Voor onze eindklant KPN is Harvey Nash op zoek naar een Senior Security/Firewall Engineer

Startdatum: 01-12-2026

Einddatum: 31-05-2027

Locatie: Amersfoort

Aantal uur: 40uur per week

Help build secure connectivity for the bank of the future
Within Networks & Datacenter (NW&DC), we provide the secure and resilient infrastructure that supports ABN AMRO's critical business services. For a strategic Extranet migration program, we are looking for an experienced Senior Firewall Engineer who will help migrate and secure external connectivity services within a complex enterprise environment. You will join a dedicated project team consisting of a Project Manager, Network Engineer and Firewall Engineer, playing a key role in delivering secure and compliant connectivity migrations.

Your Role
As Senior Firewall Engineer, you will be responsible for implementing and managing firewall policies, security controls and network segmentation required for the migration of Extranet connections. You combine strong technical expertise with a hands-on approach and work closely with network and security stakeholders to ensure seamless and secure migration delivery.

What You Will Do

  • Design and implement firewall policies for Extranet connectivity.
  • Execute security changes required for connectivity migrations.
  • Review, optimize and maintain firewall rule sets.
  • Support network segmentation and secure connectivity solutions.
  • Troubleshoot firewall and connectivity issues.
  • Participate in testing, cutovers and post-migration support.
  • Ensure compliance with security standards and governance processes.
  • Collaborate closely with network engineering teams throughout the migration lifecycle.


Your Profile

  • 5+ years of experience as a Firewall Engineer or Network Security Engineer.
  • Handson experience with enterprise firewall platforms.
  • Strong knowledge of: o Firewall policy management
    • Network segmentation
    • Secure connectivity services
    • Access control and security governance
  • Experience with migration or transformation projects.
  • Strong troubleshooting and analytical skills.
  • Experience in large enterprise environments.


Preferred

  • Palo Alto Networks NGFW and Panorama.
  • Check Point and/or Fortinet.
  • Extranet connectivity environments.
  • Enterprise WAN environments.
  • Automation experience with Python, Ansible or APIs is a plus.



Certifications
One or more of the following:

  • Palo Alto PCNSE / PCCSA
  • Fortinet certifications FCP / FCSS
  • Equivalent industry certifications


What We Offer

  • A 6month assignment within a strategic Extranet migration program.
  • A key role in a small, highly focused project team.
  • A challenging enterprise environment with complex connectivity and security requirements.
  • The opportunity to make a direct impact on a critical infrastructure transformation.

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