Linuxguard

Level 3 Linux System Administrator & Cloud Architect

OVHcloud • Freiberufler

Mar 2014 - Present • 12 yrs 6 mos

Led comprehensive, fully-managed server administration services for global clients, specializing in cloud environments (OVH, Vultr). Responsible for the deployment, configuration, and continuous optimization of high-traffic Linux servers. Key Achievements & Responsibilities: Cloud Infrastructure Management: Architected and deployed scalable, high-availability environments on OVH Bare Metal and Vultr Cloud Compute instances. Control Panel Mastery: Installed, configured, and troubleshot industry-standard hosting panels including cPanel/WHM, Plesk, and DirectAdmin for hundreds of distinct server environments. Performance Optimization: Tuned Apache, Nginx, MySQL/MariaDB, and PHP-FPM configurations, resulting in significantly reduced server load and improved website TTFB (Time to First Byte). Security & Hardening: Implemented strict firewall rules (CSF/iptables), malware scanning (Imunify360/ClamAV), rootkit detection, and brute-force protection to eliminate vulnerabilities. Disaster Recovery: Designed and managed automated, off-site backup solutions to ensure absolute data integrity and rapid restoration capabilities. Complex Migrations: Successfully executed seamless, zero-downtime server migrations across different data centers and hosting providers.