Firewall Engineer (m/f/d)

  • Giesecke+Devrient GmbH
  • Delaware
  • Full Time

Join our network security team and take responsibility for protecting and evolving a global enterprise firewall landscape in a dynamic international environment.

Your responsibilities

  • Administration and operation of enterprise firewall environments across global cloud, data center, and branch locations
  • Planning, coordination, and execution of firewall rollouts, migrations, and lifecycle activities
  • Ensuring compliance with defined SLAs, including response and resolution times during ticket handling
  • Creation, implementation, and documentation of changes within the scope of the firewall service
  • Development, maintenance, and continuous improvement of infrastructure and security documentation
  • Configuration and implementation of firewall rules, NAT policies, and routing adjustments
  • Regular review of existing firewall rule sets and execution of policy clean-ups to ensure security and performance best practices
  • Support in troubleshooting and resolving network connectivity and security-related incidents
  • Collaboration with internal teams and international stakeholders to ensure stable and secure network operations

Your qualifications

  • Proven experience in administering enterprise firewall environments, ideally with Palo Alto Networks firewalls
  • Strong networking knowledge, particularly in Internet technologies, routing protocols, IPv4, and IPv6
  • Solid understanding of IT security principles, network security architectures, and best practices
  • Familiarity with ITIL-based service management processes is an advantage
  • Structured, service-oriented working style with a strong focus on quality and reliability
  • Ability to communicate effectively with international stakeholders in a professional environment
  • Fluent English and good German language skills, both written and spoken
Job ID: 519466257
Originally Posted on: 5/1/2026

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