OBJECTIVE

• Seeking an opportunity to enhance my skills within this field by exposing my caliber in a challenging environment that encourages continuous learning and creativity along with personal and professional growth which adds some more experience to my career.

SUMMARY

• 4.1 years of Experience as AIX Administrator.
• Extensive experience in working with NIM, TL, file system, and VIO environments.

TECHNICAL SKILLS

Operating System: AIX 5L,6.1,7.1

Backup: mksysb, backup, savevg, restvg, restore

Virtualization: VIO

Others: HMC, LPAR, DLPAR, NIM, NFS, FTP

Cluster Technology: HACMP 5.5, 6.1

PROFESSIONAL EXPERIENCE

Confidential

AIX System Administrator

Responsibilities:

• Taking server backups such as mksysb, savevg and other file or directory level backup using backup utility.
• Installing Operating system, Server build, migrating OS etc. Installing new software / file sets, packages and other third party applications when required by business.
• Creating new logical volumes, creating file systems, working with file system changes such as changing mount point, changing file system size. Good hands on trouble shooting skills of Logical volume manage.
• Creating Users, Groups and working with user security settings, home directories and password administering on basis of tickets issued.
• Troubleshooting user management related issues and providing permissions as per requirement.
• Using alternate disk installation method when upgrading or installing TL on AIX Operating system.
• Interacting spontaneously with rest of the teams while performing any upgrades.
• Booting process and nim migration.
• Configuring NIM Master, creating NIM resources for network installation on clients and also allocations, configuring NIM clients and troubleshooting any NIM related issues.
• Working with system dump, paging space and monitoring them.
• Generating reports of system performances based on tickets and reviewing them periodically.
• Involved in bridge calls, weekly calls and web ex updates.
• Scheduling and managing cron jobs and checking its details from their logs.
• Faulty disk replacement, running diag against hardware of the server to diagnose any issues. Exporting volume group and adding new disks to volume group, Replacing failed devices.
• Running snap on AIX Servers to analyze system/general configuration issues.
• Performance monitoring using vmstat, iostat, sar, topas and analyzing these reports to figure out any bottle necks like cpu bound or memory leakage or I/O bound.
• HMC management, MM management, VIO management and managing LPARS.
• Create partitions, partition profiles, and system profiles, Activate partitions, and Schedule operations for partitions, troubleshooting activation errors, DLPAR operations for adding, moving, and removing memory, processor resources, and I/O slots.
• Analyzing error logs and terminologies like APAR, PTF, cluster, RG, Settling time, RDFT, graceful, graceful with takeover, LPM, cluster types, RG policies and related daemons etc.
• HACMP - Monitoring servers, Starting and Stopping Cluster Services, moving resource groups across the nodes, increasing file system in cluster file system, synchronizing cluster resources and cluster verification.
• HACMP Cluster configuration, HACMP cluster nodes, Network configuration, configuring disk heart beats, non ip heart beats, verification, synchronization.
• Defining shared volume groups and working on different operations such as creating shared file systems, increase or decrease file system sizes, concurrent disk for disk heart beat etc.,
• Regular Reporting on Open/In Progress/Resolved Tickets.
• Monitoring daemons of NFS,NIM,DLPAR.
• Looking into space issues and process and finding inactive and zombies process and killing .

Confidential

Responsibilities:

• Installation, configuration and disk management.
• Attending daily issues such as filesystem management, housekeeping, checking disk usages etc.,
• Analyzing log files, checking error report and taking pro-active steps.
• User and password administration, OS Hardening and working with security related settings.
• Installing Quick Fixes such as APAR’s PTF’s as when required.
• Using alternate disk installation method when upgrading or installing TL or ML on AIX Operating.
• Participating in AIX migration project - Migrating AIX Version 5.2 to AIX 5.3 Operating System.
• Interacting with other teams such as DB team and Web team to solve and fix any related issues.
• Daily health checks and keeps track of change records.
• Daily, weekly backups, running system backup using mksysb, Volume group backups with savevg. Disk and volume management AIX LVM. Replacing faulty physical volumes from rootvg or other user defined volume group.
• Fixing booting related issues, working with boot list in SMS modes, bosboot to fix booting problems.
• Working with Network File systems - Configuration, troubleshooting network shared issues.
• Scheduling jobs using crontab - editing, removing and checking cron logs.
• Troubleshooting all aspects of the operating environments.
• Performance tuning, networking, system security, IO monitoring and analysis.
• Managing High Available Cluster nodes (HACMP) - Cluster Starting, Stopping, Moving resources from one node to another, Trouble shooting and checking up logs etc.,
• Plan and implement system upgrades, patches, software installations, hardware additions. Stay current with technical developments in the area of expertise.
• Work closely with various lines of business within the organization to ensure the quality and delivery of assigned tasks.
• Configuration of new devices using cfgmgr - Disk Replacement incase of any disasters.