OBJECTIVE

• To obtain a challenging position with an organization that will support professional development and offer long - term growth potential. Proven ability to successfully analyze an organization’s critical support requirements, identify deficiencies and potential opportunities, and develop innovative solutions for increasing reliability and improving productivity.

SUMMARY

• More than seven years of experience in System Administration Support, Design, Implementation, Maintenance, Tuning and Troubleshooting of Servers running on Confidential AIX 5.1/ 5.2/5.3/6.1/7.1 , Linux, centos 6.5 and EMC Avamar for backup and Storage management.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBMAIX, Solaris 7/8 and Linux (Red Hat & SuSE).
• Configured, deployed and maintained VIO servers, VIO clients, LPAR, NIM, and HMC.
• Configured advanced virtualization (POWER5, POWER6) features WPAR, DLPAR, Micro-partitioning, Virtual Ethernet, PLM and LPM.
• Configuration Management including the building of LPARs, Build P-Series Boxes(Install, configure, hands and feet work)setting and securing p-series boxes security, IS centralized security on AIX, build AIX and web sphere trouble shooting and configuring the hardware devices that support them in Disaster Recovery Planning.
• Experienced in Managing LVM and File systems, SRC and Paging space management, restore and availability, Monitoring System / Network Performance and Send mail administration. Printers installations and configuration and maintaining queues.
• Maintain and use NIM masters For Backup mksysb and install and upgrades.
• Configuration and administration of HACMP 5.2/5.3/5.5/6.1/7.1 using 2/3 node cluster using Cascading, Failover, Concurrent resource group.
• Performed Hacmp cluster fail-over and fall back Many times
• Experience in installation, configuration, tuning, optimization, security, backup recovery, and upgrades of Confidential AIX, Red Hat Linux.
• Installed patches, fixes/Service Pack to Confidential and Wintel Servers.
• Managed Paging space and performance related issues.
• Experience in VERITAS File System, Volume Manager, Cluster Server, Net backup and also Confidential SVC and DVS 4000/4800
• Hands on experience in solving various problems. Used ‘errpt’ and ‘diag’ commands for diagnostic, opened PMR with Confidential, Send dump to Confidential when Necessary and reboot the server required.
• Strong hands-on experience in Disk Management and Volume Management using IBMLVM. Activities includes but not limited to; configure physical volumes, creating volume groups, logical volumes and file systems, mirroring logical volume, cloning and snapshots and volume groups, increasing file system, checking file system consistencies, etc.
• Extended knowledge of Confidential Power System Mirror for AIX to implement High Availability for SAP Applications.
• Hands on experience in developing, deploying, implementing, testing and support of full life cycle implementations of various J2EE/Internet/Intranet and distributed applications.
• Extensive experience in Administration of Tivoli (TSM) Storage Management for Backups that include Confidential RS/6000,HP9000, and Windows servers including Windows NT/2k Desktops.
• Full understanding. TSM SERVERS, TSM Client Servers (WIN, AIX, LINUX, SUN), Confidential Tape Libraries 3584, tapes (LTO 2, LTO3, LTO4)
• Experience in Installation and upgrade of TSM 7.1
• Good knowledge of Design and implementation of TSM Servers in a cluster environment.
• Experience in managing client backup and restores and also troubleshooting failed backups.
• Experience in providing support for ATL's. Proficient in monitoring and troubleshooting tape drive and library issues.
• Proficient in daily maintenance and troubleshooting of TSM servers on AIX and Windows.

TECHNICAL SKILLS

Languages: C, C++, sh/ksh, Shell scripting, perl

Operating Systems: Confidential AIX (4.3.3, 5.1, 5.2, 5.3, 6.1, 7.1), Windows 2000/NT4.0, Linux (Redhat/SuSe), Sun Solaris 2.5/2.6/7.0/8.0 , HP-UX.

Hardware: Confidential pSeries 550, 570, 590, 740, 780, RS/ 7026, H80-7026, B80-7026, B50-7046, 43P, 44P, Confidential SP, ADSM(TSM) with Confidential 3583 LTO Tape Library, ESS F20-2105, Confidential 3494 tape library, SAN Switch, DLT 40/80 and Netfinty Boxes, Compaq ProLiant Servers 5500, 2500, 1600, 800, 400, 200, 300, Pentium PC.

Testing Tools: QuickTestPro, WinRunner, TestDirectior, ClearQuest

Protocol: TCP/IP, UDP, HTTP, FTP, SOAP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches

Storage: Confidential SVC, Confidential DS 4000/4800 storage subsystem, Hitachi and

EMC: SAN arrays.

Databases: RDBMS MS-SQL Server 2005/2000/7.0 , Confidential UDB2, Oracle 9i & 10g

Other Skills: HACMP, HMC, Open SSH, Samba, Tivoli (TSM), Veritas NetBackup, Veritas Volume Manager

PROFESSIONAL EXPERIENCE

Confidential, Dubuque IA

Sr. UNIX Systems Administrator

Responsibilities:

• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Responsible for setting up the AIX environment from the scratch right from planning, creating LPARS, web sphere trouble shooting, Installing AIX, setting up NIM, creating clients, restoring mksysb’s to support the servers in production.
• Assiged LUN thro" Powerpath, NPIV Environment and make sure the encrypted issues does not effect the AIX OS.
• Good understanding of Advanced POWER Virtualization on Confidential p5, p6 & p7 Systems.
• Building of new VIOServers and clients from p-series p550, p570, p590 using HMC.
• Responsible for installing, NIS centralized security on AIX, configuring and Maintenance and Systems Development of AIX 6.1 Tl08
• Extensive use of LVM, creating Volume Groups, Logical volumes, and disk mirroring, Fix the Problem with the partially mirrored Logical volumes.
• Perform User Account management, data backups, and user’s logon support. Checks issues with kerboroes and Ldap. create users and assigning access as Requirement
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
• Troubleshoot problems with hardware (LED codes, cfgmgr, ODM tools).
• Responsible for taking system backups mksysb, keeping the system in good performance. Clear log files if needed.
• Software installation, updating and troubleshooting on systems using NIM and media.
• Responsible for configuring User Authentication for the AIX systems using LDAP.
• Development in PERL for automatic user addition/email addition/deletion and username verification.
• Installation/Administration of TCP/IP, NFS, Auto mounts, Send mail and Print servers and maintain the print queues as per the client’s requirement.
• Responsible for Configuring VLANs on Confidential Bladecenter
• Installing and configuring LDAP on AIX and windows Expertise in making user groups
• Upgrade operating system (preservation & migration upgrades), create and install a mksysb.
• Good understanding of Advanced POWER Virtualization on Confidential p5, p6 & p7 Systems.
• Day-to-Day trouble shooting for the end users on AIX based applications.
• Work with DBAs on installation of Oracle, Epic, restoration and performance tuning.
• Attend team meetings, change control meetings to update installation progress and upcoming changes in environment.
• Install Base Operating System and perform initial configuration
• Configure and manage devices, resources, subsystems and subservers.
• Troubleshoot problems with hardware (LED codes, cfgmgr, ODM tools).
• Experience in REMEDY software and DMR system.
• Performed System Administration tasks and ensuring 24*7 System Support for the mission Critical Data in production Environment.
• Trouble shooting of TSM client problems.
• Installing configuring and Troubleshooting of LTO Libraries under TSM environment.
• Installation and testing of the DRM for TSM server
• Restoration of Data
• Full understanding. TSM SERVERS, TSM Client Servers (WIN, AIX, LINUX, Centos)
• Co-ordination with NT & UNIX Support groups for new backup & restore requests.
• Help Dedicated Avamar ADMINS to Installation, upgrade and reregister servers if needed.

Confidential, Jackson MS

Sr. Unix Administrator

Responsibilities:

• 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 knowledge 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 in Linux servers.
• Used Peregrine and Service Now ticketing tool for Steady state issues.
• Used ESM (Enterprise change management) for change management.
• Running Production reediness 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 then giving ownership 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.

Confidential - San Jose, CA

UNIX/AIX Administrator

Responsibilities:

• Responsible for Steady State Team With more than 800 servers.
• Provided 24x7 supports on shift rotation basis.
• Configured Confidential 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 there 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 admni.
• Installation and configuration of NIM master server and clients.
• Creating lpp source 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 Confidential Shark and HITACHI using DPO and HDLM software.
• 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.
• 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 Confidential 3494 automatic tape libraries and recovering.
• Backup / Restore planning and implementation.
• Installed VIO server advanced power virtualization on Confidential 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 Confidential 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 pseries machines on AIX 5.3 using HACMP.
• Wrote shell scripts for automated installations, to extract logs.

Confidential, Cleveland, OH

UNIX/AIX System Administrator

Responsibility:

• 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 Confidential 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 Confidential 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