Network Engineer

Network engineer
Location: Porto
Start date: June 2026
Entity: Euronext Technologies
Contract: Full-time

Join Euronext Technologies as a network engineer and play a key role in designing, maintaining and optimising our network infrastructure to support business and technical requirements.

You will be primarily responsible for:

• Participating in infrastructure and business projects to define the most efficient network architecture
• Leading the maintenance of network solutions to enable effective management of business and technical requirements
• Leveraging artificial intelligence and automation tools for network provisioning and deployment
• Managing the maintenance of the infrastructure using standardised processes and automated tools
• Providing detailed high- and low-level design and test plan documentation, and liaising with other team members to ensure alignment
• Managing third-party suppliers to ensure operational effectiveness and influence design decisions, maximising business benefit from the network infrastructure
• Providing second line support for network infrastructure across data centres and offices

Your profile:

• Proven experience in network engineering, ideally in a complex and critical environment
• Strong knowledge of network architecture, protocols and security best practices
• Experience with automation tools and AI-driven network provisioning is highly desirable
• Ability to produce clear and comprehensive technical documentation (designs, test plans)
• Experience managing third-party suppliers and collaborating with cross-functional teams
• Excellent problem-solving and analytical skills, with a proactive and service-oriented approach
• Strong communication skills in English, both written and spoken
• Bachelor’s degree in computer science, information technology or a related field is preferred

Working with us means:

• Being part of a dynamic and innovative technology team at the heart of Europe’s leading capital markets infrastructure
• Opportunities for professional development and continuous learning
• A collaborative and inclusive work environment

Apply by submitting your CV in English.

Join Euronext – Shape capital markets for future generations.
Euronext is the leading European capital market covering the entire capital markets value chain, from listing, trading, clearing, settlement and custody, to solutions for issuers and investors. We operate seven national stock exchanges, handling 25% of European lit equity trading. Our products include equities, FX, ETFs, bonds, derivatives, commodities and indices. Euronext also provides clearing and settlement services through Euronext Clearing and our network of Euronext Securities CSDs. In addition, Euronext runs MTS, one of Europe’s leading electronic fixed income trading markets, and Nord Pool, the European power market. The company has a diverse domestic and international client base.

We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect.

Euronext Values

Unity

•        We respect and value the people we work with

•        We are unified through a common purpose

•        We embrace diversity and strive for inclusion

Integrity

•        We value transparency, communicate honestly and share information openly

•        We act with integrity in everything we do

•        We don’t hide our mistakes, and we learn from them

Agility

•        We act with a sense of urgency and decisiveness

•        We are adaptable, responsive and embrace change

•        We take smart risks

Energy

•        We are positively driven to make a difference and challenge the status quo

•        We focus on and encourage personal leadership

•        We motivate each other with our ambition

Accountability

•           We deliver maximum value to our customers and stakeholders

•           We take ownership and are accountable for the outcome

•           We reward and celebrate performance

We are proud to be an equal opportunity employer. We do not discriminate against individuals on the basis of race, gender, age, citizenship, religion, sexual orientation, gender identity or expression, disability, or any other legally protected factor. We value the unique talents of all our people, who come from diverse backgrounds with different personal experiences and points of view and we are committed to providing an environment of mutual respect.

Additional Information

This job description is only describing the main activities within a certain role and is not exhaustive. It does not prevent to add more tasks, projects.