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Freelance Network Security Engineer

Brussels, Brussels, Belgium • Posted June 01, 2026

Job Type: Contracting / Freelance
Location: Brussels, Brussels
Posted: June 01, 2026
Category: Computer Occupations
Application Deadline: July 11, 2026

Role Description

Freelance Network Security Engineer

Freelance / Network Security Engineer / Brussels / Daily rate depending on experience

Your new role

As aSenior Security Engineer, you will play a critical role in protecting the Global Aviation IT environment. You will design, operate, and continuously improve network security solutions in a highly available production environment, applying strictno‑downtime principles.

Your Tasks
  • Operate and maintainCheckpoint, Checkpoint Maestro Hyperscale, and Palo Alto firewallsin line with no‑downtime principles
  • Manage and executeprojects aimed at improving network security
  • Troubleshoot and resolvefirewall issues in a live production environment
  • Build and maintain afirewall lab / test environmentcomparable to production setups
  • Resolve incidents involvingadjacent network devices
  • Design and implementnew security principlesto protect the Global Aviation IT environment from external th...

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