Senior Certified UNIX System Administrator

Professional Summary

• Virtualization,Bonding/Bridges/VLAN's,Install/Configure Virtual Guests.
• Experience working with POWER 7, 6, 5, 4 Series which include IBM pSeries 780, 770, 595, 570, 550, 520, and 505 IBM xseries x366, 8670/71X, 8837/45U, 8670/345 5.6/5.8/5.10/6.2/6.4.
• Experience Working With IBM AIX 5.1/5.2/5.3/6.1/7.1 and Red Hat Enterprise Linux
• Deep Understanding of Virtualization Technologies VIOS 2.2.1,KVM and RHEV.
• A seasoned AIX/LINUX System Engineer/Analyst/Administrator with 8 years of experience in Administration, Engineering and Development of Information Systems.
• Experience Working with Dell and HP Intel Hard Ware Which includes HP Dl360/380/G1/G5/G6/Gen 8 and Dell Power Edge 620
• Utilized IBM HMC - V7.X and V6.X Blade Center HAMM and IVM to perform all virtualization/powerVM tasks like creating VIOS and LPARs, CPU, Memory, virtual adapter allocation/creation, Micro partitioning, VLAN Tagging, NPIV.
• Configured Dell Drac/HP ILO and Utilized Dell Drac/HP ILO to install RHEL 4.X, 5.X and 6.2
• Hands On Experience In Install/Configuration and Maintenance of various Job Scheduling Tools like IBM TWS Tivoli Work Load Scheduler, Autosys and Control M.
• Hands On Experience In Identity Management ITIM Tool.
• Hands On Experience In provisioning Management tools like BMC Foot Prints, Blade Logic and Hp DNA
• Perform Firmware Upgrades on IBM Series P550,p570, p595,p770,HP dl360/380/G6/G7 Gen8 and ILO upgrades on HP dl360/380/G6/G7 and Gen8 .
• Responsible for security remediation such as password change, file permissions, security, setuid, rlogin, rsh, rexec, telnet, rcp, rhosts, syslogd, scan and audit root accounts, password change policy, OS Upgrade and patching according to SOX standards on both AIX and Linux
• Experience with EMC VMAX/Power Path, symmetrix, IBM's SVC and DS 4800, 6800 and 8000 SAN.
• Independently built, configured and upgraded VIO 2.2.1 servers to implement virtual HBA NPIV shared SCSI, shared Ethernet adapters, VLANS, allocating disks via VIO servers to client LPARs.
• Independently built,configured and Upgraded Red Hat KVM 5.X and 6.X Servers to Implement
• Customer-facing, team player with the ability to understand the clients infrastructure needs and worked on technical proposals to meet them effectively.
• Expert in Installing, Configuring and Maintaining LDAP, DNS, NIS, NFS and Auto FS on AIX/LINUX.

Technical Experience:

Operating Systems

Sun Solaris 10, 9, 8, Windows 2003/XP/2000, Red Hat Linux ES AS, HP-UX, IBM-AIXHardware

Sun Ultra Enterprise Servers E3500, E4500, E450,E420R,E250,Sun Fire 0 /3800 / v 0 /v210/v440/280R/15K/25K, Sun Workstations Ultra 5, 10,20,Blade 100,150,2000, IBM F-series and P-series, IBM RS6000, Sun Storage Array D1000,A5000

Software

VERITAS Volume Manager, Solaris Volume Manager, VERITAS Net Backup, VERITAS File System, Solaris Disk Suite, LDAP, DNS,NIS,NFS

Tape Hardware

Storage tek tape libraries L40, L80, L180, L700, Sl500, Sl850,DAT DLT, STK 9940B, 9840B, LTOs

Cluster

Sun and VERITAS Cluster Server

Web/Application Server

Tomcat, Apache, WebSphere, WebLogic, RedHat

Scripting Languages

Bash,Ksh,Born and Perl

Database

Oracle 7.3 / 8 / 8i / 9i/10g, DB2/UDB, AS/400, Sybase

Languages

C,SQL,C, Shell and Perl Scripting,Java,HTML,XML

ERP

People Soft,Siebel,SAP R/3

Professional Experience

CONFIDENTIAL

AIX/LINUX Systems Administrator

• Responsible for the installation, configuration and support of AIX/Linux servers.
• Responsible for Installing and tuning the RHEL KVM's on Hp-DL Proliant Servers, Dell 620 using Kick Start and ISO's
• Hands On experience in performing the Host Based VG Disk Migrations on both AIX and RHEL and Migrated servers from DS8000 Array to SVC array.
• PerformFirmware Upgrades on IBM Series P550,p570, p595,p770,HP dl360/380/G6/G7 Gen8 and ILO upgrades on HP dl360/380/G6/G7 and Gen8 .
• Perform OS Upgrades or patching on IBM AIX and Red Hat Enterprise
• Lead Administrator during hardware migration for servers for p550, 570 and 595 to new created LPARS on p770 frames.
• Strong experience on Configuring Bonded Devices with VLAN and Bridges on KVM servers for Building different Linux Guests with Non Prod and Prod Configurations
• Migrated servers to new hardware using the SAN disk migration process and using the downtime for the OS upgrade to AIX 1334.
• Provided virtualization support using Red Hat's KVM platform to create and manage virtual host.
• Responsible for making LPAR and DLPAR through HMC and Installing AIX on the logical partitions.
• Strong in Installing and Administering IBM Dual VIO's and performed various tasks like Creating and Configuring Link Aggregation SEA/Virtual
• Implemented DR Solutions For Jackson Using PPRC/SVC-PPRC/FLASH Copy

Solutions

• Adapters/NPIV/VSCSI/Assigning VLAN ID's
• NIM installation, setting up NIM servers, clients, defines the resources and using Alternate Disk for OS upgrading.
• Upgraded servers AIX 6.1 TL8 SP3 to AIX 7.1 TL 2 and TL6 SP3.
• Update of fix packs from to 9.8v and 10.1v Db2 Pure scale clusters.
• Strong in Administering GPFS and Pure Scale Based File Systems.
• Upgraded High performance DB2 Pure Scale Cluster From 9.8 V FP005/10.0 V FP001 to 10.0 V FP003
• Strong in LVM in AIX/LVM and file system management and recovery. Worked on striping of PPs and Mirroring Volume groups
• Implementation of WLPAR and Live partition Mobility with IBM Director.
• Strong in Trouble Shooting Issues associated with Linux Kernel/Boot issues and AIX Boot Issues.
• Installed and Administered Various Application Software PRODUCTS SAP BO 3.X /4.X on AIX and LINUX.
• Performed Performance tuning for Sybase, BOSS Sap BO on Linux.
• Upgraded Tivoli Work Load Scheduler from 8.2.1 to 8.5,8.5 to 8.5.1 FP005 on RHEL and AIX.
• Hands On experience performing Patch Remediation and End of Life Support.
• Installing and Configure Tivoli Storage manager clients 5.5.2/6.2.2/6.4.2 on RHEL an AIX servers For backing UP os and Database using BA and API .
• Installed DB2 V9.7/V9.5/V10.X ESE/WSE Clients on AIX and Linux Servers.
• Strong experience in Monitoring Servers and Databases using Nagios Servers.

CONFIDENTIAL

AIX/LINUX Systems Administrator

• Migrated HACMP 4.3.1/4.5/5.1 to HACMP 5.4 using Node-by-Node migration without changing the cluster setup.
• Strong in Administering VERITAS Volume Manager/Logical Volume Manager on AIX/LINUX
• Creating the New SUDOER's Role and Providing access to SUODERS for users as per the requirement.
• Hands on experience in Installing Patches on windows using Microsoft Gold Shield.
• Hands on experience in rebuilding the secondary Disks.
• Implemented Firmware Updates on the Hp dl 380 Proliant IBM xseries.
• Strength in configuring DHCP, DNS,LDAP,NFS, SAMBA, Apache, Vsftpd, and Squid Proxy servers.
• Involved helping DBA and Application Admin in SAP Instance rename and Oracle database rename.
• Worked on AIX support for SAP Environment such as CRM/SRM, EP, BI, NW,R/3 and XI.
• Installed and Administered AIX 5.X and 6.X on p RS6000 frames.
• Installed and Build Linux Guests on VM ware ESX hosts using Vsphere Tools.
• Installed and Administered RHEL 4.X/5.X/6.X On Hp DL380G3,4 5 series HP BL20p and IBM X series x366,8670/71X, 8837/45U, 8670/345 Using Kick Start
• Installed and configured of VIO servers and updating system firmware by using HMC along with Logical Partition technology LPARs .
• Hands on experience in rebuilding the servers with Dsk0 Boot Disk failure.
• Hands on experience in rebuilding the secondary DisksFor Red Hat Enterprise on HP DL Proliant and IBM X series Servers.
• Extended file system and space management in HACMP and non HACMP environment.
• Created and applied a cluster snapshot during cluster failure because of configuration changes in HACMP cluster environment.
• Perform OS Upgrades/Patching ON AIX /RHEL/LINUX servers using Local Repository Yum, Insta llp and Live Upgrade .
• Effective use of utility's like SSH and IP TABLES for firewall configuration on Red Hat Enterprise Linux
• Installed and Configured VERITAS Volume Manager VXVM to perform file system management on Solaris.

CONFIDENTIAL

UNIX/AIX Systems Administrator

• Maintained availability, increased capacity performance of production machines by upgrading their hardware Disks, CPU, memory, i/o board, power cooling unit, mother board etc firmware.
• Configured volume groups and logical volumes, extended logical volumes for file system growth need using Logical Volume Manager LVM commands on AIX/LINUX
• Managed Logical volume and Paging space and file systems on AIX/LINUX
• Monitored file system space using simple shell scripts resize file systems as and when required.
• Installed Various APAR/IFIXES for Databases related issues on AIX Server.
• Installed and Configured Autosys Client on AIX and Linux Servers
• Installed and configured Tivoli Work Load Scheduler 8.2.1 on RHEL 4.x, 5.X and 6.2 and AIX 5,6.
• Configured EMC Power path and IBM native MPIO for VIO Client LPARs
• Configured TSM Server and TSM clients on AIX servers
• Disaster recovery plan, implementation and testing. Participated in more 300 tests.
• Replication of NIM server data to disaster recovery centre for testing and quick restore.
• Storage migration project from EMC- DMX3 to EMC-DMX4. Storage capacity plans, migration planning, disk mapping to have optimal performance for all production servers.
• Building Network installation master NIM server for the enterprise to be a central server to hold all versions of OS and patches, Mksysb for quick restore, NFS server for backup of mksysb from all servers on a regular time interval and also backup all HMCs critical console data.
• Migration of Operating systems from AIX 5.2 to AIX 5.3 and to AIX 6.1
• Installed and configured Red Hat Linux 5.0 Using Kick Start on Dell, Proliant, and Enterprise Server 4.0.
• Installed VIOS 1.5.2.5, VIOS Fixpack 11.1 Service Pack via NIM Server.
• Installed and Configured Racks and Bays at hardware Level.
• Implementing the ON-BOARD IP address tasks setting at hardware level.
• Configuring ILO's, Installing ILO's permissions and Creating ILO accounts for the new Bays.
• Implemented Firmware Updates on the Hp dl 380 Proliant IBM xseries.Hands on Experience in fixing security issues using tools like ESM Symantec .
• Hands on experience in implementing LVM in RHEL for File System management.
• Using vmstat, iostat, ping, ifconfig, snoop, Arp and netstat to determine the System and Network health in both Linux and Solaris.
• Wrote Shell Scripts to Automate Day to Day Administration.

CONFIDENTIAL

Linux /Solaris System Administrator

• Installed Sun Solaris 9 and 10 on sun T2000 Servers using Custom Jump Start.
• Maintained RedHat Linux servers on HP-D1585 Servers.
• Installed and Maintained VERITAS Volume Manager.
• Installation of VERITAS Netback up on Client side.
• Scheduling full and incremental backups using Net Back Up on daily, weekly and monthly basis.
• Installed Web Sphere 5.1 Servers.
• Creating and maintaining system documentation, including installation / configuration documents.
• Hands on experience in Oracle Security Middleware or Oracle Access Manager or Oracle Internet Directory
• Involved in setting up Mail System using Send Mail 8 on RedHat Linux 8.0.
• Involved in setting up WebMail ---Squirrel Mail 1.4.2 on RedHat Linux 8.0.
• Set Up DNS Primary and Secondary Servers on Sun Solaris 10
• Provided Support with DNS problems of accessing servers.
• Set up VERITAS Volume Manager and Maintaining Disks Partition Data.
• Setting up and configuring Security in Sun Solaris.
• Kill Hung Processes, Create User Accounts.
• Check /var/adm/messages, /var/wtmp, lastlogin, sulogin files to check for errors and audit of systems.
• Experience with adding and configuring devices like Hard disks
• Configuring NFS, Auto-Mounter and disk Space management on SUN servers and Red Hat Linux.