Firewall Engineer (m/f/d)
This position is no longer accepting applications(closed Aug 17, 2026).
Summary
Maintains and secures global firewall infrastructure using Palo Alto Networks, ensuring compliance and incident resolution in a multinational enterprise.
We shape trust in the digital age!
At G+D, we are creating confidence, with built-in security tech in three segments: Digital Security, Financial Platforms and Currency Technology. To our customers, we have been a reliable partner for more than 170 years. With our offering, we are well positioned to support them on their future journey. Discover our innovative SecurityTech solutions!
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