SUMMARY

• Eight years of experience in system administration support, design, implementation, maintenance, tuning and troubleshooting of the servers running on IBM AIX 5.1/ 5.2/5.3/6.1/7.1, RHEL 4.x/5.x/6.x and VMWARE.
• Expertise in planning, installation, configuration and maintenance of VIO servers for versions 1.5, 2.1, 2.2, 2.2.3.1.
• Adept at Patches and Packages installation on Linux/Unix environment.
• Expertise in planning, installation, configuration and maintenance of IBM HACMP V4.5 V5.1, 5.3, 5.4 and Power HA 7.1 system mirror.
• Experienced in implementing high availability clusters using VERITAS clustering and red hat cluster server.
• Installed, configured and managed VMWARE infrastructure ESXi, Virtual Center .
• Experienced in VERITAS volume manager, configuration and maintenance VERITAS File system.
• Extensively used HMC/SDMC to perform various tasks like creating VIOS and LPARS, performing DLPAR operation to change CPU configuration, changing memory, activating profiles, LPARS, power-off frame etc.
• Worked in coordination with DB2 DBA's, Oracle DBA's and performed changes as per their requirements.
• Extensively worked on Oracle RAC requirements, allocated 30 TB of EMC SAN storage which was added to Oracle ASM including the ownership being given to DBA. RAC disks were to use by ASM and not AIX LVM.
• Knowledge and experience in supporting different databases like DB2, Oracle on AIX LINUX.
• Experienced in LPAR, dynamic LPAR and different servers like p550, p570, p595, p630, p650, p670, p690, p770, p795 and IBM Pure flex.
• Installed VIO server advanced POWER virtualization on IBM P5 P6 P7 system.
• Assigned resources to the LPAR client through the VIO server and client installations.
• Experienced in AIX system dump generation, resizing dump devices, understanding error reports and coordinating on different issues with AIX system support center.
• Installed and built from scratch complete NIM Setup. Added different clients to NIM server and their backup.
• Experienced in monitoring system performance and checked the status of the system using utilities such as SAR, TOP, NMON, VMSTAT, IOSTAT, etc.
• Supported WebSphere application server, IBM HTTP/ Apache Web servers in AIX environment for various projects.
• Proficient in SMIT administration and installation, maintenance of RS/6000 systems.
• Knowledge of networking TCP/IP, Ethernet , NIS, DNS, NFS, DHCP and RAID.

SKILLS

• Operating Systems IBM AIX 4.3.3, 5.1, 5.2, 5.3, 6.1, 7.1 Linux 6/7/8.x RedHat, SUSE ,
• VMWARE, Windows 2000/NT4.0
• PLATFORMS IBM RS/6000, SP2, p670/680/690 Regatta series, p520/550/570/590, Dell PE
• 2650, EMC Symmetrix, FaST, DS8100, DS4300, F20/40, HACMP, PowerHA
• Tools Active Directory, VERITAS NetBackup, VERITAS Volume Manager,
• VERITAS Volume Replicator, BMC, Tivoli, NMON, NAS, Korn, C shell
• Scripting
• Languages C, C , VB, Java, Perl and Shell programming
• Databases: Oracle 8i, 9i, 10G 11G, DB2, MS SQL SERVER 7.0/2000
• Networking TCP/IP, HTTP/HTTPS, FTP, SMTP and SOAP
• Web/App Servers IBM WebSphere App Server 3.5/4.0/5.0 , IBM HTTP Server IHS , Apache
• Tomcat, I Planet, Netscape Enterprise Server

EXPERIENCE

UNIX/AIX Engineer

Confidential

• Practical experience with installation, configuration, upgrade and administration of IBM p series, Power5, Power6 and Power7 servers on various levels of AIX operating system 5.2, 5.3, 6.1, 7.1 utilizing NIM for availability on mission critical systems in a fast paced environment configured RHEL 5.X,6.X servers.
• Responsible for administration, installation, upgrading, migration, configuration, troubleshooting, security, backup, disaster recovery, performance monitoring and fine-tuning of AIX systems on different oslevels.
• Configured the NIM Master, NIM slaves and nodes installation through NIM.
• Supported a major initiative to migrate SAN storage utilized by Solaris, Linux and AIX servers typically large Oracle data bases, web and application servers across several EMC DMX arrays onto EMC VMAX array.
• Performed live partition mobility to move systems from one frame to another frame.
• Migration of development application and database servers on IBM Pure flex systems.
• Built LPARs and supported application migration activities following the build and security standards.
• Supported the collection of performance data via a predefined centralized collection methodology specified by IBM.
• Worked with DBAs on installation of Oracle, restoration and performance tuning.
• Remediate any security issues uncovered by vulnerability scans.
• Installation configuration and testing of VIO server with AIX 5.3, 6.1 on client LPAR's on 550, 570 and p590, p595 model and using NPIV.
• Hands on experience in configuring ESXi and vSphere4,5 on HP Blades
• Automated server building using system imager, PXE Kick start and Jumpstart.
• Setup and configured failover load balancing using IP bonding for network cards
• Installed and maintained IBM Tivoli Storage Manager TSM for Backups and data storage.
• Configuration of NIS, NFS, SAMBA, SENDMAIL, APACHE SERVICES on Linux UNIX environment.
• Configured backup/archive policies using backup utility and mksysb images of root volume group to meet data archiving requirements and disaster recovery readiness.
• Troubleshooting and administered high availability using Red hat Cluster, VERITAS Cluster server on various business critical database and application production servers.
• Installed PowerHA 2 node cluster on IBM AIX P795 production servers.
• Monitored, troubleshooting, supported and fixed operating system and hardware problems on several versions of UNIX systems.
• Generated reports to show the trends of resource utilization user/CPU/network load/memory.
• Documented UNIX configurations for hands-off to the production support team.
• Attended meetings and analyzed information obtained from management to conceptualize and define operational problems.
• Experienced in upgrading HMC.
• Assisted other Unix administrators when help was needed i.e., creating UNIX accounts, writing scripts to perform system administrator functions, responding to trouble tickets, etc
• Coordinated server maintenance through a well-defined change control process including after hours and weekend Sunday work as necessary to support systems
• Performed Firmware level upgrades for the Ethernet/fiber card adapters
• Installed patches, security fixes, packages on AIX and Linux servers.

Environment: IBM Pure flex, Power 795, 770, 740, AIX 5.3/6.1/7.1, RHEL 5.x, 6.x, ESxi 5.5

Vsphere 4/5, HP DL 380 Blade servers, Red hat clustering, Veritas Clustering, Power HA and HACMP, EMC Symmetrix, VMAX, NETAPP and TSM

Confidential

UNIX/AIX Engineer,

• Responsible for administration of several power 6 and 7 servers including P520, P550, P570, P595, P720, P770 P790 and RHEL 4.x,5.x,6.x servers
• Administration responsibilities included users, groups, disks, printer, security management, and incident troubleshooting.
• File system maintenance, backup scripting and automation, file sharing permissions, software maintenance, file sets, program fixes and keeping the system software releases to the current level.
• Performed Unix/Aix server migrations in a data center consolidation project using different migration techniques including replication using SRDF
• Performed hardware migrations from IBM P550 to P770.
• Performed TL upgrades from AIX 5.3 TL 7 to TL 12 as part of hardware migration using alt disk method.
• Built and configured new VIO servers with VIOS 2.1 on P770.
• Racked, installed and configured p7 p720/750s into a virtualized environment, DUAL VIOS 2.2 and AIX 6.1
• LPARS with SAN bootable LPARS, HBA virtualization NPIV and Live Partition Mobility LPM .
• Installed AIX servers by using Network Installation Manager NIM server to deploy AIX system images over the network. Moved AIX servers from old IBM p4/p5 hardware to newer IBM p6/p7 hardware
• Installed RHEL 5.x using Kick-start server on standalone servers and VMware environments.
• Provided solutions to the client about Disk mirroring and RAID implementation using Solstice Disk Suite and VERITAS volume manager and cluster.
• Responsible for patching Linux servers.
• Setup and managed environment using puppet configuration management tools.
• Administered Linux Servers Linux Red hat RHEL 3/4/5 for several functions including managing Apache/Tomcat server, mail server, My Sql database and firewalls in both development and production.
• Installation and configuration of Red hat Device Multipathing.
• Captured the image of production server, configuring RAID and build the new server using the image on system image server with PXE boot.
• Advanced knowledge and skills in Linux operating system, high availability/clustering, system backup/restore, kick start and Logical Volume Manager software products.
• Experienced in installation and configuration of Web Sphere application servers V3.5/4.0/5.x/6.x, IBM HTTP Server on AIX, Solaris and Linux platforms
• Deport/imported volume groups.
• Performed a failover or fail back of resources within an HACMP 5.5 clusters from the primary node to secondary node and vice versa
• Configured Esxi hosts and created a virtual center for development, test and production environments
• Worked on servers configured with EMC Clariion, EMC Symmetrix, EMC Celera, EMC VMAX storage
• Split and established the EMC Symmetrix SRDF link used to mirror data from the live site to the DR standby site

Environment: Power 520, 550, 570, 595, 795, 770, 740, AIX 5.3/6.1/7.1, RHEL 5.x, 6.x, ESxi 5.5, Vsphere 4/5 , HP DL 380 Blade servers, Red hat clustering, Veritas Clustering, Power HA and HACMP, EMC Symmetrix, VMAX, EMC Celera and TSM.

Confidential

UNIX/AIX Engineer

• Responsible for installing, configuring and maintenance and systems development of AIX 5.2/5.3/6.1 servers.
• Installation and configuration of VIO server with AIX 5.3 on client LPAR's on P5 servers.
• Responsible for NIM installation, setting up NIM servers, clients, define the resources, Alternate Disk Migration with NIM.
• Scanned the whole environment to find the vulnerabilities on around 800 servers in the current environment.
• Responsible for taking system backups mksysb, mkcd, savevg and savevgcd also make system backup through NIM, making archives of files and folders.
• Software installation, updating and trouble shooting on systems using NIM and media.
• Troubleshooting server via HMC 7.x and web sm for console access.
• Installing and troubleshooting on VIO clients. Upgrading servers to new technology level.
• Worked on remediation project, which made the client's environment secured by disabling the unsecured services.
• Assembled necessary resources to create 2 node HACMP 5.4 failover environments which involved AIX/SAN/LPAR configuration.
• Ensured server data integrity by evaluating, implementing and managing software solutions like Tivoli Storage Manager.
• Configured NIM server, Alternate NIM server and NIM clients and performed OS installation and OS backup mksysb for the clients from NIM server.
• Maintaining AIX kernel, volume groups, logical volume, JFS file system for better performance. Schedule cron job for automate the task for later execution.
• Setup the full networking services and protocols on AIX and Linux, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Administration and troubleshooting multi-terabyte EMC frames connected to multiple platforms including AIX 5.2, 5.3, Solaris.
• Supported AIX library calls and file sets for optimum availability. Configured device with device drivers. Worked with file system corruption problem, boot problem, recovery after hardware failure. Engaged appropriate resource for prompt problem resolution.
• Sound Knowledge of HACMP troubleshooting and dealing with day to day problems.
• Configured, upgraded, managed HACMP cluster and worked with HACMP resource and node failover/failback with various AIX levels on IBM p Series environment.
• Worked with assigned problems, change and emergency change tickets based on appropriate severity levels. Consistently active in meetings for problem resolutions and new potential projects using remedy problem tracking tool and lotus notes.
• Development of shell scripts for automation of systems administrative tasks.

Environment: Power 520, 550, 595, AIX 5.3/6.1, RHEL 4.x, 5.x, ESxi 5.0, Vsphere 4 , HP DL 380 Blade servers, HACMP, EMC Symmetrix, VMAX, EMC Celera and TSM.

Confidential

Systems Administrator,

• AIX administration supporting p590, 570, 550, RS6000 servers, installing, configuring and maintaining Web Sphere application server, Samba server and IBM HTTP server.
• Worked on remediation of AIX 4.3, 5.1, 5.2, 5.3, 6.1, 7.1 Solaris 8,9,10, Linux and HPUX servers of the client catholic healthcare west environment.
• Wrote korn shell scripts to automate and speed up the remediation process.
• Day-to-day activities such as user accounts maintenance, security including environment variables and profiles, LVM, Kernel/system boot, TCP/IP, remote login, ODM, fiber storage attachment, LPAR, and device drivers install, as well as microcode upgrade.
• Reviewed server configurations for capacity planning, and recommended growth solutions.
• Configured and supported Logical Partitions/Micro Partitions LPAR , via HMC Hardware Management Console .
• Installed VIO server POWER Virtualization on IBM P5 P6 System.
• Extensively used HACMP CSPOC to create VG's, LV's and file systems.
• Extensively worked on setting up of HACMP clusters including RGMOVE and performed failovers, starting up and shutting down the HACMP cluster application for change activities.
• Allocated 3200GB storage to expand existing DB Instance to 6400GB Raw. This storage is for an oracle RAC database which is in a clustered environment on 4 standalone AIX servers.
• The luns added to RAC DB were using Oracle ASM Automatic Storage Management Worked on removing around 20,000 users present on 800 servers using korn shell scripting.
• like ftp,telnet,nfs,rlogin,rshell,rexec,snmp,finger,rsh,ruserd,tftp,rwho etc.
• Worked on users while remediating the servers in NIS environment in Linux Servers.
• Was a part of the enterprise on-call schedule for UNIX administration and supported other flavors of UNIX administration.

Environment: Power 4 and 5 servers, AIX 4.3/5.3/6.1, VIO Servers, RHEL 4.x, 5.x, ESxi 5.0, Vsphere 4 , HP DL 380 Blade servers, HACMP, EMC Symmetrix, NIS.

Confidential

AIX/UNIX Systems Administrator,

• Responsible for installing, configuring and maintenance and systems development of AIX 5.1/5.2 servers.
• Extensive use of LVM, creating volume groups, logical volumes, and disk mirroring, Fix the problem with the partially mirrored logical volumes.
• Performed user account management, data backups, and user's logon support.
• Responsible for setting up the AIX environment from the scratch right from planning, creating LPARS, installing AIX, setting up NIM, creating clients, restoring mksysb to support the servers in production.
• Installation/administration of TCP/IP, NIS/NIS , NFS, DNS, NTP, Auto mounts, sent mail and print servers as per the client's requirement.
• Responsible for configuring VLANs on IBM Blade center, Nortel Switches, and CISCO switches.
• Reported to a team lead on a daily basis, coordinating problems and changes.
• Installed and configured LDAP on AIX and windows expertise in making user groups.
• Day-to-day trouble shooting for the end users on AIX based applications.
• Worked with DBAs on installation of Oracle, restoration and performance tuning.
• Attended team meetings, change control meetings to update installation progress and upcoming changes in environment.

Environment: Power 4 and 5 servers, AIX 4.3/5.1/5.2, LVM, IBM Blade Center, CISCO Switches, Nortel Switches and LDAP.