Tamilselvan S
Junior System Administrator & Cybersecurity Enthusiast
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About
B.Tech Information Technology graduate interested in cybersecurity and ethical hacking. Experienced with tools like Nmap, Metasploit, Burp Suite, and Wireshark, with basic Python programming skills. Worked at Lumina Datamatics on OCR processing and XML coding projects, improving technical precision and data-handling ability. Recently served as a Junior System Administrator managing 30+ systems, IT support, hardware assembly, and network troubleshooting.
Experience
Junior System Administrator at Radnus Communication (2025-11 – 2026-05)
- Managed and supported 30+ standalone systems without centralized server infrastructure
- Installed and configured operating systems, drivers, and required software for end users
- Assembled and built desktop systems including hardware setup and troubleshooting
- Provided IT support for system issues, software errors, and user-related problems
- Performed regular system maintenance, updates, and performance monitoring
- Handled basic networking tasks such as IP configuration, LAN connectivity, and troubleshooting
- Diagnosed and resolved hardware issues (RAM, HDD/SSD, motherboard, etc.)
- Supported remote troubleshooting using tools (AnyDesk / UltraViewer)
OCR & XML Coding Intern at Lumina Datamatics (2025-07 – 2025-07)
- Joined the OCR processing team converting scanned and print documents into editable digital text using OCR tools
- Promoted after one month to the XML coding team for consistent performance and technical accuracy
- Worked with internal tools to ensure correct tagging metadata accuracy and content consistency
- Collaborated with project teams to achieve daily and weekly targets within deadlines
Education
B.Tech in Information Technology – Adhiparasakthi Engineering College (2021 – 2025)
12th – Vigneshwara Higher Secondary School (2020 – 2021)
10th – Vigneshwara Higher Secondary School (2018 – 2019)
