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September 15, 2026

Security Engineer (Firewall)

Senior • On-site

55,000 - 85,000 EUR/yr

Dortmund, Nrw, Germany

Quick Facts

  • Role: Security Engineer (Firewall)

  • Focus: Fortinet firewall operations and security enhancements, including IDS/IPS and network segmentation

  • Also includes: Zscaler SASE administration (ZIA/ZPA) and regulatory compliance (e.g., DORA)

Description

Operate and continuously improve the Fortinet firewall infrastructure (including FortiManager), including IDS/IPS configuration and maintenance. Design and implement network segmentation strategies to increase IT security resilience and administer the Zscaler SASE platform (ZIA/ZPA). Ensure security-relevant requirements are met according to legal obligations (especially DORA) while maintaining security documentation and policies.

Responsibilities

  • Operate and further develop Fortinet firewall infrastructure (including FortiManager)

  • Configure and maintain IDS/IPS functions in the Fortinet environment

  • Concept and implement network segmentation strategies for higher IT security resilience

  • Administer the Zscaler SASE platform (ZIA/ZPA)

  • Implement security requirements according to legal/regulatory rules (particularly DORA)

  • Create and maintain technical documentation and security guidelines/policies

Requirements

  • Successfully completed degree in MINT subjects

  • Practical experience in network security with focus on firewall technologies (Fortinet) and network segmentation

  • Experience with Zscaler products (ZIA/ZPA)

  • Practical knowledge of administering IDS/IPS on Fortinet firewalls

  • Good knowledge of relevant security standards; ideally experience with regulatory requirements (e.g., DORA)

  • Secure communication in German and English

  • Independent and structured way of working

Benefits

  • Mobile work: up to two days per week from home

  • Flexible working hours without core or minimum working time

  • Company pension plan with employer support

  • Corporate health management (preventive care, vaccinations, sports, seminars)

  • Extensive training offer (internal and external workshops, training, coaching)

  • Voluntary employer benefits: savings/asset-building contributions and special payments (Christmas and vacation pay)

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