience in installation, configuration, tuning, security,
backup, recovery and upgrades of IBM AIX
. Extensive experience in Security remediation, critical assessments,
disaster recovery and Virtualization.
. AIX System Administrator with expertise on IBM Blade Server JS22,
JS23, JS42 & pSeries 550 570 590 & RS6000 Servers
. Worked with Power7/Power6/Power6/Power4 & RS6000 Servers.
. Build countless VIOS and LPAR's on p-series p550, p570, p590, p780.
Configuration and installation.
. Installed and configured DR Boxes for disaster recovery.
. Implementation administration & virtualization with various
platforms such as Hyper-V and VMware.
. Designed and managed Immigration Control and Identity Management
(ICIM) lab with three racks of server blades and a hundred of
(VMware and Hyper-V) virtualized machines (Windows and Linux) and
20+ TB storage (SAN/NAS/iSCSI).
. Created another TSM server instance on the DR side
. Solely Responsible for Building the LPARS, Allocating storage
[NETAPP and BROCADE] and OS [AIX 5.3 and 6.1] installation through
NIM.
. Worked with IBM p590 p570 p550 p520 servers connected to NETAPP
SAN. Configured and assigned hardware resources within LPARS,
installed AIX 5.3 and 6.1 and installed patches.
. Creating Logical Partitions of VIO Servers, Dedicated LPARS and
VIO Servers on pSeries frame .
. Forecasting TSM infrastructure capacity needs.
. Built HACMP Clusters from the scratch.
. Single point of contact for HACMP Cluster issues & support
. Designed & built a five node HACMP cluster from scratch and added
nodes to two different existing clusters.
. Strong understanding of VMware Networking concepts like creation of
vSwitches, different types of port groups, NIC Teaming and VLAN
. Design, build, install and configure Red Hat Enterprise Linux
servers & workstations
. Create and administer RedHat Enterprise Linux operating systems to
implement on the existing network.
. Troubleshoot and Trouble Analysis of system issues
. Determine issues and resolutions for Systems and Servers installed.
. Experience in Migration of HACMP 4.3.1/4.5/5.1 to HACMP 5.4 using
Node-by-Node migration without changing the cluster setup.
. Performed User Account management, data backups, and user logon
support.
. Installation, configuration and administration of Solaris 9, 10,
Redhat 4.x, 5.x, 6.x HP-UX 10.x, 11.x, IBM AIX 4.3, 5L.
. Experience in Active Directory, GPOs, DNS, DHCP, File & Print
Server, IIS (Web Server), FTP, Terminal Server, Microsoft
Clustering and Exchange Mail Server in Windows based server
environment
. Managed Active Directory services. (Created Accounts, Reset
Passwords, and Allowed Access to different Directories using NTFS
permissions).
. Expertise on Tivoli Storage Management, Administration & support.
. Extensively worked on advanced areas of IBM AIX such as PowerVM,
LPAR, HACMP etc
. Experienced in configuring and supporting Logical Partitions/Micro
Partitions (LPAR/DLPAR), via HMC (Hardware Management Console).
. Experience in EMC Clarion SAN Storage, HP EVA 8400,NETAPP NAS
storage environment and IBM DS4800 SAN storage
. Solely Responsible for Building the LPARS, Allocating storage
[NETAPP and BROCADE] and OS [AIX 5.3 and 6.1] installation through
NIM.
. Managing DNS, LDAP, FTP, Tomcat & Apache web servers on Linux
(Redhat ES 3.0) servers.
. Expertise in implementation and maintainence of Apache SMTP, DHCP,
NFS, NIS, NIS+, LDAP, DNS, SAMBA, SQUID, Postfix, Sendmail, FTP,
Remote Acess, Security Management & Security trouble shooting
skills.
. Experienced in implementing the Workload Management (WLM)
. Installation of VIO Server on IBM p6 & p5 systems
. Worked on IBM PowerSC (Security & Compliance)
. Proven ability to Define System requirements, recommended
solutions, analyze capacity and make appropriate modifications
. Installation, administration, configuration and testing of VIO
Server and VIO client LPAR'S.
. Extensive experience with Virtualization
. Experienced with the installation, configuration of volume
management using Veritas Volume Manager and Solstice Disk Suite on
Solaris and experienced in RAID 0, 1, 5, 10 configurations.
. Day to day administration of the Development environment and
Production and Test environment systems. 24x7 on-call support
. Strong appetite for learning new technologies with positive
attitude
. Demonstrated success many times under aggressive project schedules
and deadlines. Flexible, result oriented and adapt to the
environment quickly to meet the goals of the product and the
organization
Core Technical Competencies:
AIX 4.x/5.x/6.x/7.x, Sun Solaris 7/8/9/10,
Operating Systems Linux 6/7/8.x, Windows 95/98/XP/NT Server,
HP-UX 11.x,
IBM p-series p620, p630, p650, p690, p5-series
Hardware p570, p575, p590 RS600043p, 44p
servers/workstations. EMC SAN Clarion
Symmetrix, FAStT
Languages C, Java, Java scripts & Shell Scripts
Databases IBM DB2, MS-SQL Server, MS- Access
Developer, J2EE, WSAD, TPM, Resource Analyzer,
Log Analyzer.
Tools Web/App Servers IBM WebSphere 3.5/4.0/5.0, IBM
PowerSC Weblogic, Netscape Enterprise Server
(3.6.3/iPlanet), VMware. Aixpert, Apache, IBM
HTTP Server, Tomcat.
Networking TCP/IP, DNS, DHCP, LDAP, HTTP, SSH.
Other Skills VIOS, HACMP 4.3.1, 4.4, HACMP/ES 4.5, 5.X,
Samba, TWS Veritas Volume Manager, TSM, Tivoli
Storage Management.
Domain Knowledge Insurance, Banking, Manufacturing,
Automobiles, Engineering, Information
Technology
PROFESSIONAL EXPERIENCE:
FedEx, Colorado Springs, CO
Jan 2012 - Till Date
Senior AIX/Unix/Linux Administrator
Responsibilities:
. Responsible for Installation, Configuration Management, Maintenance
and Systems Development of AIX Systems.
. Very strong working experience in Sun Solaris 10 Virtualizations
(Zones, Containers and Ldoms)
. Configured IBM P-series 770, 750, 595, 570,550 and RS 6000 machines
for production and test environments
. Design, build, install and configure Red Hat Enterprise Linux
servers & workstations.
. Administrating and managing windows servers including configuration
and troubleshooting of Active directory, DNS, DHCP, IIS.
. Configured Microsoft Active Directory domains.
. Management of Active Directory users on Windows Server 2003.
. Worked on Linux x86, Windows 2003 Advance Server, Samba, Squid,
Active DirectoryCreate and administer RedHat Enterprise Linux
operating systems to implement on the existing network.
. Responsible for the operation, maintenance and integrity of a
distributed, networked AIX based environment
. Migrated Linux based machines and Power off Machines to virtual
machines using VMware converter boot CD.
. Installed and configured Hyper-V 2012 and System Center Virtual
Machine Manager 2012 providing self-service to developers.
. Worked on VIOS and NPIV client Storage migration.
. Performing Migration and/or Preservation Installations and upgrades
from AIX 5.3 to AIX 6.1and AIX 7.1.
. IBM Power VM experience including setup and management of VIO
partitions and performance tuning on IBM hardware specifically 9117-
570, 9113-561, 9117-MMA.
. Setup and installation of VIO servers, VIO clients, setup of
network and disks in virtual environment. Virtual server backup and
restoration.
. Implements and managing resources in VIO server for client LPAR's.
. Host based Migration, Performed Disk mirroring, backup and restore
for better data availability and Disaster Recovery.
. Perform Real time troubleshooting of VMware, windows Server and
Network.
. Storage Migration moving storage from EMC to SVC and upgrade sddpcm
driver and micro code. SVC to SVC Migration on VIO and upgraded
sddpcm drivers
. Lpar firmware upgrade
. Responsible for Implementing Cloning, Clustering, Performance
tuning and trouble shooting of IBM WebSphere Application Server
4.0/5.0.
. Provided a security and complaince solution optimized for
virtualized environments on Power Systems using IBM PowerSC.
. Perform trouble shooting on Web and Database application like
Websphere, Weblogic db2, Oracle.
. Reposnsible for Websphere and Weblogic application shutdown and
restart.
. Responsible for the support of Production, HA, DR, QA and
Development environments with over 30 servers (v240, v490 and
E2900) running on Solaris 8 and Solaris 10.
. Troubleshoot and Trouble Analysis of system issues
. Determine issues and resolutions for Systems and Servers installed.
. Involved in Building up of servers from the scratch and testing the
same.
. Extensive experience creating LPAR DLPAR using HMC.
. Used AIXpert command to set up variety of system configuration
settings to enable the desired security level.
. Build, configure and deploy VMs and templates. Completed Physical-
to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical
(V2P) migration of Windows NT, 2000, 2003, & 2008, as well as Linux
servers from VMware, Hyper-V and legacy hardware.
. High availability setup for two different clusters.
. Designed & Build a five node cluster from scratch and added nodes
to two different existing clusters.
. The task includes the following steps as to ensure all DBA/Apps
accounts exist with unique IDs on both production and failover
servers.
. Renaming Logical volumes, JFS log, VG names, assigning new major
numbers, VARYOFF VG, export VG and import VG with new major
numbers.
. Migrating user's home directory and applications file system to SAN
disk for failover.
. Wrote korn shell scripts for HACMP to automatically start, stop the
database and application when the server failover or fallback.
. Extensively involved in Backup & Restores.
. Third party software installation and upgrades, scheduled system
health checks, S.A. procedure documentation, New system planning,
Customer support, System related problem determination and
resolution.
. System Performance, Monitoring and Tuning
. Responsible for installation, upgrade, and Migration for AIX 5.3,
6.1.
. Responsible for the operation, maintenance and integrity of a
distributed, networked
. Performed package installations, maintenance, periodic updates and
patch management.
. Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP,
Auto mounts, Send mail and Print servers as per the client's
requirement.
. Managing and monitoring all TSM server operational processes.
. Defining, scheduling, and monitoring backup and Admin jobs.
. Work on performance issues in TSM environment.
. Provide reports for the overall TSM environment.
. Oversee maintenance and performance of tape drives and tape library
infrastructure.
. Managing the onsite/offsite tape inventory and movement with tape
operations.
. Participating in disaster recovery exercises and events.
. Forecasting TSM infrastructure capacity needs.
. Responsible for configuring LPAR for Production/Test environment
and configured disks/storage/DS4000 connections
. Worked with IBM p590 p570 p550 p520 servers connected to NETAPP
SAN. Configured and assigned hardware resources within LPARS,
installed AIX 5.3 and 6.1 and installed patches.
. Worked on Clustered NetApp Management and troubleshooting.
. Report Generation and Monitoring Errors in NetApp using OpManager.
. Configured NIM server, Alternate NIM server and NIM client's and
performed OS installation and OS backup (mksysb) for the clients
from NIM server.
. Installed VIO server Advanced POWER Virtualization on IBM P6 595
590 570 and created virtual resources (scsi & Ethernet adapters)
and allocated the same to client lpars
. Configured SAN storage to VIO servers and allocated the Luns to vio
client lpars using mkvdev command
. Responsibilities include day to day tasks such as file transfer,
creating account, creating logical blocks, monitoring the server
and application, running the script. Solving the hardware issues
. Patching, applying efixes, APARs and upgrading TL and SP to latest
levels
. Extensively worked on creating VIO's and client LPARS
. On- call production support 24/7
. Configured SAN storage to VIO servers and allocated the Luns to vio
client lpars using mkvdev command
. Installed VIO 1.5 on VIO server and aix 6.1/5.3/5.2 on vio
client's from NIM master
. Used HMC to create partitions, change LPAR properties and to
perform dynamic lpar operation
. Responsible for Upgrading the HMC from 6 to 7.3.2 to 7.3.3. and
performed Firmware upgradation by Upgrading the server from TL5 to
TL7
. Extensive experience in using Ticketing tool (IBM remedy)
. Installed various modules of SAN on the AIX servers and tuned
parameters to have a seamless SAP installation
. Configured Fiber Channel Switch for SAN usage, zoning included
. Installed/updated firmware on the controllers/drives/expansion
cabinets
. Created Arrays and Volumes for production use
. Monitored performance and recommended changes to enhance as
required
Environment: IBM P-series 770, 750, 595, 570,550 and RS 6000, VMware, SAN,
SAP, SVC, LPAR
IOffer, San Francisco, CA Jan 2010 to
Dec 2011
System Administrator (AIX, UNIX)
Responsibilities:
> AIX OS level support for the different version like 5.x/6.1and
installing & configuring of different operating systems like AIX 5.x
6.1
> Troubleshooting & Fixing of hardware and OS level issues and hardware
level issues
> Logical Volume Management, creating the Logical Volumes, Files
systems and mounting them
> Extensive experience creating LPAR DLPAR using HMC.
> Working with different blade servers with VIO support and IVM consoles
> Experienced in managing the Integrated Virtual Manager (IVM) consoles
and managing the LPAR's with them
> Experience in managing the blade server with the Management Module
consoles (MMC)
> Installating & Configuring the blade servers with VIO & IVM
configuration and managing them with MMC
> Troubleshooting the Blade servers in case of any hardware issues
> Extensively worked on creating VIO's and client LPARS
> On- call production support 24/7
> Servers builds on managed system for LPARs and on Blade servers
> OS Migrations from 5.x to 6.1 with the different POWER & BLADE
hardware
> Firmware level upgradations on all the POWER hardware and also on the
blade servers
> Patches & Technology level upgradations for all the LPARs and to the
servers/LPAR's under blade hardware
> Working with VIO servers & LPARs and on blade servers
> Working with IVM consoles for LPARs under blades
> Managing the blades with MMC and LPARs with HMC
> Supporting SAN attached to the AIX boxes on all the datacenters like
creating and mapping LUNs to the servers
> Configured SAN storage to VIO servers and allocated the Luns to vio
client lpars using mkvdev command
> Installed VIO 1.5 on VIO server and aix 6.1/5.3/5.2 on vio client's
from NIM master
> Used AIXpert command to set up variety of system configuration
settings to enable the desired security level.
> Working knowledge on Global/Metro mirror & Flash/remote copy mappings
with V7000 & SVC
> Fault Monitoring, Troubleshooting, logging vendor calls for hardware
issues
> Knowledge on NPIV
Barclays Bank, Wilmington, DE
OCT 2008 - Dec 2009
AIX/Unix/Linux Administrator
Responsibilities:
. Documenting the procedures and standards for other administrators
to follow.
. Setting up standards and solving complicated issues which were
escalated to engineering team
. Discussing with the vendors for new hardware requirements
. Built the AIX 6.1 Golden image and deploying it in the production
environment.
. Experienced in building VIOS 2.1.2.12 golden image and installing
in production environment.
. Installation of VIOS 1.5.2.5, VIOS Fixpack 11.1 Service Pack via
NIM Server.
. Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via
NIM Sever
. Worked on p595 590 570 550 & RS6000 frames
. Experienced in documenting the standard hardware requirements for
POWER7 (p750, p770) and installing AIX 6.1 on POWER7 hardware.
. Extensively worked on Mirroring of local disks as well as SAN disks
to maintain Data Redundancy and performed Data Replication
. Extensively work with SAN storage EMC VMAX, IBM SVC and DS series,
EMC Clariion, Symmetrix and Hitachi storage solutions.
. Configured 4.1TB and 3.2 TB of EMC SAN Storage for HACMP Cluster
nodes and extended physical volumes on VG and increased file system
sizes
. Installation of RHEL 3.3, 3.9, 4.3, 4.4, 4.5, 5.2 on the IBM blades
(HS20's, HS21's, Hs40's, JS23's), X series (3850's and 3650's),and
on Dell Power Edge servers (1950,2950,2900)servers either by ISO
boot or PXE boot using the kickstart server
. Installation of RHEL on IBM Bladeservers HS21 and JS22
. Day to day support and troubleshooting of RHEL
. Performed basic Troubleshooting.
. Creating the Linux file system.
. Updated the Linux Kernel from an RPM.
. Experienced in performing TL upgrades applying service packs on AIX
5.3/5.2 through
. Zoned and configured SAN Storage and extended LUNS VG in vanilla
and Cluster environment.
. Configured SAN Storage in vanilla and Cluster environment.
. Configured EMC SAN for HACMP Clusters and ensured the LUNS are
zoned as shared between the nodes
. Logical Partitions of VIOS and VIOC on Blade server and pSeries
frame
. Working on Veritas Volume Manager
. Installation of veritas volume manager on sun solaris operating
system,
. IBM's SVC and DS series, Power Path installation and involved in
Storage Area Network (SAN) administration.
. 24x7 on call production support
. Installation and configuration of VIO servers and updating system
firmware by using HMC along with Logical Partition technology
(LPARs).
. Building and configuring AIX V6.1, 5.3 on LPARs using NIM.
. Single point of contact for HACMP Cluster issues & support
. Designed & built a five node HACMP cluster from scratch and added
nodes to two different existing clusters.
. Experience in Migration of HACMP 4.3.1/4.5/5.1 to HACMP 5.4 using
Node-by-Node migration without changing the cluster setup.
. Extending file system and space management in HACMP and non HACMP
environment.
. Checking the status of the cluster and monitored the error log
files of the HACMP.
. Created and applied a cluster snapshot during cluster failure
because of configuration changes in HACMP cluster environment.
. Responsible for adding and setting up the start and stop scripts
for the application server in a HACMP cluster environment.
. Wrote shell scripts for HACMP to automatically start, stop the
database and application when the server failover or fallback.
. Implementation and Configuration of HACMP[V5.2/5.3] clusters.
. 24x7 on call production support
. Shell scripts to gather server resource statistics like available
memory, processors etc from multiple servers
. Written Shell scripts to collect server statistics
. Documenting each and every procedure and uploading the Documents on
the Internal Web Portal of the Company for Team Reference.
Environment: IBM pSeries 550, 570,590, 595, AIX v5.2/5.3/6.1, VIOS, LPAR,
HACMP V5.2/5.3, Windows 2000, Oracle 9i,Oracle 10g, Veritas Netbackup Java,
DB2r, LVM, SSH, IBM BladeCenter JS22, FAS3100, FAS2000 storage devices,
Tivoli, TSM, Weblogic, Web Sphere application Server. REDHAT LINUX, ZLINUX