SUMMARY

• 6 years in System Administration with excellent knowledge in AIX AIX 5.2, 5.3, 6.1, VIO, HACMP, TSM, SAN, Linux, Solaris Windows
• Excellent skills in AIX/Linux administration that consists of installations, performance tuning, troubleshooting, backups, restore, server-builds, Virtualization, HACMP, GPFS, and Disaster Recovery.
• Worked on GPFS cluster, upgraded GPFS from version 3.2.x.x to 3.4.x.x
• Experience in IBM hardware components RS/6000, pSeries , troubleshooting and maintenance of systems
• Experience in Migrations and Decommissioning of the systems.
• Extensively used LVM to create Volume Groups, LVs and Disk mirroring for IBM servers.
• Planned and Configured VIO servers and clients from scratch on p570 power6, p770 power7 frames.
• Created SEA on VIO servers and managed VSCSI for disk mapping through VIO servers.
• Configure Integrated Virtual Ethernet - LHEA to assigned IP address.
• Configured NetApp storage through NPIV on p570 power6 and p770 power7 Frames
• Installation/Administration of AIX on RISC servers running on a LAN with full setup of network services and protocols, ensuring the proper implementation of the TCP/IP Stack, and ARP/RARP routing, and network functionality
• Configured and Administrated HACMP 5.3, 5.4, 5.5, 6.1
• Configuring and administration of weekly mksysb backup on AIX servers.
• Installation of patches, Security fixes, packages on AIX, Linux and Windows NT/2000, 2003 Servers
• Advanced Knowledge and experience in Linux Systems Administration in RHEL.
• Installation, Configuration and administration of LPAR's.
• Installation, administration of VIO Server and VIO client LPAR'S.
• Configuring and administration of NFS server and NFS client.
• Configuration and administration of Fiber Adapters and handling AIX part of SAN.
• Installed and Configured Web Sphere Application Servers on Linux and AIX.
• Installed and configured IBM Web Sphere Application Server 3.5/4.0/5.0/5.5 on AIX and Linux.
• 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
• Installed and Configured DB2 on AIX OS Server
• Adding network printers and conducting day-to-day system administration, including backup/recovery in NAS environment.
• Migrating AIX OS from AIX 4.3 to 5.1, 5.2 and 5.3 on 520, 550, 610, RS/6000 Servers
• Administering and troubleshooting of AIX HACMP Clusters
• Installation, configuration and administration of IBM Web Sphere Application Server V4.0, on AIX along with DB2 UDB IBM HTTP server with SSL for secure communication providing technical support to users
• Experienced and familiar with tools like SMIT and SMITTY
• Installation and support of Apache Web Server, IBM HTTP Web Server, Oracle 8i/9i, SQL Server on Windows and UNIX
• Experienced in implementing the workload Management WLM using cloning and clustering
• Excellent knowledge in writing scripts such as Korn Shell ksh and Perl
• Experienced in DNS, NIS, NFS, LDAP, sendmail, ftp, remote access, security management, and system troubleshooting skills
• 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.

TECHNICAL SKILLS

WORK EXPERIENCE

Confidenital

AIX/Linux Admin

Responsibilities

• Installation, configuration, upgrade and administration of IBM pSeries and Power5/Power6/Power7 servers on various levels of AIX operating system utilizing environment
• Upgrade of AIX TL and SP to latest level using NFS mount using NIM and alt disk method.
• Server builds for Chase CCAR project, involved in different agents installations
• Configured and administrated VIO server and Lpar clients
• LPAR creation and installation of AIX 6.1 in p4/p5/p6/p7 series model through HMC
• Installed Upgraded GPFS from version 3.2.x.x to 3.4.x.x on AIX/Linux servers.
• Created GPFS file systems and assigned quota values to it.
• Extensively used LVM-created VGs, LVs and disk mirroring for IBM pSeries servers
• Installed and upgraded TTU Teradata Tools and Utilities on hundreds of LPARs and Linux nodes.
• Installed Control-M agent on several servers AIX/Linux in the environment.
• Identified the causes of the problems and resolved the problems. Analyzed the techniques to diagnose the problems and developed solutions.
• Good Storage Administration skills, and has worked with systems like EMC, NetApp. Have worked in SAN environment with Blocked storage devices like VNX, VMAX, and Clariion.
• Good knowledge of NetApp SnapVault, Snapshot, and SnapMirror.
• Worked with the SAN engineer to re-carve and zone LUNS for the allocation of storage in DR environment.
• Provided 24X7 on-call support for UNIX systems
• Experience with ITIL and ITSM tool.
• Handled Level 2 support activities, which includes Incident Management, Problem Management, Release Management and Change Management.
• Working on the change request made by the client
• Documentation of processes and procedures for infrastructure support.
• User account management and administration
• Established and maintained productive and strong customer relationship worked to meet delivery expectation, focusing on the quality and reached SLAs.
• Restored files and performed backup using TSM server
• Good knowledge in HSM Hierarchical Storage Manager
• Enterprise Security Manager ESM installation, configuration, scan report analysis and reporting
• Involved in troubleshooting day to day issues, worked with Development teams, PROD support teams, handled escalated issues, providing technical resolution
• Performed nmon data analysis using nmon Analyzer nmon Consolidator.

Confidenital

AIX/UNIX Admin

Responsibilities

• Worked with infrastructure architects to ensure that the infrastructure configurations and design support capacity/utilization/performance strategy.
• Extensively used LVM-created VGs, LVs and disk mirroring for IBM pSeries servers.
• Provided onsite and remote support for AIX Servers.
• Installation, configuration, upgrade and administration of IBM pSeries and Power5/Powerer6/Power7 servers on various levels of AIX operating system utilizing environment.
• Configured NetApp storage through NPIV on p570 power6 and p770 power7 Frames
• Created SEA on VIO servers and managed VSCSI for disk mapping through VIO servers.
• Created /Installed and Managed 100 LPAR on p570 and p770 power7 machines.
• Performed AIX 5.3 / 6.1 installation using Media and mksysb using NIM servers.
• Managed team members, tracked and reported the team performance to the higher management.
• Maintained expertise and transferred knowledge whenever required
• Worked as a mentor with junior team member
• OS Migration from AIX 5.3.5, 5.3.11 to AIX 6.1.4 using Media and mksysb using NIM servers.
• Upgrade of AIX TL and SP to latest level using NFS mount and alt disk.
• Supporting and managing IBM pseries servers P5/P6/P7 using HMC1 version V7R3 and HMC2 version V7R7.
• Created/Installed/Configured Dual VIO servers version 2.1.3 and client Lpars from scratch on p770 power7 Frames with SEA failover.
• Performed Failovers in HACMP / cluster environment, monitoring servers
• Upgraded HMC from version 6 to version 7
• Developed and maintained a capacity/utilization/performance management and planning process for the organization.
• Identifying improvements and enhancements of existing systems.
• Contributed to BAU Business as usual to maintain or improve distributed server environments.
• Provided guidance and recommendations surrounding HW and SW technology refresh.
• Provided subject matter expertise for critical environmental issues.
• Maintained system performance within defined performance thresholds by performing system monitoring and analysis.
• Created, maintained and updated documentation of detailed design documents, diagrams, and engineering specifications, build changes, troubleshooting and support guides, systems metrics and Standard Operating Procedures as required ensuring operational excellence.
• Managed effective relationships and works in partnership with leadership, team members, vendors, and contractors to delivered robust technical solutions ensuring that service level commitments. Provided technical expertise, direction and prioritization of work to team members ensuring outstanding service delivery.
• Ensured appropriate levels of monitoring are in place and maintained.
• Analyzed the performance and usage data and report on performance against target contained in Service Level Agreement. Raised incidents and problems when breaches of capacity performance thresholds are detected and assist with investigation and diagnosis of capacity and related incidents and problems.
• Participated and provided input in the continual refinement of policies, and best practices to ensure the best possible performance and availability of technologies.
• Tracked the deployment of new functionality into production environment.
• Evaluated new developments and recommended infrastructure modifications.
• Provided in depth consultation to application teams on a variety of different applications.
• Worked on CMDB Configuration Management Database and SRM Server Resource Management tools.

Confidenital

AIX/Linux Administrator

Responsibilities:

• Installation, configuration, upgrade and maintenance of the IBM Blade centre chassis.
• Firmware upgrade on AIX 5.2 and 5.3 servers and 4 port and 6 port Elmo and Zoi Nortel switches
• Involved in daily support of AIX/Linux blade servers.
• Used the LVM extensively, Created/Modified/Deleted Volume Groups, Logical Volumes and File systems Added/Removed physical disks Mirrored Volume Groups and Logical Volumes.
• Worked on upgrading Maintenance level on AIX blade servers.
• Maintained and edited the Maintenance level script as per the customer requirements
• Generated system dump to determine the reason for system crash.
• Ran file system corruption checks on files of Root and storage volume groups
• Wrote new Korn ksh and Perl scripts and updated the existing scripts for day-to-day maintenance.
• Worked on various projects for adding raw spaces and increasing the file systems size using scripts.
• Implemented Crontabs, Shell Scripts for automatic back -up.
• Design and implemented SMIT configuration screens
• Worked with the IBM technician to configure the Management Module and updating the firmware.
• Involved in projects to install and validate new AIX and windows blades.
• Worked on various networking issues involving Nortel and Cisco switches
• Performed switch retrofit procedures on the Nortel switches and the blades.
• Worked with Network engineering on resolving communications issues on the blades, switches and Cisco switches.
• Worked on backup and restore process for Wal-Mart stores using NIM.
• Worked on conversion of blade servers from HP to SUSE Linux and IBM blade JS20 to JS12
• Installation, configuration, support and administration of UNIX Solaris, HP-UX, AIX and Linux Servers.
• Worked on upgrading system board, Nic and SAS daughter card firmware for IBM blade servers.
• Worked on configuring the 4 and 6 port Nortel switches and upgrading the firmware.
• Supporting DBA team in maintaining database instances with Informix database.
• Administration of INFORMIX on UNIX.
• Uploading and Down loading files between Remote Local servers using secure shell.
• Updated dataontap OS level on controllers, trouble shooting iscsi communication between AIX machines and storage.
• Monitored the problem ticket queue and resolving the issues
• Trouble shooting overtemp errors on the filers.
• Troubleshooting communication issues with the filers
• Supported hardware management console HMC verson 6 and version 7
• Created lpar's profiles using HMC version 7
• Upgraded HMC from version 6 to version 7
• On call support on rotation basis.

Confidenital

AIX/Unix Sys Administrator

Responsibilities:

• Configured IBM RS 6000,550,520,610 machines for production, staging and test environments.
• 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 Lpar's.
• Configured and administrated VIO server and Lpar clients.
• Administration Tasks included User administration, Performance, Sendmail. Weekly mksysb.
• Daily roles included dealing with LVM extensively. Strong hold of LVM.
• Migrated AIX 5.3 with HACMP 5.1 to HACMP 5.2 online .
• Daily tasks included dealing with AIX side of SAN. Like troubleshooting Fiber card adapter, replacing Fiber card adapters. Configuring LUN's back.
• 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.
• Dealing with user id deletion with removing entries from CRONTAB.
• Performing Failovers in HACMP / cluster environment, monitoring servers
• Installed and configured AIX 4.3, 5.0, 5.1 ,5.2 ,5.3 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.
• 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.
• Wrote shell scripts for automated installations, to extract logs.