SUMMARY

• Over 5 years of IT experience that includes over 4 years of specialized experience in AIX Administration.
• Experienced in installing, configuring, administering, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX4.3/5.1/5.2/5.3/6.1/7.1
• Everyday Network administration tasks- adding and removing users file and share permissions, trust management, replication management, server backups, and server setups.
• Expertise in IBM AIX hardware components RS/6000, pSeries , trouble-shooting and maintenance of PC's
• Strong shell scripting skills on Aix/Linux systems
• Experience migrating, maintaining and supporting large national systems using Linux
• Configuration Management including the building of LPARs and configuring the hardware devices that support them
• Installed and build from scratch complete NIM Setup.
• Adding different clients to NIM server and their Backup.

Disaster Recovery Planning

• Adept at Monitoring and Altering file system usage, hardware and system process failures
• Experienced in Installation, configuration, maintenance and troubleshooting of HACMP 5.1 , 5.2 on AIX 5.1/5.2/5.3 Power HA 6.1 on Aix 6.1 7.1
• Configured file systems using JFS2 file system technologies
• Proficiency with configuration and maintenance of NFS, DNS, NIS/NIS , DHCP, SMTP, and Networking with TCP/IP
• Sun Solaris, IBM-AIX kernel Tuning, Performance Analysis and Load Balancing
• Experienced with support 24/7 on AIX Administration
• Implementing and maintenance of DNS, DHCP servers in Solaris sub-network.
• Performed storage administration tasks.
• Performed backups on TSM server.

SKILLS:

• Platforms: UNIX /AIX 4.3.3, 5.1, 5.2,5.3,6.1 , Linux Red hat AS/ES/WS 3/4/5 , SAN, TSM.
• Networking: TCP/IP, Ethernet, token ring, FDDI, VPN, OPENSSH, secureID, router , switches, DHCP, DNS QIP software
• High Available Clustering: HACMP/Power HA

PROFESSIONAL EXPERIENCE:

• Support of IBM pseries P4-P5 and P6 servers AIX/Linux Hardware setup and configuration.
• AIX/Linux RedHat AS/ES OS installation/Migration/Cloning, PTF/RPM installation and management, Disk subsystem configuration, Filesystem and logical volume planning and configuration, VERITAS volume manager, Performance monitoring, I/O tuning, User and printer management.
• Inittab and Cron management, HACMP clustering, LPAR and DLPAR installation, Network.
• A sync and Serial communication configuration, System backup and restore, Daily security checks, Third party software installation and upgrades, scheduled system health checks, S.A. procedure documentation, New system planning, Customer support, System related problem determination and resolution.
• Provided system support for 800 midrange IBM including routine maintenance, patching, and system backups and restoring, and software and hardware upgrades
• Installation Configuring IBM DB2 Server on Red Hat Linux AS/ES 4 AIX 5.x.
• Configuration of NFS Server NFS Client for disk sharing to take backup.
• Maintaining and monitoring the file systems and performance tuning on AIX 5.1/5.2./5.3/6.1/7.1 servers 615/640/690 /510/550/ 52A/55A/ 570/595 , Linux Red hat AS/ES/WS HP Series Servers.
• Working on all UNIX platforms like AIX 4.3/5.1/5.2/5.3,6.1 /Linux Redhat AS/ES 3/4/5,
• Applying the Security patches and doing all the change management.
• Responsible for mirroring and unmirroring using logical volume manager LVM
• Responsible for system partitioning LPAR and operating system installation using HMC
• Responsible for performing administration tasks on DLPAR such as adding, deleting and moving system resources from one partition to another partition
• Configuring TCP/IP Networking services as per the Client requirements. It Includes
• Configuring File Print Servers, Mail servers Send mail , DNS, WINS and DHCP in UNIX environment.
• User and group administration
• Expertise in doing NIM installations on AIX 5.2/5.3, 6.1.
• Installation and configuration of VIOS .
• Responsible in configuring of virtual Ethernet, virtual SCSI and virtual memory
• Responsible for some of the IBM box backups using MKSYSB.

Confidential

Senior AIX Systems Engineer / Administrator

Responsibilities:

• Working in a huge environment that consists of almost 1000 servers including RS/6000, pSeries and IBM Blade Center
• Experience in pSeries hardware p5 570 64-bit POWER5 and POWER5 processors based symmetric multiprocessing SMP p5 550 and management for xSeries BladeCenter Servers JS20 /HS20 pSeries POWER4 processor-based
• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Creating Logical Partitions of VIO Servers and VIO Clients on every pSeries frame and assigning processor, memory and Ethernet adapters to VIOS and assigning memory and processor to VIOC LPARS .
• Installation of VIOS 1.5.2.5 2.2.3.1, VIOS Fixpack 11.1 Service Pack via NIM Server.
• Installation of AIX 5.3 on all VIOC/LPAR Clients, installation via NIM Sever.
• Responsible for monitoring systems performance and troubleshoot system / network bottlenecks.
• Performed Security on users, groups administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Maintained the servers for the system uptime, patch management, and user management
• Replaced failed components like Ethernet/ fiber channel adapters, power supplies, and disks to avoid down time.
• Performed installation, periodic maintenance updates and applied patches and kernel fixes.
• Setup and managed user accounts, and changed user attributes based on users requests, and troubleshoot login issue by configuring NFS/NIS settings.
• Setup cron jobs schedules for various backup and monitoring tasks.
• Assisted in setup and configuration of network TCP/IP on SUN and IBM servers including RPC connectivity for NFS.
• Performance monitoring done with conventional tools like sar, topas, nmon, iostat netstat.
• Monitored system activities, log maintenance and disk space management.
• Created tickets for problem notification and documentation purposes and opening of Cases with IBM and various vendors for unresolved issues.
• Experienced in setup and configuration of sync tools such as rsync.
• Production Support 24x7 On call 4 Shifts Primary 2 Shifts Secondary per week

Environment: Environment: VIOS, AIX 6.1/5.3/5.1/, p5series p590, p570, p550, WAS 6.0, DB2 UDB, Oracle 10G, HMC 7.x,HP-UX 11i, Solaris 2.8 and Solaris 10, Sun Volume Manager, SunFire servers v240, v490 and E2900 , HP Server DL380, HDS TagmaStore UPS 600 and AMS 500 HP Clustered Gateway Windows 2003 File Server, Perl, Korn, C Shell, NIS and NFS.

Confidential

AIX Administrator

Responsibilities:

• UNIX ADMINISTRATION: Large installation >30 servers of IBM AIX 5.1/5.2/5.3/6.1.
• Duties include user administration, startup and shutdown scripts, file system maintenance and backups.
• AIX administration supporting RS/6000 Servers p570,p670 , installed, configured and maintained a complex of 70 virtual servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager LVM commands.
• Created and configured LPARS on pSeries machines.
• Setup and maintained NFS on Aix systems.
• Updated Korn shell scripts for admin tasks like customizing user environment, performance monitoring, platform independent wrapper scripts, pushing changes through cron, security management etc.
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Providing support for production and development systems as a system Admin in an environment that consisted of multiple IBM RS/6000s and p-series hardware.

Environment: IBM AIX 5.1,5.2, RS/6000 , HP-UX 11i, Solaris 2.6, Tivoli Storage Manager, pSeries servers p570, p670 , IBM WebSphere Application Server 4.0/5.0, IBM HTTP Web Server 2.0.47.7, EMC Celerra File Server, EMC Symmetrix, Perl, Korn Shell, NIS, NFS, DNS, LDAP Server, HACMP software.

Confidential

AIX Administrator

Responsibilities:

• Responsible for the support of SP complex with over 30 servers p690/670/650, S80 running on AIX 5.1/5.2/5.3/6.1
• Primarily responsible for monitoring systems performance and troubleshoot system/ network bottlenecks.
• Performed Security, users and group administration and daily backup and restore operations, networking service, performance, and resource monitoring.
• Performed a routine check on nodes syslogs and errorlogs for system and hardware errors.
• Configured HMC service agent for automated service call and LPAR monitoring.
• Provided hardware support to the application development team. Replaced failed components like Ethernet/ fiber Channel adapters, power supplies, and disks etc to avoid down time.
• Ran scripts for LVM configuration change like LV size extensions and FS extensions.
• Performed installation, periodic maintenance updates and applied APAR fixes.
• Setup and managed user accounts and changed user attributes and troubles hooted login issues.
• Assisted in creation of NFS file system exports for data movement and configured network interfaces in control workstation.
• Assisted in configuration of nodes as NIS masters and slaves based on SP complex requirements and monitored NIS slaves for all the updated NIS maps.
• Setup cron jobs schedules for various backup and monitoring tasks.
• Assisted in setup and configuration of network TCP/IP on AIX servers including RPC connectivity for NFS.
• Performance monitoring done with conventional tools like sar, topas, nmon, iostat netstat
• Monitored system activities, log maintenance and disk space management.
• Assisted in opening of tickets for problem notification and documentation purposes and opening of PMR with IBM for unresolved issues.

Environment: IBM AIX 5.1,5.2, RS/6000 SP frames, HP-UX 11i, Solaris 2.6, Tivoli Storage Manager, pSeries servers p570, p670, s80 , EMC Celerra File Server, EMC Symmetrix, Perl, Korn, C Shell, NIS and NFS.