Team Lead – Network & Security Operations

Join Us as a Team Lead – Network & Security Operations
Are you ready to shape the future of capital markets? We are looking for a Team Lead - Network and Security Operations to join the Production Services team. The position will be based in Porto, and you will report to the Group Production Services.
You will primarily be responsible for:

• Leading and developing a team of around 15 Network Operations Centre (NOC) and Security Operations Centre (SOC) professionals, fostering a collaborative and high-performance culture
• Managing the day-to-day operation of a 24/7 Network and Security Operations function, ensuring service continuity, operational excellence and adherence to service level agreements
• Driving the integration and evolution of NOC and SOC models, identifying opportunities to simplify processes, improve collaboration and increase efficiency
• Overseeing team capacity, shift planning, on-call coverage, performance management and professional development
• Supporting recruitment, onboarding, training and certification plans to ensure the team is equipped for a complex and evolving technology environment
• Providing hands-on technical leadership during complex incidents and escalations, working closely with senior engineers and analysts
• Overseeing network operations across WAN, LAN, SD-WAN, routing, switching, firewalls, VPN, load balancing, DNS/DHCP, Internet connectivity, Wi-Fi, cloud networking and datacentre infrastructure
• Providing operational oversight of security monitoring and incident response, including alert triage, investigations, endpoint security, SIEM operations and IAM-related events
• Ensuring effective use of monitoring and security platforms, including Microsoft Sentinel and Microsoft Defender, and driving automation and process improvement
• Leading and coordinating major incidents, acting as Incident Commander when required and ensuring clear communication with stakeholders
• Driving post-incident reviews and root cause analysis, ensuring corrective actions are implemented
• Managing relationships with technology vendors and external service providers
• Maintaining and improving operational procedures, knowledge bases and technical documentation
• Staying up to date with developments in networking, cybersecurity and cloud technologies, and translating these into practical improvements

Your profile:

• Bachelor’s degree in computer science, engineering, information technology or a related field
• At least five years’ experience in network operations, security operations or a related technical environment
• Minimum two years’ experience in team leadership, coordination or people management
• Proven expertise in network operations, with strong knowledge of enterprise networking concepts and technologies
• Good understanding of security operations, including monitoring, incident response and event investigation
• Experience in both NOC and SOC environments is highly valued
• Strong knowledge of network technologies (routing, switching, WAN/LAN, SD-WAN, VPN, firewalls, load balancing, DNS/DHCP, Internet connectivity)
• Experience with technologies such as Juniper, Arista, Cisco, Fortinet, Check Point, F5, Aruba and Cloudflare is a plus
• Familiarity with Microsoft Sentinel, Microsoft Defender or equivalent SIEM and EDR technologies
• Experience in hybrid and multi-cloud environments (AWS and/or Azure)
• Strong understanding of incident, major incident and problem management, ideally with ITIL practices
• Experience managing external service providers and operational stakeholders
• Excellent people management, coaching and team development skills
• Ability to combine technical depth with operational and people leadership
• Strong process mindset, analytical and problem-solving skills
• Excellent communication and stakeholder management skills, with the ability to engage both technical and non-technical audiences
• Fluent in English, both written and spoken
• Security or networking certifications are an advantage

Join a company where market infrastructure is built on innovation - and where every innovation starts with a bold mind asking, “What’s next?”. At Euronext, we believe change is a starting point, not an obstacle. We look for people who see growth opportunities, think long term and want to help shape capital markets for future generations. Working with us means:

• Being part of a European, international and diverse team – Collaborate across borders with talented colleagues connected by a shared ambition and purpose.
• Learning as you grow – Develop your skills through continuous learning, real responsibilities and flexible career paths that evolve with you.
• Having an impact – Contribute to projects that matter, in an agile and dynamic environment where your ideas help drive progress.
• Driving sustainability – Play an active role in building transparent, responsible and sustainable capital markets for the long term. Together, we do not just support markets - we help shape their future.

Apply by submitting a CV in English.
The Production Services team ensures the smooth, secure and efficient functioning of Euronext’s markets across seven locations. The department manages the full lifecycle of instrument reference data and issuer related operations, delivering high quality support to members and partners while safeguarding the accuracy of market information. EMS defines and enforces harmonised trading rules, monitors trading sessions in real time, and operates the mechanisms that guarantee fair and orderly markets. Join a central operational partner for market participants, and contribute to EMS critical role in market integrity, client experience and the continuous evolution of Euronext’s trading environment.
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.