RESUME

Email : acu0ql@r.postjobfree.com

Sangeetha Kumar Mobile: 978-***-****

Objective

To be associated with the organization that provides me an opportunity to show my skills and improve my knowledge with latest trends and to be part of the time, to work dynamically towards the growth of the organization.

Experience Summary

• Total IT Experience 8 Years 6 Months.

• Currently working as a Unix Admin handling 3000+ (Redhat Linux,IBM AIX ) Servers for Marriott International.

• Experience in Systems Administration which includes Installing, Configuring, Maintaining and Troubleshooting Linux Redhat & IBM AIX.

• Experience in Linux 5/6 Operating systems and IBM AIX 5/6.

• Experience in IBM P system Series & HP ProLiant servers.

• Experience in Logical Volume manager (LVM),Xen,KVM virtualization,redhat cluster,HACMP,VIO.

• Maintain the SLA & Coordinating with vendors RED HAT, IBM.

Certification

Redhat Linux certified Engineer (RHCE 6)

IBM AIX P Series Administration (000-223) Certified.

IBM AIX System Administration (000-104) Certified.

ITIL V3 Foundation

Work Experience

1. Infrastructure Management Senior Analyst

Atos Private Ltd (Joined in Xerox Private Ltd the company which has been sold out to Atos from July 2015)

July 2013 to Present

Works as Unix Administrator for the client Marriott

Configuring and managing user& group accounts.

Managed users, groups, and ftp accounts, permissions and security for clients.

Experience on Logical Volume Management on Linux/AIX servers.

Configuring RAID, and Grub modification, Kernel Update.

Experience on configuring NFS, Crash Recovery, back up and restoration.

Assigning the LUNs from the storage and configuring the LVMs.

Troubleshooting Day-to-Day issues with various Servers on different platforms.

Remote system administration using tools like SSH.

Trouble shooting in OS level like File system repairing

Installation, Configuration and Maintenance of Xen,KVM Virtual Machines.

Creating volumes and managing file system using Logical Volume Manager (LVM)

File System capacity management and integrity checking.

Configuring crontab and scheduling the jobs.

Editing configuration and other files using editors like vi and vim.

Network configuration and virtual network interface setup on servers.

Worked on SAN LUN Migration project for 1000 AIX/Linux servers.

Worked on DR test.

24/7 on-call availability and mobility

Patching the servers every quarter.

Network configuration and virtual network interface setup on servers.

Providing sudo access to the users and configuring aliases

Resolving the tickets, working on change and problem management.

2. Engineer-Platform Support

Wipro InfoTech Ltd

July 2012 to June 2013

Installation, configuration and upgrade of Redhat Linux 5/6, AIX 6/7, SUSE 11 operating systems.

Configured and installed AIX, and Redhat Linux Servers using NIM, Kickstart.

Expertise in creating VM Templates, cloning and managing Snapshots

Remote monitoring and management of server hardware.

Installation and administration of NFS, NTP, Samba servers.

Package management using RPM, YUM and UP2DATE in Red Hat Linux

Installed and deployed the VMware ESX containers for the VM cloud and Vsphere.

Experience working in VMware ESX (VSphere) for virtualization and installed linux.

Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers.

Ability to write Shell scripting.

Worked on Grub, Kickstart, Packages, Yum, RPMs, LVM, Boot from SAN, file system configuration.

User, Group Administration and Advanced File Permissions.

Patch management of servers and maintaining server's environment in Development/QA/Staging/Production

Worked with various vendors for setting up the testing-lab.

3. Senior Specialist

HCL Comnet System & Services Ltd

April 2010 to June 2012

User management activity on Linux and AIX servers.

Software and patch installation done on Red hat linux using yum,up2date,rpm utilities & on AIX servers using NIM.

Administrating the virtual Linux servers.

Oracle ASM Disk - Installing, configuring and managing the ASM disk in AIX/Linux servers.

• Performing all LVM related activities like vg, lv, Filesystem creation on Linux/AIX servers.

Managing High Available Cluster nodes (HACMP) – Cluster Starting, Stopping, Moving resources from one node to another, Trouble shooting and checking up logs etc.,

Network File System – configuring NFS Server and Clients and NFS Administration

Performance monitoring using vmstat, iostat, sar, topas, netstat and nmon and analyzing these reports to figure out any performance issues.

Creating /removing paging space, checking paging space usage and increase/decrease if required.

Performance tuning.

Knowledge on VIO, LPAR and DLPAR.

Create partitions, partition profiles, and system profiles, Activate partitions, and Schedule operations for partitions, dynamic operations for adding, moving, and removing memory, processor resources, and I/O slots.

Collect system information using snap utility in AIX servers and work with IBM support team to fix any system issues.

Printer configuration and troubleshooting on Linux servers.

Worked on the activities related to OS level for the applications like OM,MQ,IDRS(Batch), stream servers etc.

Troubleshooting the OS level issues for Oracle RAC clusters.

Samba and FTP -- Installing, configuring and managing the services

Working closely with the DBA team, storage teams for fixing the ASM disk issues from OS level.

4. System Operation Lead Specialist

IBM India Ltd

August 2009 to March 2010

File systems management in Production Servers.

Up gradation of Patches, TL, SP levels.

Checking for error report on servers.

Worked on paging space issues.

Performing incremental backups when the backup is missed.

Performance monitoring for the servers was done using various tools and vmstat, iostat and topas

Handled HACMP related Incidents.

Managing LVM activities.

Covered 24/7 support.

5. Project Engineer

Wipro Technologies Private Ltd

June 2007 to July 2009

Perform daily monitoring checks like IMON, SAP, Defax, Health check based on the Client requirement.

Performed TWS job stop and start.

Performed Jnextday test for checking the job schedule for next day.

Will send daily and weekly report of the Incidents handled by us by extracting from the service Centre ticketing tool.

Handled LVM related tickets.

Co-ordinated bridge calls for the changes as a Level1 support team.

Worked on monitoring team tasks like escalating the tickets to the next level of support.

Education Qualification

BSc. Computer Science with 77% from Annamalai university(Distance)

Diploma in Computer Networking, PSG Polytechnic College with 95 %

X std PSGR Krishnammal Higher Secondary School Coimbatore with 94%

Personal Details

Address :A5 A block SPP Ranga Castle

Udayampalyam Pirivu,Sowripalyam,

Coimbatore-641028

Languages Known: Tamil, English

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