Sergio Lobera

Tier3 VoIP Engineer working with different products (FreePBX - Switchvox - Star2Star)

Experienced IT professional specializing in Linux server management, networking, cybersecurity, and IP telephony. Skilled in configuring and maintaining virtual environments, optimizing system performance, and implementing robust security measures to ensure reliable and secure operations. Proficient in troubleshooting complex technical issues and delivering efficient, scalable solutions.

Led a team managing VoIP servers (FreePBX), HTTPd servers (Apache, NGINX), DBs, VMs, and IT Security. Oversaw system optimization, issue resolution, and infrastructure upgrades to ensure high availability and performance.

Taught courses on Linux administration, server management, and VoIP technologies, focusing on practical skills and real-world applications. Designed and delivered comprehensive training programs to prepare students for IT industry challenges, emphasizing hands-on learning and problem-solving techniques.