Summary
Gunnar Guerrero is an experienced systems and network administrator based in Toronto with seven years of hands-on experience across Windows and Linux environments. He has managed and hardened services such as NFS, NIS, SSH, DNS, DHCP, MySQL, and automated workflows with Bash, alongside practical firewall and pentesting experience. Gunnar’s background includes customer-facing technical support at Yuzu Emulator, where he diagnosed cross-platform configuration issues, moderated communities, and translated user reports into actionable GitHub issues for developers. Comfortable bridging support and engineering, he brings both operational rigor and an eye for security improvements. Colleagues value his pragmatic troubleshooting and the uncommon combination of community moderation experience with low-level system hardening skills.
7 years of coding experience
Computer Technology/Computer Systems Technology, Computer Technology/Computer Systems Technology at Seneca Polytechnic