Amarnath Hebbar

• Managed enterprise-scale VMware vSphere environments across 6+ datacentres, supporting 80+ ESXi hosts and 2500+ production VMs.
• Performed end-to-end vCenter operations including cluster configuration, HA/DRS, host profiles, resource pools, patching, firmware upgrades, and lifecycle management.
• Managed AWS EC2, EBS, S3, VPC, IAM, Security Groups, CloudWatch, and AWS Backup for hybrid cloud workloads.
• Performed VMware to AWS migrations using AWS MGN & VM Import/Export as part of datacentre modernization initiatives.
• Implemented secure access control, monitoring, backup, and recovery for production cloud environments.
• Led hardware refresh and datacentre modernization, building new vCenters and executing cross-vCenter migrations of ~500 VMs, ensuring minimal downtime.
• Designed and implemented disaster recovery strategies using geographically distributed VMware workloads, balancing cost efficiency and redundancy.
• Administered Linux and Windows servers, handling OS upgrades, monthly patching, troubleshooting system-level issues, and production support.
• Managed Cisco UCS infrastructure, including service profiles, ESXi host provisioning, Firmware upgrades, hardware troubleshooting and vendor coordination.
• Streamlined operations through automation using PowerShell / PowerCLI for VM tagging, snapshot cleanup, compliance checks, reporting, and UCS health monitoring.
• Authored KB articles, SOPs, and architecture documentation, improving team onboarding and operational consistency.
• Collaborated closely with network, storage, database, VMware, and hardware teams to resolve complex multi-layer production issues.

AS A MYSQL DBA.

• Sole administrator for 20–25 MySQL database servers supporting production workloads.
• Designed and managed Galera clusters and primary-secondary replication across datacenters as part of DR strategy.
• Implemented Percona XtraBackup with scheduled full and incremental backups; conducted regular DB restore drills.
• Managed MySQL databases for on-prem Jira applications, collaborating with application teams during upgrades, migrations, and critical incidents, and delivering complex SQL-based reports to meet client requirements.