Infrastructure Network Security and IA

Affinity; Porto; Hybrid; EUR 35,000 - 55,000; Full time

Job summary

Affinity is seeking a Network/Security Engineer to join our Porto team. You will work on complex network security projects across multiple environments, leveraging firewall expertise and data centre knowledge to ensure robust, scalable infrastructure.

The role requires strong Python skills and experience with AI-assisted development tools, with opportunities to grow in a collaborative, hybrid-work setting in Portugal.

Qualifications

• 3-5 years of experience in network/security engineering.
• Certifications: JNCIP or CCNP (CCNA considered).
• Firewall tech expertise (Check Point, Fortinet).
• Data centre infrastructure knowledge.
• Network trace analysis in complex environments.
• Python proficiency with AI tools like Copilot.

Skills

3-5 years

Network security

Security engineering

Firewall tech

Python basics

AI tools

JNCIP

CCNP

Teamwork

Proactive

Tools

Check Point

Fortinet

Job description

Our mission is to be a meaningful part of our people's careers. As we grow, so does our determination to offer the best experience to our employees and clients — and that’s exactly what drives us. We are a Portuguese technology consulting company with offices in Lisbon, Porto and Óbidos, and representations in Brazil and Tunisia. We have over 12 years of market expertise, and today we are a universe of around 400 people working on-site, remotely or in hybrid mode in projects across 20+ countries.

We believe that great people make successful companies, and that’s why we stand for the appreciation, recognition and growth of our professionals.

We don’t want to be just another line on your CV — we want you to live a Lifetime Experience with us. We invest in training and certifications that confirm your real progression, in promoting a healthy work-life balance, and in offering benefits that impact your personal life and career.

#welcometoyourfuture

What we’re looking for:

• 3-5 years of experience in similar network/security engineering functions;
• Juniper JNCIP or Cisco CCNP certification (CCNA also considered);
• Advanced expertise in firewall technologies, including Checkpoint and Fortinet;
• Solid technical knowledge of network service providers (service types, SLAs, fiber paths, redundancy);
• Strong understanding of Data Centre infrastructure;
• Proven network trace analysis skills in critical and complex environments;
• Working knowledge of Python, including AI-assisted development tools such as Copilot.
• #Affinity – Creating close and empathetic relationships with colleagues, clients and candidates (and not just with technologies, languages and platforms). Team spirit and good vibes;
• #Ambition – Wanting to do more and better. A drive to exceed expectations and evolve personally and professionally;
• #Action – Energy to make things happen. Showing proactiveness and initiative;
• #Learning – Willingness to grow individually and collectively and to become an expert in the tech market;
• #Assertiveness – Transparent and honest communication, always with constructive feedback.

Your #LifetimeExperience

• Taking part in national and international projects in a company based on personal relationships, simplicity and efficiency, with a disruptive approach to the tech market;
• Accessing a career and training plan tailored to your performance and interests;
• Being part of a welcoming, trustworthy, respectful and informal environment;
• Joining our Affinity Communities (sports, tech, hobbies, etc.) and actively participating in social and environmental responsibility projects;
• Taking advantage of a range of benefits, partnerships, discounts, events and internal dynamics.

Beyond your professional satisfaction, we want to offer you memorable moments of leisure and connection, worthy of an Affinity experience.

Join the Experience!