Ramkumar A

• Presently associated with TCS, designated as enterprise architect for the entire Infrastructure area.
• Working for Sweden's largest retailer project, H&M, in Stockholm, and managing more than 1,500 on-premises and 1,500 cloud servers.
• Worked on the production environment and bridge calls with users to troubleshoot and resolve issues.
• Work on design, networking architecture in cloud, policy management, and log analytics.
• Troubleshooting critical issues and engineering activities in multi-cloud (Azure and GCP).
• I have experience in PowerShell, Ansible scripting, and Terraform, developing scripts for automatic patch deployment schedule creations, automatic VMware cluster patching, and SPP installation.
• I have a good experience in Azure Fabrics pipelines, log ingestion, Azure Cloud analytics, Cloud FinOps cost code, chargeback, and showback analysis.
• I have extensive knowledge of Azure App Gateway, Load Balancer, Function App, and Web App deployment.
• Ensured high availability of critical applications through implementation of robust disaster recovery plans.
• Displayed sound understanding of standard networking protocols, virtual networks, firewalls, VPN, ExpressRoute connectivity, and SD-WAN setup.
• Have good knowledge of VMware vSphere 8.0, Linux operating systems, batch scripts, and shell scripts.
• Have extensive knowledge of storage and backup, database, server communication and architecture connectivity, firewalls, and able to relate to and troubleshoot infrastructure-level issues.
• Designed and implemented cloud architecture solutions to optimize deployment processes.
• Led cross-functional teams in migrating legacy systems to cloud platforms, enhancing operational efficiency.
• Developed best practices for cloud security and compliance, ensuring organizational adherence to standards.
• Collaborated with stakeholders to define project requirements and deliver scalable cloud solutions.
• Enabled seamless migration to the cloud by planning and executing successful data transfer strategies.
• Worked on Azure migration from on-premises to cloud solutions using Cloud Migrate to analyze, and also used TCS cloud counsel to make decisions based on R path recommendations.
• Have extensive knowledge of VMware solutions, such as VMware cluster, license management, patch updates, version upgrades, vSphere replication, troubleshooting issues, and concepts such as DRS, HA, and Snapshots.
• I have worked on the migration of workload from the Oracle Private Cloud Appliance from PCA X6 to X9, along with design and network configuration.
• I have set up the Stormagic solution for the edge locations to use the local storage for vSAN configurations.
• I have also set up the Whitebox solution for the retail stores, and some of the warehouses.

• Work on project-related migrations and on organization bridge calls.
• Managing more than 2,000 servers under 5 different BUs (TRG, NRT, Corp, RFG, Infrastructure).
• Worked on bridge calls with teams on severity (P1) tickets to troubleshoot and fix the issues.
• Push applications like MS Office, Adobe, force reboot batch packages, and WinRAR packages to servers.
• Monitoring SCOM alerts for performance issues, server issues, and troubleshooting.
• Build the primary SCCM site for the Realogy enterprise servers.
• Create software update groups for each month with patch criteria, and bundle them.
• Used to patch servers using SCCM, Batch patch, WSUS, and VCM.
• Perform the IBM hardware BIOS and firmware update on all the servers.
• Troubleshooting server issues during patching, rolling back patches, and reinstalling patches.
• Monitor the deployments for compliance, troubleshoot patch-related issues, and rerun the deployments.
• Troubleshoot client servers for communication issues from SCCM, such as SMS agent restart, refresh, or pushing Configuration Manager action, and reinstall the SCCM client agent on servers.

• Managing more than 10,000 servers under the Wholesale LOB, of different flavors of Windows.
• Troubleshooting hardware issues by engaging HP vendors.
• Worked on production bridge calls with teams on high-severity tickets to troubleshoot and fix them issues
• Patching via SCCM, and deployment management.
• Analyze logs and work with MS to troubleshoot SCCM patch or application failure issues.
• Worked on the C drive expansion project on servers with low disk space (VM and physical servers).
• Create software update group packaging, and patch MS updates via SCCM.
• Work with the SAN team on adding additional paths if the SAN disks have high IOPS, to reduce the performance issues on LUNs.
• Worked on clustering issues and resource management.
• Perform pre- and post-patching activities on servers.
• Troubleshooting server issues during patching, rolling back patches, and reinstalling patches.
• Performed remediation on DRAC and ILO through commands, hardware replacement, for more than 200 servers, and fixed the console issues.
• Perform production readiness to bring the servers to a working environment.

• Managing about three different Citrix farms (20, 15, and 40) and publishing applications for clients.
• Monitor the patching compliance, run the compliance report, and share it with the clients.
• Windows Server 2003, 2008 cluster management.
• Managing Dell Servers on Windows 2008, 2003, and 2000.
• Hardware monitoring through DITA and DOMSA.
• Reviewing the Standard Operating Procedure created for urgent changes.
• Adding new nodes into the SolarWinds monitoring tool and configuring system alerts and errors via mail.
• Generating server support operation metrics from solar winds, sending them to clients on a weekly basis.
• Handling multiple changes (quality center tool) for clients globally.
• Troubleshooting and coordinating with vendors (DELL and HP) for all hardware-related issues.
• Troubleshooting OS-related issues on Windows 2008, 2003, and 2000.
• Change request to change management: implement patches, firmware updates, and changes on the server.
• Managing McAfee Virus Scan Engine and Agent Installation.
• Planning and deploying hot fixes through WSUS.
• Trained the team on the MSDART tool and its usage.

Same roles and responsibilities as in Mphasis after onboarding to direct payroll