* Install, configure, maintain, and troubleshoot IT infrastructure, laptops, desktops, servers, and UPS.* Support printers, scanners, and other peripherals.* Resolve hardware, software, OS, application, LAN, Wi-Fi, and connectivity issues.* Provide remote and on-site support to customers and field engineers.* Troubleshoot hardware failures and perform preventive maintenance.* Manage service tickets, assets, and technical documentation.* Coordinate escalations, repairs, replacements, and technical resolutions.* Ensure SLA compliance, system security, and customer satisfaction.