Guna Sekar

About

Desktop Support Engineer with 2.5+ years of experience in IT infrastructure support, Windows administration, network troubleshooting, Active Directory, and end-user support. Experienced in desktop and server support, network connectivity, virtualization, CCTV systems, and IT documentation.

Experience

• Desktop Support Engineer
  BNR Infrastructure Projects Pvt. Ltd.
  Aug 2025 – Present

  Provide L1/L2 support for desktops, laptops, printers, scanners and network-connected devices. Install and maintain Windows 10/11, Office 365, HCL Notes and business applications. Manage Active Directory users, password resets, permissions, group memberships and domain access. Troubleshoot LAN/WAN, TCP/IP, DHCP, DNS, VPN, Wi-Fi and IP connectivity issues. Support switches, routers, wireless access points, network printers and internet connectivity. Perform basic VLAN configuration and network connectivity support. Provide basic Sophos Firewall support for connectivity troubleshooting. Support Windows Server, domain infrastructure and Proxmox VE virtual machines. Support Hikvision IP CCTV, camera IP configuration, NVR troubleshooting and recording backup requirements. Perform infrastructure health checks, workstation deployment, IT asset management and documentation. Coordinate with vendors/ISPs and support employee onboarding, applications, email and network access.

• Role
  Inspirisis IT Solutions
  Jan 2024 – Jun 2025

  Delivered onsite and remote IT support for enterprise users. Installed and configured Windows, applications, drivers, printers and peripheral devices. Troubleshot hardware, software, LAN, VPN, DHCP, DNS and IP-related issues. Managed Active Directory user administration and Microsoft Office support. Performed preventive maintenance, incident resolution and IT documentation within SLA. Configured and supported desktop systems, network printers and other IT peripherals. Assisted users with system access, application issues, email and connectivity-related problems. Performed software installation, driver updates and workstation configuration based on user requirements. Supported basic network connectivity troubleshooting and coordinated unresolved issues with the concerned teams.

Education

• Bachelor of Science
  KCSKNC College, Chennai
  Computer Science · 2022
• Master of Computer Applications
  University of Madras
  Computer Applications

Skills

Tools / apps / platforms

Projects

• Web Hosting & Domain Management
  DNS, web hosting

  Supported website hosting, domain configuration and basic DNS-related activities.

• Material & Safety Systems
  Web technologies

  Developed web portals for material tracking, daily reporting and safety monitoring.

• IT Helpdesk Portal
  Web technologies

  Developed an internal web-based helpdesk application for ticket management and issue tracking.

Courses & certifications

• Software Testing (Manual & Automation) · QSpiders