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

Qualifications

Minimum of 12 years of experience in network security or a related field

Extensive experience with CheckPoint and Palo Alto technologies, including:

CheckPoint VSX and high-end appliances

Palo Alto Panorama, Prisma, IAF, and SD-WAN.

Experience with F5 technologies

Experience with Cloudflare product management

Knowledge of AlgoSec products

Strong knowledge of routing and switching technologies (BGP, ISIS, OSPF, VRF, MPLS, GRE, IPSEC, OTV)

Excellent understanding of TCP/IP protocols, DNS (Infoblox), and QoS

Automation and development skills (Python, Ansible, Bash, Netbrain, Terraform)

Legal: Must own a valid work permit or EU/Schengen Space Nationality to legally work in Portugal.

Preferred Qualifications

Certifications

CheckPoint Certified Security Expert (CCSE).

Palo Alto Networks Certified Network Security Engineer (PCNSE).

F5 Certified Technology Specialist (F5-CTS).

Degree in Computer Science, Information Systems, or related disciplines.

Additional Information

Flexibility for regular travel to Paris or Brussels (at least once per quarter)

Teleworking is possible, with a minimum of 8 days per month on-site