SUMMARY

• Over 7+ years of experience in Administration, Engineering and Development of Information Systems on AIX, Unix, Linux (RHEL), HP - UX and Sun Solaris.
• Experience in System Admin specializing inAIX 5.1, 5.2, 5.3, 6.1 & 7.1 OS.
• Experience in creating and managingLPARson different IBM servers likep550, p570, p590, p595, p630, p650, p670, p690 and p770 and Power 8.
• Experience in installation, configuration, Troubleshooting and administration of AIX 5L, 6.1 && 7.1.
• Experience in build, performance, troubleshooting and Maintaining AIX and security Patching.
• Performing Administration such as Virtualization and logical partitioning of CPU, DLPAR, HMC&IVM usage, VIO concept.
• Performing administration on NPIV, by assigning the Virtual Fiber SCSI adapters and assigning the LUNs, LPM administration and performing the operational acceptance test in between managed systems to avoid any failures.
• Sharing physical FC adapters to different LPAR’s through VIO server using NPIV and to ensure the LUNs are allocated successfully on the client LPAR’s.
• Experience in IBM HACMP, POWER HA Cluster & working with the application team to ensure the applications start/stop without any failure in case of event failures.
• Expert in Power HA migrations from different versions in different methods.
• Experienced in administrating the POWER HA clusters like increasing the clustered filesystems and replacement of hardware dynamically in POWER HA cluster.
• AIX Server build and administration of Blade server JS22, JS23 & JS42 and p-series p590, 570, 550 RS6000 Servers, installing, configuring and maintaining Web sphere Application Server.
• Configuring SEA in dual VIO environment for providing continuous availability communication to the LPAR’s.
• Experienced with installing and upgrading operating system on client using various methods includingNIM installationusing and creating LPPSOURCE and SPOT.
• Exposure in Creation of VSCSI adapter and mapping the disk to client LPAR’s for the NPIV.
• Creating shared processor pools Creation of LPAR's using micropartition.
• Performance Tuning and Capacity Planning and evaluating products in UNIX area.
• Strong in LVM (Storage Methodology) and file system management and recovery.Worked on striping of PPs and Mirroring Volume groups.
• Implemented Dual VIO with Link aggregation and used integrated virtual device, VirtualSCSI disk through SAN as root disks to VIO-Clients and Fiber card virtualization using NPIV for application Vg. Implemented MPIO and Power path in VIO environment.
• Migration of AIX OS from 4.3.3 to 5.1, 5.2 to 5.3 and 5.3 to 6.1 on P Series servers.
• Migration of AIX Systems from old P4, P5 to P6 hardware.
• Experience working on P550, P560, P595, P570, P 0 and P740.
• Managed administration task associated with LPAR OS, HACMP, GPFS, SAN and networking components.
• Experienced in creating CRON jobs to automate various System Administration tasks using the crontab utility.
• Implementation administration & virtualization with various platforms such as Hyper-V and VMware.
• Experienced in error logging subsystem and performance monitoring tools like vmstat, iostat, netstat on AIX.
• Have Experience in Configuration of RAID using RAID Manager and LVM in SAN based environment.
• Have strong relevant skills in a large EMC storage environment (e.g., NS960, Clariion, Celerra, ECC/Ionix)
• Experience with Tivoli Workload Manager.
• Strong knowledge in User Account Administration, adding and creating devices, patching, AIX backup/restore and changing kernel parameters.
• Assist Application Development teams with software deployments and implementations.
• Experience working in a SAP Environment and building the servers for SAP.
• Involved in deployment of Java applications on Web sphere Application Server.
• Performance tuning of Java applications.
• Worked on troubleshooting Java applications using logs, traces.
• Strong Knowlegde and coordinated with Application developers to solve the Java/J2EE related problems.
• Performance tuning by configuring JVM arguments, JDBC connection pooling & caching.
• Design, build, install and configure Red Hat Enterprise Linux servers & workstations.
• Migrated specialized servers into more portable virtual machines using RedHat KVM virtualization under RedHat Enterprise Linux.
• Expertise in building servers using Kickstart/PXE booting forLinux, Jumpstart for Solaris.
• Configuration, tuning, security, backup, recovery, monitoring and upgrade of Linux 5, 6 (RHEL) and Solaris on different cross platforms.
• EMC power path, Multipath configurations and bonding onLinux/solaris servers.
• Preparation of Logical Volume Manager (LVM) with new san luns, LUN online migrations using pvmove and LV mirror commands onlinuxservers.
• Create and administer RedHat Enterprise Linux operating systems to implement on the existing network.
• Extensive experience in Multipath and Bonding inLinux.
• VMware Installation, configuration andadministration, virtual environments with 5x VirtualCenter 5x.
• Network configuration on MDS/Brocade switches, HBA, FC, scsi disk details and zones.
• Network configuration for interfaces, switch ports, ethernet cards, host names and netmasks details.
• Expertise in configuring and administering NFS, DNS, LDAP, DHCP, Mail Servers clients.
• User & Securityadministration, backup & recovery and performance monitoring and kernel tuning.
• Experience in installation and tuning of Web servers/Web application for Java onLinux.
• Installation and configuration of Oracle 11gR2 RAC clusters onLinux environment.
• Verification with System Verilog based OVM/UVM, VMM or related methodology.
• OVM based testbench development for OTN IP verification, mainly XGMII 64B/66B codecs. I was involved in the development of generators and monitors from the beginning to the end phases of the testbench development. Fully automated regression scripts to run performance profiler and code coverage.
• Functional knowledge of Veritas Products, VCS and VVR and others.
• Expertise with shell scripts to run onLinuxand Solaris environment foradministration.
• Adept at monitoring and managing file system usage, hardware and system process failures
• Planning and provisioning of hardware, storage allocation and network configurations.
• Day to day administration of the Development, Production and Test environment systems.

TECHNICAL SKILLS

Operating Systems: IBM AIX (4.3, 5.1, 5.2, 5.3, 6.1, 7.1), Linux (RedHat 5.x 6.x, SUSE), Sun Solaris 2.5/2.6/7.0/8.0 , 9,HP-UX 1i windows3/00/NT4.0.

Hardware: IBM RS/6000, IBM p-Series, IBM blade servers (HS20, HS21, HS40) V80 V800 andV3800, Compaqservers, Sun Microsystems SPARC&ULTRA servers/workstations (U5, U10, U20, E450, E3500, E6000, E10K), IBM PCs, SCSI and IDE architectures, backup DLT tape drives.

Application Servers/ Web Servers: Web Sphere Application Server 3.5/4.0/5.0, WebLogic4.x/6.x, Netscape Application Server2.1, JBOSS, HTTP Server1.3/1.2, IPlanet Web Server 5.1/6.0, Netscape Enterprise Server, IIS 4.0/5.0, MQ Series, Apache.

Networking: TCP/IP, DNS, SSH, DHCP, Cisco Routers/Switches, and LAN.

Programming Languages: JavaScript, HTML, JAVA, C, VB, Python, Perl and Shell programming.

Databases: Oracle 8i/9i, DB2, MS SQL SERVER 7.0/2000, Sybase.

Tools: HACMP, Veritas Volume Manager, Veritas Net backup, Veritas File System, ECC/Ionix, MSCS, Web/App Servers IBM WebSphere 3.5/4.0/5.0.

PROFESSIONAL EXPERIENCE

Confidential, Schenectady NY

Aix/UNIX System Administrator

Responsibilities:

• Installing and configuring VIO Servers, building LPAR clients and sharing I/O devices to LPAR’s.
• 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.
• Configured IBM P-series 770, 750, 595, 570,550 and RS/6000 machines for production and test environments.
• Planning the major patch releases by coordinating with the application team for the proper implementation of security patches within the environments.
• Involved in hardware migration of servers from p5 to p6 to p7 and finally to Power 8.
• Developed and implemented the shell scripting for taking mksysb and push to the centralized NIM server.
• Migration of OS through NIM master.
• Involved in migration of Physical to virtual servers (P2V) and virtual to virtual servers (V2V).
• VIO Server operations, creating virtual adapters and configuring Ethernet or LUNs to LPAR’s and performing other troubleshooting techniques. Creating ether channel with link aggregation etc.
• Used System monitoring tools such as Microsoft System Center Suite and EMC Ionix.
• Generating regular operations reports using client supplied tools, such as EMC Ionix Control Center
• Support a variety of platforms, including VMWARE, AIX, Windows Server, Hyper-V, Linux, Solaris, .NET, WAS, Tomcat, IIS, SAN tiered storage, and zOS.
• Configuration management including the building of LPAR’s using HMC, IVM and configuring the hardware devices that support them.
• Administered the UNIX System for clustered AIX Servers running HACMP and DLPAR’s with fiber attached SAN storage.
• VERITAS Cluster Administration VCS including CVM(VERITAS Cluster6)Blade Server hands on Knowledge(HP Product Proliant G5/G6 -BL460c)Virtualization knowledge, Kickstart server, pXEBoot Linux Patch management, Linux YAST deployment.Shell or PERL script knowledgeITIL knowledge, 10.Cloud Basic Knowledge (HP Product, Knowledge on DAS/NAS/SAN.
• Installing and Configuring MPIO in dual VIO environment for providing continuous availability of storage to the LPAR’s.
• Configuring SEA failover in dual VIO environment for providing continuous availability communication to the LPAR’s.
• Applying security patches to VIO servers without impacting to VIO client.
• Planning of downtime for the hardware upgrades for the managed systems like additional memory or CPU etc.
• Working with the IBM tech support for any faulty hardware.
• Configuring NIB in dual VIO environment.
• ML, TL updating and APAR, fix installation, and patch update on AIX and devices on requirements basis and on customer specifications.
• Creating User, Group home directories and password administering.
• Provide comprehensive performance/capacity analysis on all company system platforms using application performance management and custom capacity management tools i.e. SRM, SCOM, V Center, Tivoli and tools specific to operating systems.
• Installing new software or file sets, packages and other third party applications when required by the developer or business.
• Using alternate disk installation method when upgrading or installing TL or ML on AIX Operating system.
• Configuring NIM master, NIM resources, installing OS on NIM clients.
• Creating file systems, checking for error report on servers. Running DIAG against hardware of the server to diagnose any issues.
• Exporting volume group from one node to other and adding new disks to volume group, replacing failed devices.
• Designing and managing disk space using AIX Logical Volume management. Strong technical skills on AIX LVM and troubleshooting.
• Assisting SAP Basis team with AIX/Linux and database troubleshooting.
• Supported the VCS cluster server running SAP and DB2 applications. Worked on implementing sudo n servers and limiting root access.
• Experience working in a SAP Environment and building the servers for SAP.
• Troubleshooting SAP issues from the O/S level.
• Responsible for Implementing Cloning, Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 4.0/5.0.
• Coordinated for seamless installation and configuration of SAP R/3.
• Checking error reports and health check of the servers, running snap on AIX Server to analyze system issues.
• Checking the file systems and increase/decrease the file system if required.
• Network configuration of tcp/ip & Ether Channel(Ling Aggregation), online troubleshooting for network and system ensuring connectivity between servers.
• Experience in support Weblogic servers. Start the Web logic instances if RC scripts not starting web logic instances after rebooting the unix servers.

Environment: IBM P-series 770, 750, 595, 570,550 and RS 6000, VIO, VMware, HACMP, SAN, SAP, SVC, LPAR.

Confidential, Fayetteville, AR.

AIX/Linux System Administrator

Responsibilities:

• AIX Server build and administration of Blade server JS22, JS23 & JS42 and p-series p770, p590, 570, 550 RS/6000 Servers, installing, configuring and maintaining Web sphere Application Server.
• Creating VIOS and LPAR from HMC, assigning CPU, Memory, Virtual Disk, Ether channeling and Virtual SEA creation.
• Blade server’s Virtualization-Manage, build and configure the VIOS and LPAR’s on Blade servers and p-series. Creation and installation of new VIOS and LPAR’s using HMC.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Extensive use of HMC, IVM for creating, assigning and allocating disks, virtual adapter. Concept of VHOST.
• Restoring the mksysb (operating system) from NIM server (Network boot).
• Micro partitioning, PowerVM. VLAN tagging, NPIV and other virtualized operations of Power Series systems.
• NIM server upgrades. All network operations.
• Creating LPP source and SPOT, restoring mksysb from NIM Master to clients.
• Migration of OS using NIMADM, CD/DVD boot.
• Software installation or patch fixes on the clients.
• Involved in client/server systems - includes all configuration, capacity and performance planning.
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
• The task includes the following steps as to ensure all DBA/Apps accounts exist with unique IDs on both production and failover servers.
• Migrating user’s home directory and applications file system to SAN disk for failover.
• Installation of HACMP file sets 5.4.1 Sp6 on newly added nodes to the cluster, also any fixes if required. Cluster sync and verification and troubleshooting any issues.
• Deployed Enterprise Applications on Application Servers in a clustered environment and maintained those applications.
• Daily support and monitoring onLinuxservers for different application groups.
• Network configuration for hosts file, interfaces and net masks, ip address, bonding configurations.
• Installation and configuration of SCSI/ISCSI devices/Luns onLinuxenvironment.
• SAN/NAS/NFS allocation from storage array to required applications on physical and virtual environment.
• Veritas Cluster Administration VCS including CVM(veritas Cluster6)Blade Server hands on Knowledge(HP Product Proliant G5/G6 -BL460c)Virtulaization knowledge,Kickstart server, pXEBoot Linux Patch management, Linux YAST deployment.Shell or PERL script knowledgeITIL knowledge, 10.Cloud Basic Knowledge (HP Product, Knowledge on DAS/NAS/SAN.
• Migration ofE-commerceapplications using Web sphere 6.1 and IBM Web sphere Commerce Server.
• Responsible for setting up the development, system test, performance test and pre-production environments for the ongoing application development.
• Worked on troubleshooting Java applications using logs, traces.
• Perform trouble shooting on Web and Database application like Websphere, Weblogic db2, Oracle.
• Migrate on premise database to AWS Cloud and also designed, built, and deployed a multitude applications utilizing the AWS stack (Including EC2, R53, S3, RDS, SNS, and IAM), by focusing on high-availability, fault tolerance, and auto-scaling.
• Configure EC2 Instances, VPC, Route 53, ELB, Subnets, etc.
• Automate infrastructure in AWS using amazon web services.
• Involved in deployment of Java applications on Web sphere Application Server.
• Performance tuning of Java applications.
• Coordinated with Application developers to solve the Java/J2EE related problems.
• Performance tuning by configuring JVM arguments, JDBC connection pooling & caching.
• Performance tuning by pointing the applications to the different available servers.
• IBM’s SVC and DS series, Power Path installation and involved in Storage Area Network (SAN) administration.
• Worked with IBM’s SVC and DS 4800, 6800 and 8000 SAN.
• Responsible for training users in applications and UNIX fundamentals and responsible for writing basic system and user documentation.
• Performed WebSphere Environment management through a routine check of Disk Space, CPU utilization and Performance monitoring by using Shell Scripts.

Environment: AIX 5.3, RedhatLinux5x,6x, VMware ESX5x, Oracle 11gR2 RAC, WAS 6.0.2.x/5.1.1.xx, WPS 5.1.0.x, Oracle 9i/10g, WSAD 5.1, IBM Tivoli Access Manager for e-business 5.1, IBM Http Server 1.3.28.1/2.0.47.1/6.0 , Java J2EE.

Confidential, Charlotte, NC

Aix System Administrator

Responsibilities:

• Responsible for Installation, Configuration, Support and troubleshooting existing systems in AIX 5.2 and 5.3 operating environment.
• Responsible for the operation, maintenance and integrity of a distributed, networked AIX based environment.
• Setting up NIM servers and clients for New & Complete Overwrite/Migration Installation management and NIMADM upgrade.
• Have upgraded servers from AIX 5.1 and 5.2 to 5.3.
• Configuration management including the building of LPAR’s using HMC and configuring the hardware devices that support them.
• Extensively used LVM - created VG’s, LV’s & disk mirroring for IBM p-series servers.
• Experience in studying the kernel performance issues using various utilities like topas, vmstat, svmon and iostat.
• Responsible for backing up the system image mksysb and restoring them during the system recovery process.
• Capacity planning of disk space and hardware resources required for production and developments.
• Responsible for migrating and decommissioning of the system.
• 24/7 support, setup and configuration, AIX OS installation/Migration/Cloning, System support and Administration of IBM RS/6000 and p4 Servers.
• Applied Security Fixes, APARs and upgraded Maintenance Level.
• Backup, System Recovery, Security and Performance Tuning.
• Assist Application department to install application on AIX system. Tune AIX for application requirement. Working with application admin to resolve performances of systems.
• Coordinated team for upgrade AIX 5.1 to AIX 5.2.
• New system planning, System related problem determination and resolution.
• Building of new VIO Servers and clients from p-series p550, p560, p570, p590 using HMC.
• Creating Logical Partitions of VIO Servers and VIO Clients on pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC (LPAR’s).
• Installation of VIOS 1.5.2.5, VIOS Fix pack 11.1 Service Pack via NIM Server.
• Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via NIM Sever.
• Installation and configuration of VIO servers and updating system firmware by using HMC along with Logical Partition technology (LPAR’s).
• Building and configuring AIX V6.1, 5.3 on LPARs using NIM.
• Responsible for the support of Production, HA, DR, QA and Development environments with over 30 servers (v240, v490 and E2900) running on Solaris 8 and Solaris 10.
• Responsible for monitoring systems performance and troubleshoot system / network bottlenecks.
• Written Shell scripts to collect server statistics.
• Used svmon command a lot in scripts for memory aspects.
• Documenting each and every procedure and uploading the Documents on the Internal Web Portal of the Company for Team Reference.

Environment: Hardware: IBM RS/6000 - p5-550, p5-590, p5-595.M4000, M5000, T5220, T5240, O/S: IBM AIX 5.2 / 5.3.Solaris, 9.10 Storage: EMC Clarion CX700 and EMC Symmetrix.

Confidential, Benton Harbor, MI

AIX Administrator

Responsibilities:

• Supported mid range infrastructure specifically IBM AIX environment running on pseries.
• Installed 20.+ AIX 6.1 images on virtual clients LPARs using NIM master.
• Performed migration which includes migrating from old hardware, OS, SAN, and datacenter.
• Migrated 80 + AIX5x from p5 servers to P6-570 hardware from datacenter one data center to another.
• Migrated SAP environment includes 40+ AIX servers from AIX 5.2ML10 to AIX 5.3TL8. Upgraded AIX 5.2 ML level for to ML10.
• Installed and racked three p6-570 servers from the scratch, cabled and documented.
• Created/Installed/Configured Dual Virtual I/O servers on p6-570 with SEA failover, MPIO and link aggregation on p6-570.
• Setup DR environment for tier one and tier two servers at DR site. This setup includes creating and configuring virtual clients LPAR, installing AIX images from existing servers and performing DR test.
• Installed LINUX on different platforms including 86 series and IBM p seriese)
• Provide 24*7 supports for division and SAP/DB environment.
• Performed testing to verify failover and fallback of Dual VIO server on p6-570.
• Create standard LPAR, performing DLPAR operations to manage recourses between machines.
• Create /Installed/Configured Single Virtual I/O server with MPIO access to storage.
• Configured Link Aggregation, Shared Ethernet and MPIO on Virtual I/O server
• Created 60+ Virtual I/O client LPAR on different IBM p5/p6 hardware using HMC.
• Perform SAN migration on 60+ database server from DS8300 to NetApp disks storage.
• Install golden image of AIX 5.3 and 6.1 using Storix System Backup utility.
• Installed AIX 5.3 using Media and mksysb using NIM servers.
• Upgrade the firmware of managed systems p6-570 / p 5-570/550/520/55 A,
• Upgraded HMC firmware from version 6 to 7.
• Upgraded 15 Prod/70 Dev-QA AIX 5.3 servers from TL05 SP2 to TL08 SP2.
• Upgraded Tivoli Client 5.2 to 5.5 on 90+ Dev and QA servers.
• Migrated Storix backup software on all AIX clients from 6.2.2. To 6.3.3.
• Hands on experience on p5 series hardware which includes hardware planning, racking, cabling, connecting with SAN and HMC, installing OS, upgrading OS to current TL and preparing box for applications and database.
• Backup and restore rootvg using Storix backup utility.
• Provided 24*7 on call production support and resolved tickets through Clarify ticketing system.

Environment: IBM AIX v5.1, v5.2, v5.3, v6.1, p6-570 and p5-570, p5-561, p5-560, p5-55A, p5-505, p-650, p-630, p-620, p-610, B50, and F50servers, LPAR, DLPAR, Virtual I/O, Multiple HMC WebSM,, NIM, KORN Shells, Storix 6.1, TSM, SAP, NetApp, Shark and Orcale, DB2Tivoli Workload Scheduler (TWS), Tivoli Management Framework (TMF), Tivoli Enterprise Console (TEC), Tivoli Storage Manager (TSM),, Lotus Notes, Oracle/DB2, SAP.

Confidential

AIX/Linux Administrator

Responsibilities:

• Worked with 100+ IBM servers such as IBM RS/6000, p670, p5-570, p5-595 servers running AIX 4.3.3, 5.1, 5.2 and 5.3.
• Setup and configured TCP/IP network on LINUX and AIX.
• Worked with implementation team of high availability cluster on IBM RS/6000 platform (HACMP for AIX).
• Creating LPARS and configuration of DLPAR scripts for load sharing.
• Installed and configured network services such NFS, NIS and DNS Server.
• Adding physical volumes, creation Volume groups, File systems, Storage allocation, cron jobs, maintenance levels upgrades and applied Fixes for AIX 5.x.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Worked in the migration team for migration from AIX 4.3.3, 5.1 to 5.2 and 5.3.
• Configured backup/archive policies using Tivoli Storage Manager.
• Modified Korn and Bourne shell scripts in order to automate administration tasks like customizing user environment and performance monitoring.
• Performed routine checks on nodes by monitoring syslogd and errorlogs for system and hardware errors.
• Installing, upgrading and configuring Redhat Linux ES 4.x/5.x using kickstart installation.
• Setup cron jobs schedules for various backup and monitoring tasks. supported with enterprise backups using Veritas Nebackup version4.5.
• Installed, configured and administered Websphere Application Server 4.x/5.0.
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Performed extensive Logical Volume Management (LVM) tasks.
• 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.
• Developed Korn and Bash shell-scripts to automate routine activities.
• Installing and setting up Oracle9i on Linux for the development team.