Kumar Lakshmanan

Administered AWS infrastructure including compute, storage, networking, IAM, load balancing and monitoring, and supported enterprise routing and security configurations. Resolved hybrid connectivity issues across on-prem and AWS by troubleshooting VPN, DNS/DHCP, VLAN and firewall policies. Automated provisioning and administrative tasks with Terraform and scripts, and supported CI/CD workflows via GitHub. Provided L2 operations support with monitoring, incident handling, RCA, change implementation, and SLA-based troubleshooting across cloud and OS environments.

Provided helpdesk and desk-side support for Windows, Linux and network connectivity issues while resolving tickets within SLA. Troubleshot LAN/WAN, Wi-Fi and VPN/IP problems and escalated security concerns after reviewing firewall logs. Administered Active Directory access and Group Policy, supported Office 365 account and remote access needs, and monitored backups to verify successful completion. Installed and patched OS endpoints and performed incident escalation with updates to technical and non-technical stakeholders.

Performed functional, regression, smoke, sanity and UI testing across multiple application modules. Logged and managed defects in Jira with appropriate severity and priority, and coordinated with developers and business teams to validate fixes. Produced defect and test artifacts, including traceability reporting for stakeholder visibility.

Delivered L1/L2 infrastructure support across cloud and on-prem environments, focusing on connectivity and system readiness. Configured Outlook settings and managed user credential access while diagnosing issues using common network and system tools. Documented troubleshooting steps, resolutions and RCA for recurring incidents and supported Windows server troubleshooting for resource and service problems.