SUMMARY

• Responsible for maintaining 950 AIX Servers and 800 Solaris servers.
• Building servers depending on the requirement of the application.
• Building of VIOs and VIO LPAR's on p - series 770, 795, 595, 590, and 505 servers.
• Upgrading Technology level (TL) and upgrading and installing db2 fix pack.
• Installed Security Fixes and APAR's.
• Installing Tivoli on AIX Lpars.
• Installing MQ Client on lpars.
• Strong understanding of networking concepts and implementation of linux-based infrastructure solution.
• Possess excellent noledge of linux
• Worked on ESM (Enterprise Security Manager) and remediate different kind of security violations.
• Evaluate and install new software-related problems as well as perform system backup and recovery on linux servers.
• Used Peregrine and Service Now ticketing tool for Steady state issues.
• Used ESM (Enterprise change management) for change management.
• Running Production readiness check list on the Lpars to see if it is ready for Release.
• Worked on P1S3 issues very closely with customer to solve performance issues like paging space, CPU,
• memory. Used Nmon analyzer, TOPAS, vmstat for analyzing performance of the machine.
• I supported Oracle/db2/DBA database/application.
• Depending on the requirement of the application I create prime request (SAN request) and attach disk to
• the lpars.
• Helped db2 team to upgrade dblevel.
• Worked on HACMP System Administration problem determination, planning and implementation.
• Created LVM (Logical volume management) i.e. Volume groups, Logical volume and File system tan giving
• wnership and permissions to the filesystems.
• Changed and modified entitlement and memory on the lpar through HMC (Hardware management console),
• Upgraded HMC from 7.0 to 7.3.
• Upgraded the HMC V6 to HMC V7 (GUI)
• Building of new VIO Servers and clients from p-series p550, p590, p795 using HMC.
• Setup and configure TCP/IP.
• Worked on SAN storage.
• Creating SEA "shared Ethernet adapter" to bridge between Ether Channel and Virtual Ethernet Adapters.
• Restoring the mksysb (operating system) from NIM server (Network Boot).
• Installed ESM (Enterprise security management) Tivoli on Aix, Linux and Solaris servers.
• Worked on creation of users and group i.e. worked as User administrator.
• Installed and configured Tivoli monitoring (ITM5 & 6) on AIX.
• Worked on TSM backup related issues.
• Used Brews for checking netbackup status of file systems on tapes.

PROFESSIONAL EXPERIENCE

AIX Administrator

Confidential - San Jose, CA

Responsibilities:

• Responsible for Steady State Team With more than 800 servers.
• Provided 24x7 supports on shift rotation basis.
• Configured IBM p5, B80, RS6000, 520, 550, 570, 590, 595, 610, 690, 695 for production, staging and test
• environments.
• Installation and configuration of LPAR's with AIX 5.3, 6.1 on p5 servers.
• Installation and configuration of VIO Server with AIX 5.3 on client LPAR's on 520 and 570 models.
• Created linux menu system for both installation options end restores options.
• Installed, configured and maintained two test lab environments.
• Responsible for evaluating, defining, gathering, testing and delivering Linux platform solutions.
• Implements and managing resources in VIO server for client Lpar's
• Managed Red hat linux and VMware ESX servers.
• Extensively used LVM, created VGs, LVs, and disk mirroring.
• TL upgrades from TL03 to TL05, TL07
• Server migrations, tsm upgrades, SDD upgrades from AIX 5.2 to 5.3
• 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, 5.2, 5.3 servers.
• I used to support Oracle team and build servers depending on their specification.
• Migrations of AIX BOS from 4.3 to 5.1, 5.1 to 5.2 and 5.3
• Migration of HACMP (Online and Offline) from 4.5 to 5.1, 5.1 to 5.3
• Sound Knowledge of HACMP troubleshooting and dealing with day to day problems.
• HACMP Install, troubleshooting and admin.
• 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.
• Worked with the SAN team to increase disk on lpars.
• Configuring LUN's on AIX side with SAN arrays IBM Shark and HITACHI using DPO and HDLM software
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Created mount p
• ints for Server directories, and mounted these directories on AIX Servers.
• Worked on TSM monitoring tools.
• 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.
• Worked on performance and monitoring tools for the tuning of processor, memory and I/O.
• Clustered multiple RS/6000 machines on AIX 5.1/5.2 using HACMP, configured HACMP cluster to keep
• applications running.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES
• products.
• Performing Failovers in HACMP / cluster environment, monitoring servers.
• 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.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and
• recovering.
• Backup / Restore planning and implementation.
• Installed VIO server advanced power virtualization on IBM p5 system.
• Taking the mksysb of the NIM client on the NIM master.
• 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.
• Clustered multiple p series machines on AIX 5.3 using HACMP.
• Wrote shell scripts for automated installations, to extract logs.

UNIX System Administrator

Confidential - San Jose, CA

Responsibilities:

• Responsible for Remote support of AIX servers in State Farm ISA Team With more than 1300 servers.
• Provided 24x7 supports on shift rotation basis.
• Configured IBM p570, 590 for production, staging and test environments.
• Installation and configuration of VIO Server with AIX 5.3 on client LPAR's on 520 and 570 models
• Implements and managing resources in VIO server for client Lpar's
• Installation and configuration of LPAR's with AIX 5.3 on p5 servers.
• Implemented ESR 7.1 and 7.2 in State Farm environment.
• Extensively used LVM, created VGs, LVs, and disk mirroring.
• Responsible for Installing Security fixes and APAR's in Servers.
• Mentored product architects on Linux kernel building and maintenance.
• Designed and built Linux based routers and firewalls.
• Migration and upgrade from AIX 5.2 to AIX 5.3
• Worked with Samba, Red Hat and caldera Linux.
• Worked on performance and monitoring issues.
• Worked in the environment of SAP and also DB2.
• Migration and upgrade from HACMP 5.1 to 5.3
• 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.
• Installed and configured Print servers
• Troubleshooting and implementing mksysb daily backup through cron and manually.
• Implementing and troubleshooting AIX part of SAN,
• Adding LUN's, troubleshooting Fibercard adapters for Hitachi and HP SAN arrays
• Extensive use of HMC version 4 and 5 for installing and configuring Lpar's on p5 520,570 models
• 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.
• Clustered multiple p5 520 machines on AIX 5.1/5.2 using HACMP, configured HACMP cluster to keep
• applications running.
• Good understanding of NIM server installation and management.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES
• products.
• Maintained HACMP Clusters.
• Performing Failovers in HACMP / cluster environment, monitoring servers.
• 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.
• 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.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and
• recovering
• Installed and configured Sudo for users to access the root privileges.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Wrote shell scripts for automated installations, to extract logs.

AIX Administrator

Confidential - San Jose, CA

Responsibilities:

• Responsible for AIX Team With more than 800 servers.
• 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.
• Rebuilding infrastructure of the environment.
• 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.
• Worked with DB2 team to manage filesystem, lvm and upgrade db2level.
• 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.
• Clustered multiple RS/6000 machines on AIX 5.1/5.2 using HACMP, configured HACMP cluster to keep
• applications running.
• Configured cascading, mutual takeover and rotating modes of operation of the HACMP and HACMP/ES
• products.
• Performing Failovers in HACMP / cluster environment, monitoring servers.
• 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.
• Backing up AIX servers using mksysb and ADSM/TSM using IBM 3494 automatic tape libraries and
• recovering
• 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.
• Migrated database applications from Windows 2000 Server to Linux server.
• Installing and setting up Oracle9i on Linux for the development team.
• Wrote shell scripts for automated installations, to extract logs.

TECHNICAL SKILLS

Languages: C, C++, Java, Servlets, Jsp, EJB, VB, JavaScript, HTML, Perl and Shell programming.

OS IBM: AIX (5.0), Linux (Redhat, SUSE), Windows 2000/NT4.0, Sun Solaris. MAC8.1/9/10 and OS2.

IDE Visual: Age3.5/4.0, WebSphere Application Studio4. JBuilder, Code Warrior, ClearCase, ClearQuest andRationalRose.

Web Technologies: HTML, DHTML, XML, Java Script, JSP, Servlets, EJB.

Web/Application: Servers WebSphere Application Server 3.5/4.0, Netscape/iPlanet Server

MQSeries: , WebLogic Server, IBM HTTP Server.

Networking: TCP/IP, 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.

Other Skills: HACMP, Samba, Tivoli (TSM), Veritas NetBackup, Ve