
J.Saikiran
Aspiring Cybersecurity Professional
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Expérience professionnelle
Linux Systems & Network Administrator
Freelance • Indépendant
Jan 2024 - Present • 2 yrs 9 mos
Specialized in Linux server administration, web infrastructure management, and network troubleshooting for global clients. Key Responsibilities & Achievements: • Diagnosed and resolved Nginx & Apache web server issues, including 502 Bad Gateway and 504 Gateway Timeouts. • Expanded LVM (Logical Volume Manager) storage partitions and resolved critical "Low Disk Space" alerts without data loss. • Implemented Let's Encrypt SSL/TLS certificates and configured UFW/IPTables firewalls to secure system endpoints. • Managed server control panels including aaPanel, cPanel, and Webmin for automated site deployments. • Configured secure SSH key-based authentication, hardened access policies, and deployed WireGuard VPN networks.