Summary

• Over 6 of experience in large scale enterprise production environment working as a Systems Administrator of Unix ,AIX, Sun Solaris, SAN, Linux, HP-UX and Windows Server systems.
• Experience with installation administration of AIX 4.3, 5.1, 5.2, 5.3, 6.1 and 7.1
• Expertise in adding and removing user accounts, backing up programs, maintaining system database files and maintain the project servers.
• Worked on power6 and power5 hardware of IBM. Performed Logical Partitioning, virtualization and clustering for p595 p590 p570 p550 frames
• Expertise in Virtualization on Power7/6/5 frames.
• A rock solid knowledge of virtualization of p-series and Blade servers. I was the single resource to manage, build and configure the VIOS and LPAR's on Blade servers and p-series.
• Supported SAP Team for smooth installation and implementation of ERP.
• Worked with Network Appliance - Network File System and NetAPP Filers
• Worked with network Admins to configure virtual interfaces vifs on NetApp
• Installed and configured of NetApp hardware and software products.
• Good experience in script cleanup procedures and backups
• Experience working on Firewall rules and network connectivity and Load balancers
• Ability to work with DB admin on DB2 and Oracle databases
• Expertise in SMIT, LVM Logical Volume Manager , Mirroring, User Administration System Resource management, Paging Space management, and job scheduling.
• Migration of TSM 4.3/5.1/5.2 to TSM 5.3, 5.4, 5.5, 6.1 on AIX and windows servers.
• Working knowledge of VERITAS Net backup, VERITAS Volume Manager, file system maintenance, and performance analysis and tuning.
• Experience in Siebel CRN, Pega, Webserver, Java based applications
• Expertise in Migrating AIX OS from different AIX p series servers.
• Build countless VIOS and LPAR's on p-series p550, p570, p590, p780. Configuration and installation.
• Used HMC to create partitions on frames
• Created numerous frames with virtual resources and allocated the same to virtual clients
• Created vscsi virtual Ethernet adapters
• Allocated SAN to VIO clients by using mkvdev command
• Good understanding of networking/distributed computing environment concepts
• Experienced in installation, configuration, Deployment and management of enterprise applications using IBM Web Sphere Application server 3.x/4.x/5.x/6.x/7.x and IBM WebSphere Portal server 6.0/6.1 on Different platforms Solaris, Red Hat Linux, AIX Windows2000/2003 Server
• Configured and Administered HACMP 4.5, 5.1, 5.2, 5.3, 5.4, 5.5 IBM PowerHA.
• Extended knowledge of IBM virtualization including configuring VIO servers
• Experienced in Installing, Configuring and Administering of WebSphere MQ Series product on AIX/Linux/Solaris
• Installed SAP basis on AIX 5.x platform and troubleshooted issues encountered during the installation
• Installation, Administration and configuration of LPARs with AIX 5L on p5 servers
• Installed and configured DLPARs and profiles in DLPARs through HMC.
• Experience in installation and configuration of SAP AIX servers.
• Installation and configuration of NIM master server and clients.
• Understands principles of routingclient/server programming
• Expertise in MM Management Module IP reset at times of failure master in H-type Blade Center.
• Configured VLAN on Nortel switches in Blade Center.
• Knowledge of EMC Symmetrix.
• Implemented and configured Storage Area Network SAN using Fiber channel Technology for the LAN-free Backups.
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.
• Ability to work in a team as well as alone.
• Comfortable to assist the company at any given time.

TECHNICAL SKILLS

• O/S: RHEL 2.x,3.x,4.x,5.x and 6.x, AIX, Windows 2000/03/NT4.0, Wintel Sun Solaris, HP-UX. MAC8.1/9/10 OS2
• Hardware: HP, DELL ,IBM, PSeries, SUN Enterprise.
• Servers: Web Sphere Application Server 3.5/4.0, Netscape/iPlanet Server, MQSeries, Web Logic Server, IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB, Apache 2.2, Tomcat 5.5, Active MQ
• Networking: TCP/IP, RPC, UDP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, LAN.
• RDBMS: IBM UDB2, Oracle 7.x/8.0/9i, MS-SQL Server 7.0/6.5 and MS-Access 97/95.
• Languages: C, C , Java, Servlets, JSP, EJB, VB, JavaScript, HTML, Shell.
• Applications: HACMP, Samba, Tivoli TSM , Symantec Net Backup, VERITAS Volume Manager.

PROFESSIONAL EXPERIENCE

Confidential

UNIX/AIX System Administrator

Responsibilities:

• Worked on AIX 5.3 and 6.1 running on ten P5s P550 and P560 , two P6s P6 550 , and six P7s P700, P702 and P750 attached to EMC storage subsystems
• Experience with Power VM 2.2 VIO , HMC Version 6 and 7, EMC CLARiiON subsystem device configuration Power path
• Power VM Virtualization SEA, vSCSI, NPIV , Dynamic LPAR DLAPR
• Experience with Integrated Virtualization Manager IVM
• Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR's
• Perform day to day LVM operations and System Admin tasks
• Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier
• Set up and troubleshoot issues with Secure Shell in the environment to accommodate script automation and password changes
• Experience with installing and configuring sudo, proposed and implemented the idea of building a master sudoers file, and worked on a script to push the file to client LPAR's on a weekly basis to lock down sudo access as a part of security audit
• Installed and automated config 2 html scripts on client LPAR's and documented the RGA AIX environment by designing a webpage to access the cfg2html and ganglia output
• GSD331 troubleshooting, find any incompliant servers are Remediate GSD331.
• Installed WebSphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
• Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0 ND.
• Experience in NetApp storage devices, setup, configuration, operations and connecting to pSeries hardware.
• Solid understanding of Keon theory, being able to make directory architectural recommendations such as additions to DIT, schema extensions and indexing, Analyze and implements ACLs
• Experience in installing configuring and administering MQ 5.3/6.0 on AIX, Linux and Windows environments.
• Installation and configuration of LPARs with AIX 5.3 on P5 servers. Manage LPARs and provide virtual memory management and memory optimization.
• Experienced in SAN Zones and creating LUN for the Servers as requested
• Experienced with working with Systems Engineers to implement storage solutions which provide high performance, data protection and cost effective use of available storage.
• Installation, Configuration and Troubleshooting of Tivoli Storage Manager TSM and License Manager TLM . Upgrade TSM from 5.1.x to 5.3.x.
• Management of all SAN storage systems, Hitachi, EMC, SUN capacity planning and performance tuning.
• Work with IBM DS8000, DS4700, DS6800, FAStT /DS4800, DS4500 FAStT 900 , USP600, AMS500, IBM nSeries storage hardware and SAN Fiber director series. Configure and administer Fiber card Adapter's and handling AIX part of SAN.
• Configuration of VIO server and VIO clients from Hardware Management Console..
• Administration of multiple AIX machines, AIX clusters, and SP nodes from any client platform through WebSM.
• Installation and configuration of NIM master server and clients. Installing OS on NIM clients using NIM Server.
• Implemented PLM Partition Load Manager on AIX 5.3.
• Well-versed with configuring NPIV for storage backup purposes
• Documentation: Implemented naming standard supporting Oracle Databases
• Documented the procedures to install VIO, Client LPAR's NPIV setup on AIX machines
• Provided 24 7 on-call support for AIX server

Confidential

UNIX/AIX Admin

Responsibilities:

• Plan, design, install, configure, troubleshoot, administer and performance tune AIX 4.3, 5.1, 5.2, 5.3 and 6.1, Solaris 10, Red Hat Linux Version , HP-UX, and SLES Linux.
• 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
• Configured and administrated LPARs.
• Responsible for installation and maintenance of VFSX in a clustered environment.
• Administration and maintenance of WAS ND clusters vertical, horizontal and deployment of applications in highly available, load balanced production environments.
• Developed web service integration layer for Web Sphere Portal. Install and configure Web Sphere Portal 5.1/6.0 on AIX, UNIX and Windows.
• Installation, administration of VIO Server and VIO client LPARs. Configuration of VIO server and VIO clients from Hardware Management Console. Upgrade VIO version 1.4 to 1.5 and 1.4.1.2-FP-9.2 to 2.1.
• Implementation of OS security as per ITRM standards.
• Migrated from HACMP 4.3 to 5.1 and from HACMP 5.1 to 5.2 and 5.4.
• Designed, installed and configured HACMP cluster environment, with cascading and mutual takeover.
• Dealt with AIX side of SAN troubleshooting fiber card adapter, replacing fiber card adapters and configuring LUNs back.
• Installed Web Sphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
• Install, configure and administer MQ 5.3/6.0 on AIX, Linux and Windows environments.
• Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0 ND.
• NetApp storage devices, setup, configuration, operations and connecting to PSeries hardware.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Experience with storage networking, with vendors/technologies such as iSCSI, SAN/NAS, data center storage consolidation, EMC, NetApp, HDS, HP, or Supported and Good Knowledge of designing IT architectures for storage and backup in the enterprise.
• Experienced in Storage Enterprise Cost Reduction, Storage Consolidation, Backup and recovery Methodologies, Storage Replication and Disaster Recovery Solutions.
• Knowledge of ITIL and Business Continuity processes, experience with tape technologies, Information Life Cycle Management.
• Experienced with operating and performance tuning storage platforms across the organization to ensure high levels of data quality, availability and security.
• Establish strategies for storage consolidation, centralization, and optimization to reduce downtime and costs while improving security and storage performance.
• Experienced in Providing LUNs to the various enterprise operating systems such as AIX, Solaris, Linux and Windows.
• managed systems to the HMC and upgrade the firmware of the HMCs as required.
• 24x7 on call server support for UNIX environment.

Confidential

UNIX/LINUX Admin

Responsibilities:

• Experience in administration of enterprise applications with emphasis on IBM WebSphere Application Server 3.5/4.0/5.0, IBM HTTP Web Server Workload Management WLM in AIX, Sun Solaris, RED HAT Linux and Windows NT/2000/XP environment.
• Worked as AIX administrations and providing maintenance support to multiple IBM machines p5-520, p5-550, p5-570, p5-595, p7 750s and 770s running AIX 5.3/6.1/7.1.
• Disk Replacement Strategy on AIX.
• Experience working with Shell and Perl scripting.
• Worked on different platform on SUSE Linux which includes 10.x,11.x
• Extensively used LVM - created VGs, LVs disk mirroring for IBM p-series servers
• Defined and setup network printers, and install client/server applications. Define/setup network protocols, Network File Services NFS , and Network Information Services NIS .
• Performance Management Tuning of AIX/UNIX Kernel.
• Installed and configured AIX 4.3, 5.0, 5.1 on RS-6000's, 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 RS-6000 Servers within a High Availability system using DASD, DCE and DFS services
• Security, users, groups' administration and daily backup and restore operations.
• Package, build, integrate and deploy enterprise J2EE applications on WebSphere 3.5/4.0/5.0 that involves EAR, JAR, and WAR files.
• Experienced working with ksh, csh, bash, php, ruby, perl.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Responsible for configuring user authentication for the Aix system using LDAP.
• Preparation and execution of server patching and upgrade on more than 200 servers including HP-UX, AIX, Solaris and Red Hat Linux servers. Servers included AIX HACMP and HP-UX MC/ServiceGuard clusters. Installed VMware server 2 on the systems. Worked on VMware bench marking tools and troubleshooting devices. Monitored RAM/CPU, Disk space utilization.
• Experience in setting up cluster and creating repository queue managers for load balancing.
• System backup management using IBM ADSM Backup Server.
• Creating user profiles including groups and user accounts, assigning them passwords periodically and allotting them the required permissions. Changing the permission specifications as per requirements depending on User Administration duties.
• Installation/administration of AIX, Linux and NT/2000 Servers on a LAN.
• Installation and Administration of TIVOLI Service Desk.
• Networking service, performance, and resource monitoring.
• Applying software maintenance, program fixes and keeping the system software releases current.
• 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.