RAFI MOHAMMED

Phone: 430-***-****, Email: ab9pv6@r.postjobfree.com

SUMMARY:

. An AIX System Engineer/Analyst/Administrator with over 7 years of

experience in Administration, Engineering and Development of

Information Systems.

. Expertise in AIX 7.1/6.1/5.3/5.2/5.1.

. Experienced in installation, configuration, tuning, security,

backup, recovery and upgrades of IBM AIX (5.x, 6.1), Linux (Red Hat

& SuSE), and Windows 2003 server.

. Comfortable working with IBM Advanced Power Virtualization features

such as VIO, Micro partitions, HMC, IBM NIM Server.

. Installation and configuration of VIO Server with AIX 5.3 and Aix

6.1 on VIO client LPAR's on pseries 520, 550, 570, p595 and p770

models.

. Built VIO Servers and clients on P595 servers and p770 servers.

. Installed and configured Aix 4.3, 5.1, 5.2, 5.3 and Aix 6.1.

. Installed and configured RHEL Linux, Novell SUSE Linux Enterprise

server 9, 10 on servers and desktops.

. Administration of GPFS NSD involved activities like Creating and

increasing Filesystems, NFS exports, FS shares, creating GPFS

Clustered servers, fileshares.

. Installation and troubleshooting on VMware running Linux

(RehHat,SUSE) and Windows.

. Implemented and configured WPARS on servers.

. Migrated the vio servers from 1.3,1.5 to VIO 2.1 and 2.2.

. Implemented Live Partition Mobility in P6 servers.

. Implemented and managed resources in VIO server for client Lpar's.

. Have build and setup a dual VIO server with Virtual Scsi and SEA

for vio clients.

. Experience with IBM technology such as HMC 6,7.1,7.3 versions,,

LPAR, Virtual I/O Server, Network Installation Management (NIM)

HACMP, Micro Partitioning and Dynamic LPAR.

. Upgrading HMC Version 6.x to 7.3 with the latest service packs.

. Installed the latest fixes service packs and TL upgrades on

servers.

. Installed and configured IBM Power HA.

. Experienced in installation, configuration, tuning, security,

backup, recovery and upgrades of IBM AIX, Linux (RedHat &

SuSE),Windows 2003 server.

. Experienced in increasing the file system, create Mirroring,

striping and parity using Veritas volume manager (VxVM).

. Worked with monitoring tools like Tivoli monitoring, HP OpenView,

Wily, Active Watch and BMC Patrol.

. Configuration of EMC CLARiiON Products on AIX Environment.

. Adding SAN (EMC Symmetrix, Clariion, IBM, Hitachi ) on AIX.

. Experience in working with IBM DS8000, DS4700, DS6800,

FAStT/DS4800, DS4500 (FAStT 900), USP600, AMS500, IBM nSeries

storage hardware and SAN Fiber director series.

. Installation/Administration of AIX on Pseries(

610,520,550,570,regatta), B80,RISC servers running on a LAN with

full setup of network services and protocols, ensuring the proper

implementation of the TCP/IP Stack, and network functionality.

. Installation and configuration of NIM master server and clients.

. Installation of patches, packages on AIX, Linux and Windows NT/2000

Servers.

. Adding network printers and conducting day-to-day system

administration, including backup/recovery in NAS environments.

. Migrating AIX OS from 4.3.3 to 5.1 on pSeries, RS/6000 Servers.

. Migrating AIX OS from 5.1 to 5.2, 5.3 on pSeries, RS/6000

Servers.

. Administering and troubleshooting of AIX HACMP Cluster.

. Installation, Administration and configuration of LPAR's with AIX

5L on p5 servers.

. Experience in LPAR planning and virtualization.

. Installed and configured VIO server via HMC.

. Experienced and familiar with tools like SMIT and SMITTY.

. Performed NT and UNIX Network System Administration, including

adding NT and NIS domains, creating new users and groups with multi-

levels of security, creating assign file attributes & permissions,

defining network protocols, insuring TCP/IP and router

connectivity.

. Good problem Debugging experience to solve TSM Backup problems with

clients on various platform.

. Expertise in Planning, Installation, Configuration and Maintenance

of IBM HACMP V4.5, 5.1 on AIX 5.1/5.2.

. Installed and Configured DB2 on AIX OS Server.

. Installed O.S Windows 2003, Windows 2000/NT 4.0.

. Installed Windows Resource tools, VMware ESX server in Citrix

MetaFrame Xp Environment.

. Experienced in writing simle scripts such as Korn Shell (ksh) and

perl.

. Experienced in DNS, NIS, NFS, LDAP, sendmail, ftp,SCP remote

access, security management, and system troubleshooting skills.

. Experienced in using Tools and softwares like APERTURE, INFOMAN,

TPM/DCA, CONFIGDB, TCRS, ResolveIT, Bravura, Viewpoint, Servicenow

etc.

. 24x7 Infrastructure and Application support.

. Strong analytical and problem solving skills. Well versed working

in a fast paced, dynamic environment with timelines and milestones.

. A team player with good written and communication skills, willing

to handle wide variety of tasks

. 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

TECHNICAL SKILLS:

IBM AIX 5.X, 6.X 7.X, RedHat 4.X, 5.X, Sun

Operating Systems Solaris 8, 9, 10, ESX (i), Windows NT

IBM p510, p550, p570, p595, p770, p780, Blade

Hardware Server JS22, JS23, HP C6000

Storage EMC Symmetrix, VMAX, IBM DS4700, DS6800

Cluster HACMP 5.4, PowerHA, Veritas Cluster

Network HA Ether Channeling, NIC Bonding.

Storage HA HDLM (Hitachi), Power Path (EMC), DMP

(Veritas), MPIO

File System AIX Logical Volume Manager, VERITAS Volume

Manager 3.X, 4.X

Virtualization HMC, VIO, IVM, VMware vSphere client 4.X

Servers Apache Web Server and Tomcat Application

Server

Centralization LDAP (RedHat), Kerberos (Windows AD), NIS

Service Management Infra, BMC Remedy, Team Track

Third Party Tools BMC BMC Patrol, Remedy, CMDB, Blade Logic

Domain Knowledge Banking, Insurance, Logistics, Information

Technology

PROFESSIONAL EXPERIENCE:

Citi Bank, Houston, TX July

2011 to Till Date

AIX/Unix Administrator

Responsibilities:

. Have built and installed Dual Vio Servers on Power6 520,P550,

p595s and p770s.

. Installed and configured Aix 6.1 on P595 servers and p770 servers.

. Migrated to Aix 6.1 from 5.3 and VIO Servers VIO 2.1 to 2.2.

. Created Virtual Scsi server and client adapters.

. Created Shared Ethernet adapter (SEA) with Control Channel adapter

and the Failover.

. Mapped the disks from the SAN to the VIO clients through VIO

servers.

. Installed and configured Tivoli Monitors ITM5 and ITM6.

. Installed and configured oracle RAC.

. Installed and configured two node GPFS clusters.

. Installed and configured 8 node GPFS clusters.

. Experience in installing new software, fixes/patches on AIX.

. Installed aix OS using the spot through nim server on the nim

clients.

. Upgraded VIO 2.1 to 2.2.

. Experienced in HMC GUI and command based server build and

configurations.

. HMC GUI and command based profile updates.

. Experienced in using and troubleshooting Tools and softwares like

APERTURE, INFOMAN, TPM/DCA, CONFIGDB, TCRS, ResolveIT, Bravura,

Viewpoint, Marketplace etc.

. Built servers using TPM/DCA.

. Installed, configured and Upgraded Code-1-Plus and Verimove

applications.

. NDM connect-direct Secre+ Installation and configuration for

Database servers.

. NDM configuration, troubleshooting and support.

. Netbackup6.x and 7.x and FDR Installation and configuration.

. Network parameters tuning and system performance tuning.

. Performance Management & Tuning of AIX UNIX Kernel.

. File transfer protocols including SCP, FTP, SFTP.

. Expertise in using performance tuning related tools such as topas,

netstat, vmstat and BMC Perceiver.

. Experienced with UCDS and GSF security models.

. Installation and configuration of Secure-ZIP utility on AIX.

. Worked on LDAP managed servers migrated servers between security

models and from one OU to another.

. Tools and softwares used APERTURE, INFOMAN, TPM/DCA, CONFIGDB,

TCRS, ResolveIT, Bravura, Viewpoint, Servicenow.

. Installations and configuration of Verimove, e-Vault, Mail360

softwares for Application support.

. Provided 24X7 support.

StateFarm Insurance, Chicago, IL Aug 2007

- June 2011

Senior AIX/Unix Administrator

Responsibilities:

. Responsible for Remote Unix Support With more than 125 servers.

. Provided 24x7 on call server support for UNIX environment including

AIX, Linux, and Sun Solaris.

. Provided 24x7 supports on shift rotation basis.

. Configured IBM p5, B80, RS 6000, for production, staging and test

environments.

. Installation and configuration of LPAR's with AIX 5.3 on p5

servers.

. Experience in LPAR planning and virtualization

. Installed and configured VIO server via HMC

. Extensively used LVM, created VGs, LVs, and disk mirroring.

. Responsible for Installing Security fixes and APAR's in Servers.

. Installation and upgrade of OpenSSH 4.3p1 on AIX 5.2 and 5.3,

OpenSSH 4.1p1 on AIX 5.1 servers.

. Installation and configuration of NIM master server and clients.

. Creating lppsource and SPOT for client on NIM server.

. Installing OS on NIM clients using NIM Server.

. Setup and configured network TCP/IP on AIX including RPC

connectivity for NFS. Created mount points for Server directories,

and mounted these directories on AIX Servers.

. Setup of full networking services and protocols on AIX, including

NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print

servers to insure optimal networking, application, and printing

functionality.

. Designed and configured Ethernet VLAN's with RS/6000 IBM Servers,

Cisco Routers (2500/2600 series) and Cisco Switches (Catalyst 2912)

utilizing RJ45 CAT5 cables for the internal LAN, and a T1 fiber

uplink across a Cisco backbone for connection on the WAN.

. Configured Work Load Management (WLM) for IBM Websphere Application

Server.

. Installed and configured AIX 4.3, 5.0, 5.1 on p5,B80,RS 6000,

creating the root volume group, application/backup volume groups,

logical volumes, and filesystems (JFS) on RAID Level 5 with

appropriate data stripping for protection, and for the optimal

performance of the Servers within a High Availability system using

DASD, DCE and DFS services.

. Installed and configured DCE and DFS services.

. Setup of full networking services and protocols on UNIX, including

NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print

servers to insure optimal networking, application, and printing

functionality.

. Installed and configured Sudo for users to access the root

privileges.

. Installed application connectivity software to enable IBM print

services. Configured and administered firewall rules, including the

use of SNORT, NMAP to effectively monitor system files, port

security, and network traffic activity coming through the firewall.

. Administered Linux servers for several functions including managing

Apache/Tomcat server, mail server, MySQL database, and firewalls in

both development and production.

. Developed Korn and Bash shell-scripts to automate routine

activities.

. Installing and setting up Oracle9i on Linux for the development

team.

Braves OMS / CSC India Pvt Ltd, Pune, MH June

2006 - July 2007

Client: APL Logistics, Scottsdale, Arizona, USA

AIX/Unix Administrator

Responsibilities:

. Delivered infrastructure projects like IBM frame build, vlun

fixing, VIO upgrades HMC upgrades, system firmware upgrades, change

managements of production servers etc.

. Managed the work load for UNIX resources to meet deadlines for

various technical tasks related to PCI/PII, SOX, MSB and various

other audits. This work load includes system hardening, OS

upgrades, support database/application upgrades.

. Performed 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.

. Written Shell scripts to collect server statistics

. Used svmon command a lot in scripts for memory aspects

. Written Scripts that will generate reports as per the business

. Written Shell scripts to create users on multiple servers

. Written Shell scripts to check if all the servers have dual SAN

paths and if they are live paths

. Implements and managing resources in VIO server for client LPAR's.

. Supporting of the system monitor, trouble shoot, problem solving,

support and fix operating system and hardware problems on several

versions of AIX systems.

. Responsible for creating LPAR's from the HMC and allocating

resources to each individual server and hence building the servers

from scratch

. Configuration of VIO server and VIO clients from Hardware

Management Console.

. Expertise in installation, Configuration and Troubleshooting of

High Availability Clusters HACMP.

. Responsible for migrating HACMP from v5.4 to 5.5 and to PowerHA

. Clustered multiple p-series machines on AIX 5.3 and AIX 6.1 using

HACMP 5.4 and IBM PowerHA.

. Responsible for installing configuring, migrating and maintenance

of GPFS version 2.1 and 3.3

. Administering and troubleshooting of AIX HACMP Clusters.

. Migrated from HACMP 4.3 to 5.1 and from HACMP 5.1 to 5.2 and 5.4.

. Disk Management on AIX using LVM commands and external storage

device.

. Designed, installed and configured HACMP cluster environment, with

cascading and mutual takeover.

. Troubleshooting on High Availability Clusters (HACMP).

. The luns added to RAC DB were using Oracle ASM (Automatic Storage

Management) and not AIX LVM.

. Each server in Oracle RAC cluster required SAN disk storage

dedicated to itself, as well as SAN disk storage that is shared

between all servers in the cluster and all these Luns were using

Oracle ASM (Automatic Storage Management).

. Once the Luns were allocated to RAC ASM they were to be managed by

Oracle DBA's

. Upgrading HMC version from 6.x to 7.3.4 and 7.3.4 to V7R4 SP

0(7.4.0.0) and applying efix.

. Daily tasks included dealing with AIX/Solaris side of SAN (EMC).

Like troubleshooting Fiber card adapter, replacing Fiber card

adapters. Configuring LUN's back

. Adding new managed systems to the HMC and upgrade the firmware of

the HMC's as required.

. Performed the daily system administration tasks like managing

System resources, Disk space resources, operations and security.

. Installing and Configuring and troubleshooting applications SAP,

Oracle, DB2 and Websphere.

. working with LVM, Disk mirroring, unmirroring, Disaster Recovery

. Responsible for Profile backup of Managed Systems and Critical

backup of HMC.

. Responsible for new installation and migration of servers through

NIM, software installation and updating through NIM.

. Performed NIM installation of AIX servers using Virtual Ethernet

within a managed system.

. Built AIX OS complete/migration/preservation installation for the

IBM P series, 550,570, 590, 595, 690 with Operating System levels

of 5.1, 5.2, 5.3,6.1 TL5 SP6.

. configured TSM environment, Create and Automate Backup Schedules

and Cleanup processing, scheduling of backups, Add backup jobs to

the TSM schedule, Associate TSM clients to the scheduled jobs

. 24x7 on call server support for UNIX environment including new

hardware in Data Centre.

EDUCATION: Bachelors of Engineering.

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