Horacio Renteria Castellanos
@horacio_renteria
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Work Experience
System Administrator
Freelancer• January 2022 - Present• Atizapán de Zaragoza, Estado de México
Installation, upgrading, troubleshooting and management of Linux servers. Deployment of containers using Docker (Compose included). Control of IoT devices locally using Home Assistant and its resources like first and third-party APIs. Internet security enhancement with firewall box powered by OPNsense, using VLAN isolation, custom firewall rules, custom DNS server with malware blocking and self-hosted VPN for remote file access. Custom VPN setup with a cloud VPS using Wireguard protocol.
Maintenance Technician
Johnson Controls• January 2020 - Present• Atizapán de Zaragoza, Estado de México
Application of optimizations in the report elaboration process to make it simpler and faster. Design of simple software applications for data digitalization.
Education
Instituto Politécnico Nacional
Mechanical engineering• January 2014 - January 2018
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