Summary
Overview
Work History
Education
Skills
Languages
Roles And Responsibilities
Personal Qualifications
Cloud Platform
Project Description
Geographical Experience
Personal Information
Timeline
Generic

ANNAMALAI KESAVAN

Chennai,TN

Summary

Around 15 years of experience in the field of Information Technology. 13 YEARS of hands-on experience in AIX and Linux system administration (UNIX). Hands on experience in Banking Industry (American Express, CITI Bank). Extensive exposure to Operating System Unix flavor like IBM AIX 5.3, 6.1, 7.1,2,3) HACMP 5.5, 6.1 & 7.1, and 7.2 NIM, VIO and HMC And Linux operating systems Red hat Linux 5,6,7.8, HP- UX. IBM Certified POWER System Administration (P5.P6, P7, P8, P9 and P10 series).

Overview

19
19
years of professional experience

Work History

IBM Cloud IAAS Engineer

Tech Mahindra LTD
2022.03 - Current
  • Providing IBM SRE support on IBM Cloud colocation more than 15 datacenter.
  • Troubleshooting of datacenter Hardware issues like storage connectivity and network issues
  • Handling performance issues on AIX servers
  • Handling IBM cloud customer cases, Troubleshooting and resolving their issues, when they are facing issues on the deployments and providing technical support
  • Migrating VM’s, resizing the resources like CPU, memory
  • Volume creation, addition and removing
  • Importing OS images from the COS buckets and Exporting OS images to storage controllers
  • HMC upgrade, P-series system firmware upgrades, FC adapter Microcode upgrades, VIOS upgrade
  • Managing host groups, creation of utilization report and presenting to management
  • Incidents, problem and change management
  • Applying new tumbles recommended by development team on the production environment via ansible POWERVC migration and administration and involved Logs analyze on colo’s

Infra. Technology Specialist – AIX ADMIN

Cognizant Technology Solutions
2020.03 - 2022.03
  • Providing L3 operations support to customers as a primary System Administrator role in AIX operating environment
  • Project involves remote administration of AIX 5.3, 6.1, 7.1 7.2,7.3 and administering VIO, HACMP, LPAR, NIM & HMC, RHEL 6,7,8 and IBM Cloud, AWS and VSP.
  • Creating and modifying LPAR profiles and performing Dynamic LPAR and Live Partition Mobility operations
  • Coordinating scheduled outages for hardware and/or software maintenance and actively driving completion of upgrade efforts
  • Troubleshooting system performance, networking, and storage issues in a virtualized AIX environment
  • Participating in rotating on-call schedule with global team (including some evening & weekend work)
  • Experience with virtualized IBM Power Systems using PowerVM, Virtual I/O Server (VIOS), and Hardware Management Console (HMC)
  • Excellent people-management skills

Lead Administrator - AIX ADMIN

WIPRO TECHNOLOGIES LTD
2019.05 - 2020.03
  • Working experience with AIX systems, VIOS, HMC, virtualization, PowerHA/HACMP, SAN-attached storage
  • General knowledge and understanding of the TCP/IP protocol and networking
  • Knowledge on security policies for Unix servers
  • Working knowledge on AIX NIM (Network Installation Manager)
  • AIX - Performance monitoring, analysis & tuning
  • AIX - H/ W troubleshooting & Vendor coordination
  • AIX Volume Manager
  • Hardware/ DC Migrations
  • AIX Backup/ Restore
  • AIX Best Practices POC and Implementation
  • AIX Security Hardening
  • Virtualtization Lpar Creation, VIO Server administration, VIO server Installtion/ pgrades
  • HACMP Installation, Configuration and troubleshooting
  • HACMP Cluster Migrations
  • Strong Knowledge in shell scripting
  • Understanding of ITIL processes and tools (Incident / Problem/ Change)
  • Advanced knowledge of AIX and AIX virtualization, to include VIO server creation and configuration, network
  • Resiliency configuration and testing, as well as storage configuration to support SAN based VSCSI and NPIV storage options
  • Candidate must have good project delivery skills and be detail oriented and driven to meet delivery objectives, weekend work is sometimes required
  • The candidate will need to effectively interface with various Technology towers like Engineering, Networking and Storage
  • The Ideal candidate will have detailed knowledge of IBM Power 7 servers, Power 8 is a plus
  • The ideal candidate will have knowledge of LPM ( Live Partition Mobility) and inter functionality with SAN storage

Technical Services Specialist – AIX ADMIN

IBM India Pvt Ltd
2016.05 - 2019.05

Installed, configured, upgraded and administrated pSeries and power5/power6 servers on various levels of AIX operating system utilizing the environment.
Performed AIX installation using NIM server and Storix back utility.
Upgraded of AIX TL and SP to the latest level using NFS mount and alt_disk Upgrade of managed machine and device's firmware/microcode.
Supported and managed servers (P5/P6) using HMC version 6 and 7.
Assisted in the d
Design of the test lab, developing test plans, assisting with the technology side of OS remediation planning.

Technical Specialist - AIX ADMIN

Saudi Telecom company Saudi Arabia.
2010.12 - 2015.11

Associate Engineer

Aarvi Encon Pvt Ltd
2009.08 - 2010.03

Sr. Lead Officer

Bharti Airtel Services LTD
2006.07 - 2009.06

Officer Technical

Meru Consultants & Technologies Pvt LTD
2005.07 - 2006.06

Education

DIPLOMA - Electrical, Electronics And Communications Engineering

DR MGR POLYTECHNIC COLLEGE
ARNI
03.2004

Skills

  • LPAR Management
  • VIO Server & Client Configuration
  • Mapping devises to VIO clients
  • Resource Management by DLPAR
  • NIM Resource's Configuration
  • NIM Migration
  • NIM Master & Client Management
  • Cluster Nodes Configuration
  • POWER HA RG Management
  • File system management on HACMP
  • NFS Management
  • LVM Management
  • File System Management
  • LUN Mapping
  • Device Mapping
  • TL & SP Update
  • Configuring Paging Management
  • Configuring Dump Devices
  • TSA Cluster Failover
  • PDOA Fix Pack Upgrade
  • P2V migration
  • JVM recycle in Linux servers
  • Doing Patching activity on Linux servers
  • Resolve Hardware and Software issue through PMR support
  • LPM activity performed based customer request (power 8 ,9,10)
  • Familiar and clear understanding following ITIL process on critical environment
  • Exposure on planning and upgrade cross platform migration
  • Good understanding of Database like DB2, SQL, MQ
  • Exposure on Payment services application -informatica in banking environment
  • Basic knowledge on storage IBM, PURE, EMC, HITACHI
  • Exposure to security standards like PCI-DSS and CIS base line
  • Storage exposure on Net app ,pure, EMC, IBM Storage, Cisco MDS SAN Fabric
  • Exposure on NPIV SAN Fabric switches and SFTP
  • Perform server Hardening and patch servers based on document policies
  • IBM Cloud - SRE responsibilities
  • Handling cloud customer cases, Troubleshooting and resolving their issues, when customer facing issues on deployments and providing technical support
  • Migrating VM’s, resizing the resources like CPU, memory
  • Volume creation, addition and removing
  • Importing OS images from the COS buckets and Exporting OS images to storage controllers
  • HMC upgrade, P-series system firmware upgrades, FC adapter Microcode upgrades, VIOS upgrade
  • Managing host groups, creation of utilization report and presenting to management
  • Incidents, problem and change management
  • Applying new tumbles recommended by development team on the production environment via ansible
  • POWERVC migration and administration and involved Logs analyze on colo’s

Languages

English,Arabic,Tamil

Roles And Responsibilities

  • Core System Administration of AIX 5.3, 6.1 & 7.1.7.2 and Linux 6,7,8
  • Day to day server management which includes Disk Management, LVM Management, User Management, software installations, Backup and restorations
  • Servers monitoring and their performance tuning
  • Managing Swap space
  • Trouble shooting boot related issue and recovering the server into operational stage
  • APAR, ML installation and management
  • Network maintenance, System backup and restore, System related problem determination and resolution
  • Managing backup of the system and restoring data in the event of disk failure
  • Implemented and maintained NFS
  • Security Health-checkup and audit checks as per IBM standard policies
  • Taking care of compliance activities for AIX and Linux servers
  • HACMP
  • HACMP 6.1 and 7.1 Resource Group Planning, Configuration and administration
  • Implementation of HACMP Failover Test/configuration
  • Replacing the failed disks from the cluster nodes, Adding the new disks to resource group and file system management
  • Taking Snapshot of cluster configuration and restoring the cluster from snapshot
  • LPAR (Logical Partitioning)
  • HMC Management
  • Creating LPAR and Performing DLPAR operations in power5, power6 and power7, power 8 and power 9, power10 frames
  • Managing LPARS using HMC command line
  • Creating VIO Server/Client LPARS
  • Firmware upgrade on sysplannar
  • P2V Migration on legacy to P8,P9 Power servers
  • Shared Ethernet adapter configuration and troubleshooting (SEA)
  • NIM
  • Configuring NIM Master and clients, Configuring NIM network, adding client machines to NIM master, Building NIM resources
  • Performing BOS installations using NIM Resources, Doing OS Migration by using NIMADM, recovering servers using mksysb NIM resources, recover root password using NIM resources
  • Creating new bundle like LPP-source and spot based on new OS release
  • Creating spot using mksysb backup for server restore
  • VIO (Virtual IO Server)
  • VIO configuration and administration
  • Creating the VIO Client Partitions, Mapping the Virtual Disks & Virtual Ethernet -VSP
  • Configure the Virtual SCSI adapters and disks for client utilization
  • Assigning LUN’s from VIOS to client LPAR’s
  • Storage Migration activity (IBM, EMC, PURE)
  • P2V Migration legacy model to High end server (physical to virtual)
  • VIOS upgrade -3.1
  • Linux
  • Security patches update based on the new release using local repository and satellite servers
  • Configuring and administration of RHEL 6,7,8 servers and HP-UX
  • NFS configuring and troubleshooting of RHEL servers
  • Fixing H/W and software issues on RHEL servers
  • LVM management and VMware
  • Backup and restoration of RHEL servers
  • Fixing booting issues after security patches update

Personal Qualifications

Diploma in Electronics and Communication Engineering-2004

Cloud Platform

  • AWS
  • AZURE -104
  • IBM Cloud

Project Description

Providing L3 operations support to customers as a primary System Administrator role in AIX operating environment. Project involves remote administration of AIX 5.3, 6.1, 7.1 7.2,7.3 and administering VIO, HACMP, LPAR, NIM & HMC, RHEL 6,7,8 and IBM Cloud, AWS and VSP.

Geographical Experience

Saudi Arabia

Personal Information

  • Passport Number: T4304631
  • Father's Name: Kesavan
  • Mother's Name: Kasthuri K
  • Gender: Male
  • Marital Status: Married

Timeline

IBM Cloud IAAS Engineer

Tech Mahindra LTD
2022.03 - Current

Infra. Technology Specialist – AIX ADMIN

Cognizant Technology Solutions
2020.03 - 2022.03

Lead Administrator - AIX ADMIN

WIPRO TECHNOLOGIES LTD
2019.05 - 2020.03

Technical Services Specialist – AIX ADMIN

IBM India Pvt Ltd
2016.05 - 2019.05

Technical Specialist - AIX ADMIN

Saudi Telecom company Saudi Arabia.
2010.12 - 2015.11

Associate Engineer

Aarvi Encon Pvt Ltd
2009.08 - 2010.03

Sr. Lead Officer

Bharti Airtel Services LTD
2006.07 - 2009.06

Officer Technical

Meru Consultants & Technologies Pvt LTD
2005.07 - 2006.06

DIPLOMA - Electrical, Electronics And Communications Engineering

DR MGR POLYTECHNIC COLLEGE
ANNAMALAI KESAVAN