Chandramohan R

Experience

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  HCL Infosystems Ltd

  Jun 2005 - Oct 2009

  Customer Support Engineer

  • Hardware Installation of x86 Servers, Desktops• Maintain and support HP EVA storages and HP-UX servers in the region.• Installation of OS like RHEL, SCO Unix, Windows Server 2003/2008• Installation of and configuration of Oracle 9i in Standalone servers and configure the clients for various Banks • Providing onsite support that involves troubleshooting / reconfiguration of their server-client infrastructure for Banks and various government organizations• SPOC for Disaster recovery of servers within the Region Show less

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  Stride Software Pvt Ltd

  Nov 2009 - Apr 2010

  HP-UX Administrator

  • Administration of HP-UX systems• Configure High Availability clusters• Manage Filesystems using LVM• Patching and upgrades of HP-UX systems• Hosts migrations• Monitoring the HP-UX systems

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  Hewlett-Packard

  May 2010 - Dec 2012

  Field Technical support consultant

  • Installation of HP Integrity Superdome / Superdome 2 Servers and other Integrity servers, Blade servers.• Installation and configuration of HP-UX and carry out the Service Guard (HA) Configurations.• Installation and configuration of VMware ESXi• Troubleshooting of HP-UX, Service Guard, LVM.• Installation, Implementation and migration of data across storage arrays like HP XP12000, 24000 and P9500. • Carried out complex host migrations (HP Superdome to Superdome2 servers) to enable the client to have bulletproof solutions for their demanding workloads with High availability using Industry Leading Cluster solution “HP-UX Service Guard”.• Provided Residential support and Services and leaded multiple project implementations and several Technology refresh activities.• Installation and implementation of HP P9500 / XP 24000/12000, EVA 4K/6K/8K Storage Arrays, ESL & EML Tape Libraries.• Performance monitoring and Tuning.• Installation of HP-UX patches and conducting Firmware upgrades for whole infrastructures.• Create Shell based scripts to monitor the server / Storage health. Show less

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  Hitachi Data Systems

  Jan 2013 - Jun 2018

  Technical Consultant

  • Providing Technical Leadership for implementation projects, Technology refresh, System Upgrades and also leading and advocating to technical team. • Virtual SAP HANA on VMware stack• VMware implementations on the Hitachi Compute blades• Hitachi HCI solution deployments based on vSphere• Preparation of Low-Level Design Documents, Post implementation, UAT and customized user guide Documents.• Installation and implementation of various Hitachi products like VSP G1000 / VSP Gx00 / Hitachi NAS / UCP - SAP HANA / Compute Blades - CB500 & CB2500 / Hitachi Content Platform• Planning and implementations of zero RPO / RTO solutions with GAD on VSP G1000 / Gx00 and Sync DR with NAS products• Installation and configuration of Object storage platform (HCP) • Planning and carrying out Storage migration from Third Party storages • Manage the Brocade SAN directors / SAN switches and FCIP routers• Mentoring Onsite Technical Support Team for break fix and troubleshooting.• Closely working with Solution Architect Team in designing the SAN, DR and other solutions and implement without compromising the Best Practices.• Delivering the Professional Services in accordance with the Scope/Statement of Work.• Conduct POC’s for the proposed solution and enable the customers to understand the solution.• Work with Global Support Center (GSC) for critical issues and carryout the plan of actions for any identified issues with RCA.• Proactively monitors the technical bulletins and advising the customer for any mandatory changes, microcode upgrades and patch installations. Show less

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  Cognizant

  Jul 2018 - Sept 2018

  Senior Infra Architect

  • Participate various technical discussions for solution building• Prepare LLD & HLDs for given solutions• Implement various SAN solutions with versatile product lines including but not limited to Hitachi, EMC, Etc.. • Deploy Various SAN solutions that includes High Availability compute solutions• Configure replication solutions for DR• Build SOP and DR documents• Conduct various acceptance test procedures • Plan and migrate Storage migrations

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  Hexamatics Singapore Pte Ltd

  Oct 2018 - Dec 2019

  Senior Consultant - Enterprise Storage / Compute

  • Storage array integrations with VMware Infrastructure• Deployments of Hitachi Enterprise storage systems – VSP Gx00 / VSP Gxx0 / VSP G1000• Configure various replication technologies for disaster recovery such as Global Active Device, Universal replicator, 3DC – Advanced Replication solutions, Shadow Image / Thin Image • Install and configure the Performance monitoring using HTnM and configure alerting systems for Hitachi Storage arrays.• Deploy and configure the Brocade SAN switches with Virtual Fabrics ISLs & Trunks.• Investigate potential performance issues• Work closely with architect teams for new implementation solutions• Conduct Proof of Concepts for various IT infrastructure solutions• Storage migrations• Mentoring the peers for efficient team performance. • Storage array microcode upgrades• Maintain custom scripts for storage / SAN switch health monitoring and dashboard reports Show less

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  Hewlett Packard Enterprise

  Dec 2019 - Feb 2022

  Technical Consultant

  Providing tier-less support to the end customers on HPE storage arrays • VMware ESXi, Windows and Linux integrations with HPE Nimble arrays over iSCSI and FC protocols• Debug VMware support bundle for storage related investigations• Providing performance insights of the customer’s VMware stack using HPE’s AI based analytics engine (HPE Infosight)• Deployment of HPE Nimble arrays and dHCI (Dis-aggregated Hyper Converged Infrastructure)• Investigate the performance issues• Capacity planning, resource monitoring and recommendations for the storage arrays• Assist the customer in tuning their storage arrays and host parameters in accordance with the best practices and Artificial Intelligence based recommendations• Configure and troubleshoot the data replications.• Contribute to the technical knowledge space of the team• Troubleshoot and resolve the issues of iSCSI and FC connections.• Assist the customer in setting up their network configurations for iSCSI connections and data replication.• Thorough investigations of the various storage related issues by scanning through the storage array logs and host logs• Work with development teams for reporting any new bugs, provide the workarounds to the customers and contribute to the Product improvements.• Firmware updates, patching and other LCM process. Show less

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  VMware

  Feb 2022 - now

  Staff Technical Support Engineer

  At VMware, I am a key member of the Global Support Services team, specializing in VMware Cloud Foundation (VCF) and vSphere products. My role involves providing expert remote support and handling high-priority escalations for our premier customers. I am responsible for live troubleshooting and resolving complex issues related to ESXi, vCenter, and other VMware technologies.• Designated to handle escalations and support issues for VMware’s premier customers, providing expert remote support for VMware Cloud Foundation (VCF) and vSphere products.• Handle performance and scalability issues within large-scale VCF deployments, ensuring smooth operation of VMware clusters, vCenter, and ESXi hosts, with a focus on cloud-like resource provisioning and dynamic scaling. Troubleshooting includes performance bottlenecks, latency issues, and capacity planning, aligning with cloud infrastructure management.• Provide live troubleshooting for ESXi and vCenter issues, addressing complex system down scenarios such as host hangs, PSODs, VM crashes, vMotion failures, HA, and DRS.• Hands on with curl and REST APIs as a part of VCF troubleshooting• Conduct in-depth root cause analysis for any escalated issues and provide the necessary solutions to resolve the issues and further provide proactive guidance. • Closely with engineering teams to file and resolve bugs, contributing to product improvements and updates. • Collaborate with peers and various teams for break-fix solutions, and work with third-party vendors for joint investigations.• Create and update Knowledge Base articles to share insights and solutions, and support peers with technical escalations, ensuring that our team and customers benefit from a robust knowledge repository.• Assist peers with technical escalations and provide support in high-pressure situations, enhancing overall team effectiveness. Show less