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Erstellt am 13. Mai 2026

Firewall Engineer (m/f/d)

Giesecke+Devrient
München, Bayern 80331, Germany Vollzeit
Reference: 156848959

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

$$ We are an equal opportunity employer! We promote diversity in all its forms and create an inclusive work environment, free from prejudice, discrimination and harassment, in which all employees feel a sense of belonging. We warmly welcome all applications regardless of gender, age, race or ethnic origin, social and cultural background, religion, disability and sexual orientation.

$$ Samson Tzeggai $$ [email protected] $$ $$ $$ https://career5.successfactors.eu/career?company=gieseckede&career_job_req_id=27056&career_ns=job_application

We are an equal opportunity employer! We promote diversity in all its forms and create an inclusive work environment, free from prejudice, discrimination and harassment, in which all employees feel a sense of belonging. We warmly welcome all applications regardless of gender, age, race or ethnic origin, social and cultural background, religion, disability and sexual orientation.

We are looking forward to receiving your application!

G+D Group Services GmbH und Co. KG

Prinzregentenstrasse 161, 81677 München

www.gi-de.com/careers

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My team creates security in our digital world.

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