CareersITNetworksNetwork & Security Engineer
IT

Network & Security Engineer

IT

Permanent contract

Porto

First who

  • Analytical mindset
  • Autonomous and proactive
  • Strong collaboration skills

Then what

Missions

  • Configure and maintain firewall policies
  • Analyze and manage network traffic
  • Troubleshoot security issues

Profile required

  • Fortigate or Palo Alto
  • Networking
  • Security
  • Ticketing

Lisbon

Av. Miguel Bombarda
36
1050-165 Lisbon

You want to join a company that places people at the heart of its concerns? We are waiting for you at Extia!

Extia is an engineering consultancy which proposes since 2007 an unprecedented approach in its sector by combining well-being and performance at work. A successful model: more than 3000 Extians working in 22 agencies in France and abroad, 1st Great Place To Work® in France, 160 millions of euros of turnover and plenty of energy!

At Extia, it's "First who, then what" so, let's do it!

First who

First who

Analytical mindset: Able to identify and resolve security and networking issues quickly and accurately

Autonomous and proactive: Takes initiative in identifying improvement opportunities and handling incidents independently

Strong collaboration skills: Works well in cross-functional and international teams

Attention to detail: Maintains thorough documentation and follows best practices rigorously

Problem-solving orientation: Brings a logical, structured approach to investigating complex issues

Adaptability: Comfortable working in a fast-paced, evolving technological environment

Then what

Then what

We are seeking a skilled Network Security Engineer to join our cybersecurity team. In this role, you will be responsible for configuring and maintaining firewall policies, analyzing network traffic, and implementing security best practices to ensure a robust and secure infrastructure.

Key Responsibilities:

  • Configure and maintain firewall rules and policies on Fortigate and/or Palo Alto platforms

  • Monitor and analyze network traffic to identify anomalies and ensure adherence to secure communication protocols

  • Troubleshoot and resolve security issues related to ports, protocols, and proxy configurations

  • Implement microsegmentation strategies within 3-tier architecture environments

  • Configure and manage NAT rules to control IP address translation and traffic flow

  • Collaborate with security, infrastructure, and application teams to support incident resolution and policy updates

  • Document configuration changes, procedures, and network diagrams

  • Work with ticketing systems (ServiceNow experience is a plus) for issue tracking and resolution

Required Skills and Qualifications:

  • Proven experience with Fortigate and/or Palo Alto firewalls

  • Strong understanding of networking fundamentals, including microsegmentation and NAT

  • Solid knowledge of TCP/IP, ports, protocols, and proxy configurations

  • Experience in troubleshooting and securing complex network environments

  • Familiarity with ITSM tools such as ServiceNow

  • Excellent verbal and written communication skills in English (French is a plus)

  • Ability to work independently as well as part of a global, cross-functional team

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Your agency

Lisbon

In 2019, Baptiste decided to conquer Portugal and opened an agency in Lisbon. The team now counts 25 members, and they work in IT, Digital and Data in the Banking, Finance and Insurance, Telecoms, Retail, and e-commerce sectors. The Lisbon Extians are looking to spread the "First who, then what" mindset throughout Portugal.

+35 1 935 483 591

kpicolo@extia-consulting.pt