SUMMARY:

• Leading edge professional with 7 years of experience in AIX/Linux/Unix Administration.
• Experience in Aix/Linux/ Unix System Administration and Support of various applications on RHEL 4.x, 5.x, 6.x, AIX 6.1/5.3, Red Hat Linux 4, 5, 6, VSphere 4.0, 5.0, Cent OS and Windows 2000/2008/2012 .
• Working on different platforms including Red hat Linux, Solaris and AIX. Nature of work involves solving problems relating to Operating system, Web server related problems, Application server related problems, Managing Network Appliance Servers etc. Also involves managing HA + environment running Veritas, HACMP/PowerHA for AIX.
• Implementation and Administration experience includes Planning and Design, providing storage solutions for SAN/NAS.
• Provided support to Aix servers version 5.3, 6.1, 7.1 on Blade center, P590, P595, P550, P690, P650,p7 - 770,p7-780,P822,850,870 AIX servers, LPAR, DLPAR, POWERVM. Created LPAR. Backup and restore of POWERVM also worked on Dual POWERVM project, configured Hard drive Ethernet and Shared Ethernet Adapter failover through POWERVM. Configured IVE, VLAN, link aggregator, NPIV. Worked on ITIL.
• Installation & configuring of PowerHA 7.2
• Migrated Power HA from 5.x to 6.1 using different methods to reduce the downtime to the application
• Performing fail-over,fall back between the HA cluster nodes.
• Experienced in installation, configuration, administration, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX, Solaris 2.x, 8, 9, 10, HP-UX 10.x, 11.x, Win NT/2000 Server, Linux (Red Hat & SuSE).
• Installed Configured and maintained NIM Server, created Spot, LPP source and resource on NIM Server, done many migration, upgrades and installed software using NIM. Used Alt disk migration to migrate server from 6.1 to TL9 and also to Aix 7.1, did Alt Disk Clone for rootvg.
• Supported activities related to oracle DB2 and RAC upgrades.
• Worked on migrating user access from S4access to LDAP.
• Performed user administration on server level for access levels and have working knowledge on providing sudo access.
• Providing SAN support including zoning and LUN provisioning, troubleshooting, capacity planning and reporting.
• Write shell scripts to customize any customer specific application requirement.
• Working on building and configuring the dual VIO servers V2.2.0.10 on P7 -740 with SEA with npiv for SAN boot on lpars on the IBM P series and Blade servers
• Planning configuring the auto/sharing mode 10GIG SEA network adapters with LACP
• Hands on experience with RHEL 5.X, 6.X and Solaris 9.X, 10.X and VERITAS Volume Management.
• Building software packages on Red Hat Linux (RPM)
• Networking communication skills and protocols such as TCP/IP, NFS, DNS, LDAP, DHCP, NTP and SMTP.
• Extensive experience in HACMP, Virtualization, NIM, Security remediation/critical assessments, disaster recovery, performance tuning, SAN and troubleshooting.
• Experience in Installation, administration and configuration of VIOS and VIO client LPAR'S through HMC.
• Built Power HA 6.1 clusters and migrated servers with AIX 6.1.
• Experience in Micro-Partitioning on P series servers
• Experience in Migration of HACMP 4.3.1/4.5/5.1 to HACMP 5.4 using Node-by-Node migration without changing the cluster setup
• Installed and configured Sudo on all server.
• Done performance tuning and hardening of Aix servers and Configured ether channel.
• Endurance experience on different storage EMC, HITACHI and SVC.
• Responsible for implementing and supporting assorted vendor Storage & Backup systems using IBM SAN
• Experience working on EMC all-flash storage array.
• Experience in Planning and Implementation of Virtualization on Power 770
• Configure DNS and Write Korn Shell program utilities to automate SYBASE and AIX Sybase backup procedure. Monitor remote and local AIX server system resource utilization. Add user accounts correct printer faults attend capacity planning discussions etc.

TECHNICAL SKILLS:

Operating Systems: AIX 5.3, 6.1 & 7.1, Red hat Linux EL 4.x, 5.x, 6.x, VMWARE

Virtualization: VIO, LPAR, DLPAR, HMC, SAN, SEA, LVM

Network: NFS & NAS, TCP/IP, DNS, NTP, DHCP, LDAP, HTTP, SH.

Hardware: IBM p5, P6 & P7s series, SVC Storage, EMC,VMAX

Backup: mksysb, tar, backup&restore, savevg, restvg

Clusters: HACMP 5.5, POWER HA 7.1

Tools: BMC Remedy,JIIRA

PROFESSIONAL EXPERIENCE:

Confidential - Wichita KS

UNIX System Engineer

• Installed, configured and maintained IBM AIX 5.3, 6.1, 7.1 and upgraded to higher levels with an environment large as 500+ AIX servers.
• Worked with IBM servers such as IBM RS/6000, P5 570, p6 570, P650, p7 770 Servers running AIX 7.1,6.1, 5.3,5.2 and 5.1.
• Participation in the migration of over 500 LPARs from p5,p6 and p7 hardware onto p822,p850,p870 hardware utilising dual-SAN & LAN VIOS, SAN disk, VLAN tagging, WPAR and IBM PowerVM Live Partition Mobility. NIM, mksysb and TSM used to migrate.
• Networking fundamentals, TCP/IP, DNS, WINS, DHCP and Server virtualization technologies (especially IBM LPAR/WPAR)
• Migration of physical to virtual environment of AIX systems (P2V) and also migration of Virtual to Virtual (V2V) of LPAR migration from one hardware to another.
• Extensively worked on building and configuring the dual VIO servers V2.2.0.10 on P7 -770 with LEHA and SEA with VSCSI and NPIV.
• Migrated servers from p5,p6,p7 to p8.
• Migrated servers from one frame to another without anytime downtime using LPM.
• Worked on trouble shooting various LPM issues.
• Worked on migration of Power HA from version 6.1 to system Mirror 7.1.
• Co-ordinated with SAN and Network team in resolving various LPM issues.
• Various “major incident” 3rd level support incidents involving system outage, Performance and re-design work.
• Planning, configuring storage using LVM on AIX 7.1, 6.1, 5.3, 5.2
• Worked with implementation of high availability cluster on IBM P5/P6 and P7 platform HACMP given production support to verify, sync, move RGs, node failovers.
• Migrating HACMP versions 5.1 and powerha 6.1 to new version.
• Hyperswap active active and active passive criteria, usage of tie breaker disks to avoid cluster partitioning, data replication between two data centers.
• Installed and configured AIX NIM server, resulting in streamlining the AIX installation process.
• Install AIX 7.1 on new IBM pSeries hardware (p822, p850, p870) utilizing NIM resource server as well VIO server configurations.
• Installed and setup new PSeries hardware, including connecting to HMC, SAN storage and Ethernet switch.
• Setup and configured KVM on Red hat and Xen on SuSE and installed guest OS on KVM and Xen.
• Provided virtualization support using Red Hat’s KVM platform to manage virtual hosts.
• Installed and configured mirroring of rootvg.
• Responsible for Host based migration and Storage virtualization
• Migrated numerous LPAR’S from Aix 5.3 to Aix 6.1, and Aix 7.1. Upgraded Aix 5.3 server to TL 11. Aix 6.1 severs to TL 8 using NFS mount and alt disk.
• Single point of contact for HACMP Cluster issues & support.
• Designed & built a five node HACMP cluster from scratch and added nodes to two different existing cluster.
• Installed Veritas Volume Manager, VCS Cluster Server for fail-over and for mirroring and raid level configurations on EMC storage frames
• Responsible for migration of LPARs from local SCSI to SAN dasd, resulting in enhanced server reliability due to RAID structure of SAN.
• Installing and configuring VIO Servers, building LPAR clients and sharing IO devices to LPARs.

Confidential - IL

Unix Systems Engineer (AIX/Linux)

• Responsible for migrating P5,P6 and P7 hardware onto the new p8 hardware.
• Worked extensively on planning the migration to minimize impact on supported applications.
• Work with application teams to schedule change windows and design deployment plans for implementation.
• Participation in the migration of physical to virtual environment of AIX systems (P2V) and also migration of Virtual to Virtual (V2V) of LPAR migration from one hardware to another.
• Extensively worked on server virtualization technology like WPAR and LPAR.
• Perform pre-requisites checks on servers before migrating to P8 environment.
• Verify storage information and draw out the new storage requirements based on the migration plan.
• Worked with vendor IBM on racking and bringing up new frames up to functional standards.
• Establish connection between the NIM Master and Client and also verify nimsh services.
• Hands on experience in Build the new profiles and load the OS to new LPARs pushing through network using NIM.
• Perform OS upgrade from 6.1 to 7.1 using NIMADM method.
• As part of pre-migration health check validate file systems, mount points, version and taking the backup of the information for post migration validation.
• Validate LPP Source and Spot resources on NIM master.
• Performed OS upgrade from 6.1 to 7.1 also have working knowledge on performing TL and SP updates.
• Worked on power path enabled LUNs as well as supported migration of LUNs from powerpath controller to MPIO.
• Working on different platforms including Red hat Linux, Solaris and AIX. Nature of work involves solving problems relating to operating system, Web server related problems, Application server related problems, Managing Network appliance servers etc.
• Installed and configured Red Hat Satellite server for package transfer across servers, to store client's system profile and to control other servers in the network.
• Networking communication skills and protocols such as TCP/IP, NFS, DNS, LDAP, DHCP, NTP and SMTP.
• Using Linux Kickstart, Sun Jumpstart to build and deploy RHEL and Solaris servers. Installing and configuring and Linux VMs on ESX for various applications.
• Experience in in configuring Global File System (GFS) on Linux and Zettabyte File System (ZFS) by creating pools, snapshots and clones on Solaris.
• Supported Oracle RAC (Real Application Cluster) Database
• Supported activities related to oracle DB2 and RAC upgrades.
• Provided technical support for backup/restore performing System Backups from tapes using ufsdump, ufsrestore, tar and cpio. Application Backups using Veritas Net Backup.
• Worked extensively on data migration on LUNs from VSCSI to NPIV.
• Post OS upgrade and NPIV used to Perform LPM (live partition mobility) move of servers currently residing on P7 Frames to new P8 frames.
• Perform Post migration validation on servers from P7 to P8.
• Hands on experience on Host based migration Re-hosting all P5 Environment to P8 Environment.
• Worked extensively on building the HACMP & POWERHA cluster and used to perform OS upgrade on cluster Environment.
• Extensive experience with low level Linux kernel debugging.
• Hands on experience on installing EMC ODM drivers on Aix servers
• Obtain existing storage size, LUN IDs, WWNs and VIO information for storage team to allocate new NPIV LUNs.
• Responsible for integrating Enea Linux kernel into FNC platform SW for initial board bring-up.
• Hands on experience in installing EMC ODM drivers on AIX servers.
• Worked extensively on mirror concepts and working in ALT DISK backups on client server, migrating DATA VG.
• Performed migration of over 400 LPARs from p5 and p6,p7 hardware on to p822,P850,P870 hardware utilising dual-SAN & LAN VIOS, SAN disk, VLAN tagging, SEA and IBM PowerVM Live Partition Mobility
• Worked on migrating user access from S4access to LDAP.
• Experienced in increasing the file system, create Mirroring, striping on AIX.
• Prepare root cause analysis for server crashed, open PMR with IBM to resolve issue.
• Responsible for performance monitoring using utilities such as Topas,vmstat, iostat and nmon
• Performed user administration on server level for access levels and have working knowledge on providing sudo access.
• Write shell scripts to customize any customer specific application requirement
• Scheduled corn jobs for job automation.
• Write shell scripts to customize any customer specific application requirement.
• After building the servers in P8 hardware used to install Tivoli agents on servers and start the Tivoli agents.
• Ability to troubleshoot network related issues and Performance monitoring.
• Worked closely with AIX architect team to establish new processor and memory resources for new frames.
• Working knowledge on modifying Disk Attributes.
• Platform development - Designed and developed a new billing system to replace an existing system written in PERL. Maintained legacy C++ and C# backend services. Implemented a custom .NET remoting stack that provided configurable remoting services and interoperability with a legacy C++ service layer.
• Create Storage request in BMC Remedy based on the information obtained from the client server.
• Created tickets in JIIRA for building the new LPAR’s
• Hands on experience in raising a firewall & DNS requests.
• Expertise - Embedded systems development. Networking, routing and switching theory. Protocol stacks and network kernel implementation. Cross compilation and remote debugging techniques.
• Provided 24x7 on call and remote support for UNIX Production Problems and responding to user’s tickets from HP-OVSC.

Confidential, Pittsburgh-Philadelphia

System Administrator (AIX/Linux)

• Installed, configured and maintained IBM AIX 5.3,6.1, 7.1 and upgraded to higher levels with an environment large as 400+ AIX servers
• Install AIX 7.1 on new IBM pSeries hardware (p730, p750, p760) utilizing NIM resource server as well VIO server configurations.
• Installed and setup new PSeries hardware, including connecting to HMC, SAN storage and Ethernet switch.
• Installed and configured mirroring of rootvg.
• Responsible for Host based migration and Storage virtualization
• Migration of physical to virtual environment of AIX systems (P2V) and also migration of Virtual to Virtual (V2V) of LPAR migration from one hardware to another.
• Migrated numerous LPAR’S from Aix 5.3 to Aix 6.1, and Aix 7.1. Upgraded Aix 5.3 server to TL 11.Aix 6.1 severs to TL 8 using NFS mount and alt disk.
• Single point of contact for HACMP Cluster issues & support.
• Designed & built a five node HACMP cluster from scratch and added nodes to two different existing cluster.
• Extensively worked on building and configuring the dual VIO servers V2.2.0.10 on P7 -770 with LEHA and SEA with vscsi and npiv.
• Setup of Pureflex from scratch which includes configuring CMM, IMM, FSM, V7000 Storage, SAN and Network switches
• Setup of Virtual Appliance environment in Pureflex with FSM based IBM System Director and VM Control.
• Installed Veritas Volume Manager, VCS Cluster Server for fail-over and for mirroring and raid level configurations on EMC storage frames
• Installation and implementation of EMC’s XtremIO all flash array at various client sites .
• Responsible for migration of LPARs from local SCSI to SAN dasd, resulting in enhanced server reliability due to RAID structure of SAN.
• Installing and configuring VIO Servers, building LPAR clients and sharing IO devices to LPARs.
• Installation & configuring of PowerHA 6.1.
• Migrated Power HA from 5.x to 6.1 using different methods to reduce the downtime to the application.
• Performing fail-over, fall back between the HA cluster nodes
• Troubleshooting the POWER HA and increasing the filesystem in HACMP/POWER HA cluster.
• Hardware replacement of cluster nodes without any downtime.
• Installation, configuration and administration of RHEL 4, 5, Debian 4.0, Fedora. Ubuntu etc.
• Installation and Configuration of LAMP (Linux, Apache, MySQL, PHP) environment.
• User administration, User/Group Quota, ACL’s, LVM, System/Network troubleshooting.
• Installing & Managing LINUX CLUSTER.
• Configuration & Managing Red Hat and VMware Virtualization.
• System Hardening & Tuning.
• Provided virtualization support using Red Hat’s KVM platform to manage virtual hosts.
• Installation, configuration and support of web based application in an environment using Web Sphere Application Server along with IBM HTTP Server and backend UDB Database servers
• Member of IAAS/Cloud team responsible for investigation and troubleshooting hosted data center infrastructure and applications issues.
• Supported AIX systems in Disaster Recovery exercises.
• Designed a DR test strategy for the Aix P- series environment hosting production applications for multiple data centers under LIHI and testing it under real time disaster event Scenario to get the build certified.
• Building NFS, NIS and DNS servers and their maintenance.
• Performed day-to-day system monitoring and administration of AIX systems.
• Fined-tuned SAP, PeopleSoft, Hyperion,PTC Windchill systems for peak performance.
• Implemented Oracle RAC high availability application cluster on RHEL 4.5
• Support Oracle database upgrades and maintenance.

Confidential, Middletown-NJ

AIX/Linux Administrator

• Installing, managing, troubleshooting, securing, configuring and tuning critical servers on following UNIX platforms: AIX, HP-UX, Solaris, Linux, including high availability cluster solutions under IBM HACMP/Power HA and Veritas Cluster.
• Installed and managed several IBM AIX systems which include disk management, user management, network management, performance management, test and development projects running on AIX 6.1.
• Installation and administration of several AIX networks across the country.
• Implemented and maintained several client-server applications on AIX platform
• Migration of HACMP from version 5.3 to 6.1.
• Troubleshoot failed disk path and enabled back.
• Extensive working experience on LVM. Creating VG, LV and FS.
• Performed mksysb backup and restore using NIM master.
• Upgraded HMC to recommended level and firmware on the Managed Nodes using command line.
• Experienced in increasing the file system, create Mirroring, striping on AIX.
• Prepare root cause analysis for server crashed, open PMR with IBM to resolve issue.
• Responsible for performance monitoring using utilities such as vmstat, iostat and nmon.
• Deployed RHEL 5.5 and RHEL 6.1 Linux VMs using VMware vSphere client.
• Provided support and monitored the performance of UNIX/Linux/Solaris Environment.
• Installation/Upgrade of packages and check package dependencies on Linux Servers using RPM.
• Setup of Virtual Appliance environment in Pureflex with FSM based IBM System Director and VM Control
• Worked in solving SMC tickets issued on day to day activities and problems related to development, test and production support servers.
• Configured SAMBA between the Linux and windows servers to provide directory sharing.
• Installed and configured of SAMBA, squid, FTP Server, SMTP Server, RAID and LVM on RHEL.
• DNS Configurations, Ethernet speed checks/Duplex Settings, ports, security (ssh) setup on RH Linux.
• Involved in shell scripting for automating server tasks, installing and monitoring.
• Created, installed and Configured VIO server and client Lpars on IBM P740.
• Installation and configuration of NIM master server and clients.
• Worked on setting up password less connections for batch users.
• Installation and configuration of NIM master server and clients.
• Worked on setting up password less connections for batch users.
• Manage Linux filesystems, logical volumes, system logs and journal.
• Managing cron jobs, batch processing and job scheduling.
• Project management and Implementation of EMC's Configuresoft (asset management) across approx 100 AIX LPAR's.
• Worked on double disk failure on SAN migrations.
• Configured MPIO on VIO server and clients.
• Built and configured RHEL 5.5 Linux servers using Kick Start Server.
• Configured the GPFS clusters to keep the high availability applications running on RHEL 5.5 servers.
• Convert LPAR from Non-NPIV(N-Port ID Virtualization)
• Supported Oracle DBA with RAC node configuration and installing Oracle Binaries.
• HMC management. Installation, adding frames to HMC, Managing HMC GUI and command line, and apply patches.