Mahendran Srinivasan

Experience

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  Magna Infotech - A Quess Company

  Oct 2010 - Aug 2011

  System Engineer

   Monitoring the alerts for Central Europe Countries’ Data Center Servers using Big Brother monitoring tool. Monitoring jobs using CA Autosys tool. Installing different flavors of windows servers(2003 and 2008). Scheduling backups and restoring backups as on required using Legato tool. Assigning rights and privileges to users to access files and folders. Creating and managing of users in AD. Installation and trouble shooting of DNS,DHCP. Managing and Unmanaging the servers from the NSM monitoring tool for avoiding false tickets to be created. Creating sites and site links in Active Directory. Knowledge on IIS 6.0, FTP and Clusters. Installation and troubleshooting of VMware ESX Server 3.5 VMware Installation and upgradation / VM client/VC Installation  Managing and administrating VMware infrastructure. ESX Server 3.5 Configuring local VMFS data store, Add extending VMFS. Installing, Managing and administrating Virtual center software components and VMware virtual infrastructure management (VIM) components. Control access to VMs in Virtual center by permission settings. Use templates to create VMs. converting VM in to template or vice-versa Migrating P2V, V2V by Using VMware converter enterprises. Configuration of resource pool in stand alone and DRS cluster. Planning and migrating VM using VMotion. Moving VMs from one LUN to another LUN using Storage VMotion. Creating and managing VM Ware cluster. Enabling HA and DRS features in a cluster Remote Server Administration through VNC, Remote Desktop Connection… etc. Troubleshooting the event logs on the servers. All the new Software’s / Hardware’s / Upgrades / Patches / Service Packs are tested on the test environment to ensure that the production is not affected. Show less

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  Tata Consultancy Services

  Sept 2011 - Nov 2013

  IT Analyst

   Installing and troubleshooting of different versions of windows servers 2003 and 2008 in different landscapes. Assigning rights and privileges to users to access files and folders. Installation and Configuration of ESX 4,x & ESXi 4.x & 5.x. Administration of ESX 4.x & ESXi 4.x & 5.x. Performing of P2V , V2V, Vmotion, Storage Vmotion and Enhanced Vmotion. Strong understanding of HA , DRS , clusters and datastore cluster. VMware tools installation on Windows and Linux VM’s Managing of resources on clustered environment. Extending the VMDK volume using vmkfstools. Control access to VMs in Virtual center by permission settings on VM Folders. Securing the client infrastructure by generating infected, out-of-date report using Sophos Antivirus Enterprise Console. Used customized templates to create VMs, converting VM in to template or vice-versa. Creation and troubleshooting of snapshots. Exporting the VM’s through VM Converter standalone tool. Planning and migrating VM using VMotion. Patching 6000+ servers on quaterly basis using BMC Blade Logic / Badger tool. Working proactively to reduce the alerts on Nagios monitoring tool. Hardware troubleshooting using Remote Board level. Remote Server Administration through VNC, Remote Desktop Connection, PC Anywhere… etc. Troubleshooting the issues based on the event logs found on the servers. All the new Software’s / Upgrades / Patches / Service Packs are tested on the test environment to ensure that the production is not affected. Coordination with the different hardware vendors. Working on Incident, Change Request and Service Request tickets based on ITIL process. Show less

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  ACS a Xerox Company

  Nov 2013 - Oct 2015

  Infrastructure Management Senior Analyst

   Managing Virtual servers and ESX hosts(ESX 4.0 & ESXi 5.1.0) Build of Windows Server 2008 R2 Hyper-V using Embedded ISO image from the HP Vendor. Worked on the issues with Storage connectivity to the ESX hosts Troubleshooting Utilization alerts (Memory,CPU and storage issues on Host level) Familiar with storage types 3PAR Deploying virtual machines from the template Installing VM tools and upgrading the VM hardware. Worked on P2V and V2V conversion using VMware convertor and Plate Spin tool for Hyper-V machine. Worked on HDD expansion on VMs, VMotion, storage VMotion, HA, DRS. Server crash investigation based on the dump for production and DR and Development servers Installing Microsoft patches using Blade Logic automation tool. Upgrading firmware and PSP on HP ProLiant DL380p Gen8 servers.  Installing Network printer queues and upgrading the printer drivers for 32bit and 64 bit. Analyzing the server performance by configuring the performance counters. Providing Share permissions and security permissions for folder shares. Networkers for file backup and restore operations. Configuring RAID and disk expansions on HP Servers. Worked on Active Directory for managing users and groups in the domain Provisioning and decommissioning the servers Working on Requests to fulfill client’s requests Working on profile and user issues on Citrix servers.  All the incidents, CR’s and SR’s are handled through BMC Remedy ticketing tool. Show less

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  HCLTech

  Oct 2015 - now

  VMware Administrator

   Installation, Configuration, Administration and Troubleshooting of vSphere 5.x, 6.x Virtual Center. Management of Converged and Hyper Converged Infrastructure Nutanix, Hitachi UCP and vBlock. Capacity Planning and Performance Tuning on virtual infrastructure using vROPS. Vulnerability Management on ESXi host, VMs by creating baselines and perform necessary patch update as a remediation on Quarterly basis as per vulnerability scanning reports fetched via Qualysguard. Configuring and updating Host profiles on the converged infra. Virtual Center Server management with DRS, HA & vMotion. Creating and managing vSS and vDS switches and port groups. Handled V2V and P2V migration project using VMware vCenter standalone converter tool. Creating affinity rules for MSCS & RAC cluster VMs and Assignment of RDM LUN’s to MSCS Cluster VMs for failover cluster configuration. Migration of virtual machines using vSphere replication manager. Deployment and configuration of a Nutanix system using foundation VM. Configuring Storage Pool, Container & Volume Group in Nutanix cluster. Alert & Event configuration and Monitoring in Prism central and OMI monitoring platform. Performing AOS and server firmware upgrade in Nutanix cluster. Working on the escalated incidents and PBI for the root cause analysis. Creating LUNs and assign to ESXi cluster using UCP advisor. Management of hardware issues and Vendor coordination from Vmware, Nutanix, Hitachi, Lenovo, VCE. Creating Work instructions / KB articles for newly identified issue and upload in the internal portal for future references. Representation of all Vmware related changes in the weekly Global CAB call. Preparation and management of all the reports relevant to Incident Management, Change Management and Word Order. SLA analysis on the breached and audit failed incidents in SNOW ticket management tool. Show less