We are looking for a Network Security Engineer specialized in firewall administration to join our IT Security team.

In this role, you will manage and optimize enterprise firewalls (Checkpoint, Fortinet, Palo Alto) and related tools (AlgoSec / FireMon), ensuring a secure, compliant, and highly available network infrastructure. You will review and clean up rules, support incident resolution, assess infrastructure and applications from a security perspective (LAN/WAN, DMZ, IDS/IPS, WAF), and propose continuous improvements to our security architecture.

The position includes participation in on‑call rotations (24/7), close collaboration with IT production teams, and staying up to date with the latest security trends and technologies. English is required; Portuguese and Spanish are a plus.