Network Security Engineer

Hexa Consulting is looking for a Security Engineer to join our Client's team in a hybrid work model from Lisbon.

JOB DETAILS

Lisbon, Portugal | Hybrid | Healthcare & Insurance Services Sector

MANDATORY REQUIREMENTS

• 1–3 years of professional experience in Security Engineering, Infrastructure Support, Systems Administration or a related technical field.
• Bachelor's or Master's degree in Computer Engineering or a related field (preferred).
• Practical knowledge of Windows Server and Linux environments.
• Understanding of cybersecurity principles, infrastructure hardening, patching and vulnerability remediation.
• Good understanding of networking fundamentals and enterprise infrastructure security.
• Ability to perform structured technical troubleshooting, incident investigation and root-cause analysis.
• Familiarity with change-management procedures and technical documentation practices.
• Strong analytical and problem-solving skills, with a structured and methodical approach.
• Customer-oriented mindset, attention to detail and proactive attitude towards continuous improvement.
• Fluency in Portuguese and English proficiency at B2 level or above.

NICE TO HAVE

• Basic scripting or automation knowledge using PowerShell, Bash or Python.

TECHNOLOGY STACK

• Operating Systems: Windows Server, Linux.
• Infrastructure Security: Security Hardening, Patch Management, Vulnerability Remediation.
• Networking: Fundamental Networking Concepts.
• Operations: Incident Investigation, Troubleshooting, Root-Cause Analysis, Change Management.
• Scripting (Nice to Have): PowerShell, Bash, Python.

KEY RESPONSIBILITIES

• Support security hardening, patching, vulnerability remediation and infrastructure security activities across enterprise environments.
• Perform structured incident investigation, problem analysis and root-cause identification to ensure effective issue resolution.
• Support the administration, operation and troubleshooting of Windows and Linux systems.
• Investigate infrastructure-related incidents and contribute to system stability, security and continuous optimization.
• Execute technical changes according to established procedures, change-management processes and documentation standards.
• Collaborate with technical and non-technical stakeholders during investigation, troubleshooting and resolution activities.
• Contribute to the continuous improvement of infrastructure security and operational reliability.

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!