Information Technology Security Engineer

Senior IT Security Engineer (F5 / Sophos / PKI)

Location: Luxembourg

Language: French

Mission Context

As part of strengthening the Infrastructure & Security team, we are looking for a Senior IT Security Engineer to provide technical expertise and help enhance the organization's security maturity.

Key Responsibilities

• Administer, maintain, and optimize existing security solutions.
• Manage, support, and optimize F5 infrastructure, including Load Balancing and Web Application Firewall (WAF).
• Administer and enhance Sophos security solutions.
• Manage the Public Key Infrastructure (PKI), including digital certificates and Certificate Authorities (CAs).
• Produce and maintain comprehensive, up-to-date technical documentation.
• Contribute to the definition and continuous improvement of security processes and best practices.
• Support internal teams by sharing knowledge, providing technical guidance, and helping improve the overall security maturity of the environment.
• Act as the technical security expert and point of reference for the technologies within the scope of the role.

Candidate Profile

• Proven senior-level experience in IT Security Engineering.
• Strong expertise in the following technologies:
• F5
• Sophos
• Public Key Infrastructure (PKI)
• Strong technical documentation skills.
• Ability to work independently while collaborating effectively with cross-functional teams.
• Excellent analytical skills, attention to detail, and strong communication abilities.
• Fluent in both French and English, with excellent written and verbal communication skills.