S. PRASANTH
Infrastructure Services Mgr
Chennai
Summary
Infrastructure Services Mgr ( Till July 17, 2023)
Senior Principal Infrastructure Engineer ( Till Sep 2016 )
Overview
17
17
years of professional experience
3
3
Languages
Work History
Infrastructure Services Mgr
MphasiS Ltd.
02.2009 - 07.2023
- Company Overview: Ahold in the United States is one of the retail operating companies and foodservice provider, located throughout the world
- Ahold headquarters are located in Greenville South Carolina
- Additional development centers and retail support areas are located in Braintree MA and Carlisle PA
- It has approximately 1,400 stores located up and down the eastern seaboard
- Worldwide organization of about 40 to $50 billion annually in sales
- Offshore team provides and manage the complexity of Unix IT infrastructure with integrated and automated processes, ensure compliance to the business and customer needs
- 24 X 7 remote support to more than 900 AIX Servers located in different places of stores across up and down the eastern seaboard of North America, also provide data centre support
- Ahold Data Centre is located in Greenville
- It has corporate servers (600+ AIX and 150+ Linux systems)
- System Administration using system management tools (smitty) as well as commands and script level across chain
- LPAR operations including: scheduling operations, troubleshooting activation errors, configuring and using system profiles, and activating and shutting down partitions, Power on/off partitions
- Building the VIO servers and LPAR’s
- Migrating VIO servers from VIO1.5 to VIO2.x
- Storage migration from IBM storage to HP storage and 3par storage
- 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
- HMC management and upgrade
- Hardware trouble shoot and working with IBM technical support team
- Installation and Configuration of AIX Operating System using installation media or through NIM Server
- Configuration of the NIM server and NIM clients
- Up gradation of TL level and Service packs in AIX5.3 servers using multibos method
- Up gradation of TL level and Service packs in AIX 6.1 servers multibos method
- Dynamically add, remove and move resources in the LPARs
- Fixing the operating system issue within the customer agreements
- Up gradation of AIX 5.3 version to AIX 6.1 server Operating system using alt disk methods
- Up gradation of AIX 6.1 version to AIX 7.1 server Operating system using alt disk methods
- Adding the disks to the VIO server and VIO clients as per the application and database requirements
- Good technical knowledge in Logical volume manager(LVM)
- Creating mirrorvgs and trouble shooting
- Making plan for migration activities p5 to p6 and p5 to p7, like lpar migration
- Grow or shrink file system as per the requirement
- OS migration or TL installation on critical production server using alternate disk installation and multibos methods
- Install and configure the VIO Server product, Configure VIO Server partition, VIO command line interface, Configure a partition to use Shared Ethernet Adapter (SEA)
- Moving LPAR from one frame to other (Disk Swing) in the virtualized environment
- Data Migration from IBM SVC storage to HP XP storage through mirroring and PV migration
- Implementation of the 6.1 HACMP Cluster (Active-Passive node)
- Trouble shooting performance issue, Define & Managing Paging Space
- Installation and Upgradation of Software’s (e.g.Java,Tivoli Endpoint, Autosecure user authentication softwares,etc.,)
- Installation of Red Hat Linux (VM Ware, Blade), Redhat patching and administration
- Building Redhat Linux machines (VMware, Blade) through STORIX backup Redhat image
- Scheduling system and data backup/restore for linux clients in STORIX
- Shell scripting for the day to day activities to minimize the implementation and execution time and down time across chain
- Problem determination and resolution of Tickets within agreed SLA by using BMS Remedy Enterprise Support Console
- Working in ITIL environment
- Working with BMS Remedy Enterprise Support Console software for managing Incident, Request & Change Management process
- Ahold in the United States is one of the retail operating companies and foodservice provider, located throughout the world
- Ahold headquarters are located in Greenville South Carolina
- Additional development centers and retail support areas are located in Braintree MA and Carlisle PA
- It has approximately 1,400 stores located up and down the eastern seaboard
- Worldwide organization of about 40 to $50 billion annually in sales
Senior Systems Engineer
Wipro Technologies Ltd.
07.2007 - 01.2009
- Company Overview: Nestle environment has more than 1500 AIX servers, ESS Storage, IBM Tape Libraries at Main Data Center & Disaster Recovery Site located in different zones
- 24 X 7 remote support to more than 1800 AIX Servers in Nestle Globe Data Centers in Europe & America & Australia
- System Administration using system management tools (smitty) as well as commands
- Installation, Migration, Updation & Troubleshooting
- HACMP Cluster Administration & Troubleshooting in HACMP 5.2 & 5.3
- Creating LPAR and perform DLPAR operations for CPU, Memory & IO
- Moving a Standalone system to LPAR environment
- Decommissioning the Server by fulfilling the required process
- Deleting the Partition Profile after disconnecting the server from the network
- Storage Management (Creating Physical & Logical Volumes, Volume Groups, File Systems and maintaining them)
- Define & Managing Paging Space
- User Administration
- Performance Monitoring (vmstat, iostat, ps, topas, svmon)
- TCP/IP (Network Interface, Routing, NFS)
- Backup and Restoration
- Installation and Up gradation of Software’s (e.g.Java,Tivoli Endpoint etc.,)
- Problem determination and resolution of Tickets within agreed SLA by using Service Center (Peregrine)
- Working in ITIL environment
- Working with service center software for managing Incident, Request & Change Management process
- Nestle environment has more than 1500 AIX servers, ESS Storage, IBM Tape Libraries at Main Data Center & Disaster Recovery Site located in different zones
Systems Operations Lead Specialist
IBM India Private Limited
05.2006 - 07.2007
- Company Overview: Delivering support for the Unix environment consists of mostly AIX and some Linux with TSM and sysback as a backup, HACMP as a clustering solution and Oracle for Database, etc
- Worked effectively to manage and deliver to customer requirements within SLA’s
- Responsible for the day to day LVM, HACMP, LPAR, activities in the project
- Delivering support for the Unix environment consists of mostly AIX and some Linux with TSM and sysback as a backup, HACMP as a clustering solution and Oracle for Database, etc
Education
B.Sc -
Computer Science
Skills
- AIX
- HACMP
- LPAR
Personal Information
- Date of Birth: 06/15/76
- Nationality: Indian
Training
- HACMP Training, IBM India Private Limited
- LPAR Virtual Training, IBM India Private Limited
Profile
Infrastructure Services Manager, Senior Principal Infrastructure Engineer, 09/30/16
Timeline
Infrastructure Services Mgr
MphasiS Ltd.
02.2009 - 07.2023
Senior Systems Engineer
Wipro Technologies Ltd.
07.2007 - 01.2009
Systems Operations Lead Specialist
IBM India Private Limited
05.2006 - 07.2007
B.Sc -
Computer Science