Network Security Engineer

Hexa Consulting is looking for a Network Security Engineer to join our Client's team in a hybrid work model from Lisbon. Job Details Lisbon, Portugal | Hybrid | Banking sector Mandatory Requirements - Up to 3 years of experience in network security, firewall administration or IT infrastructure operations. - Experience working in IT production environments, including requests, incidents, changes and technical documentation. - Professional working proficiency in English and either Portuguese or French. - Experience implementing and maintaining firewall security rules. - Structured, responsible and quality-oriented approach to operational support. - Ability to collaborate effectively with multidisciplinary technical teams and provide clear technical input. - Interest in continuous improvement, security policy optimization and operational best practices. Technology Stack - Palo Alto - Fortinet - NSX-T - VCF9 Network - Network micro-segmentation - Firewall security rules - Incident, request and change management - Technical documentation - IT security and quality standards Key Responsibilities - Maintain network security infrastructures in run mode, ensuring service quality, productivity and security. - Analyze incidents, malfunctions and network flow blockages to identify root causes and support their resolution. - Implement, maintain and continuously improve security policies across firewall and network security equipment. - Contribute to the definition and implementation of best practices for security policy management. - Provide technical support, guidance, information and alerts related to network security topics. - Collaborate with experts from other technical domains to ensure alignment and operational continuity. - Support compliance with applicable IT security, quality and operational standards. - Ensure service quality within the agreed service levels for the area of responsibility. What We Offer - Work Model: Hybrid. - A culture where each person is encouraged to act as a Builder, contributing with ownership, responsibility and impact. - A collaborative environment built on Honesty, Mutual Support and Agility. - Continuous learning and certification support throughout your journey. - Private health insurance from day one, with optional family extension. - Confidential mental health support through TEAM 24, including psychological support, content and live sessions. - Childcare vouchers and practical family support measures. - Opportunities to grow through exposure to quality management, information security, AI governance and cybersecurity best practices. Equal Opportunity Hexa is committed to equal opportunity, inclusion and fair access to professional growth. We value diverse backgrounds, perspectives and experiences, and we support the principles of the Portuguese Diversity Charter in the way we build teams and opportunities. Hexa Life Life at Hexa means being part of a community of Builders. We work with transparency, support each other across projects and geographies, and stay focused on learning, adapting and delivering work that creates real impact. If you meet the above criteria and are ready for an exciting opportunity in a dynamic environment, please send your CV!