Erick Z.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I am a qualified IT professional with considerable expertise in system administration. More than 8 years experienced in Linux Gentoo, CentOS, Debian, Ubuntu. I am familiar with all kind of problems and solutions related to Linux servers. Specialization: Server OS Platform: Gentoo, Centos, Ubuntu, Debian, Redhat. Virtualization: OpenVZ, KVM, XEN Control Panel: cPanel, DirectAdmin, VestaCP, ISPConfig, Plesk, Kloxo Firewall: Linux iptables Network Protocols: TCP/IP, IPv6 Network Services & Servers: Apache, nginx, php-fpm, proftpd/vsftpd, MySQL/MariaDB, postfix and others System and software Configuration, Installation, Optimization, Server Hardening I am open and honest, if I feel I am unqualified, I will not go any further without discussion, and I work well coordinating with others. I am hard-working and have a high sense of responsibility.