Senior Network Security Engineer

We are seeking a skilled and passionate senior Senior Network Security Engineer to join our team in Porto. The Senior Network Security Engineer will be responsible for setting up, configuring, and supporting the CORE network infrastructure, including firewalls, HLB, DNS, proxies, and more. The role involves designing network solutions, troubleshooting, and optimizing the network environment while introducing automation services. The candidate will also participate in infrastructure and business projects, ensuring secure and efficient network operations.

You will champion a security-first culture, participate in initiatives that protect client platforms and data, reduce risk exposure, strengthen defenses, and continuously improve the client's overall security posture.

Responsibilities

• Set up, configure, and support CORE network infrastructure (firewalls, HLB, DNS, GLB, IP, proxies, etc.)

• Create network designs based on infrastructure and application requirements

• Participate in network design reviews for infrastructure and segmentation

• Review, implement, and enhance the network environment

• Maintain and update documentation of corporate network implementations

• Provide L3-level troubleshooting for network systems

• Support network projects by delivering required infrastructure and documentation

• Perform vulnerability assessments, validation, and upgrades on network systems and applications

• Maintain processes like configuration management and infrastructure monitoring

• Optimize current network implementations and introduce automation services