Firewall Expert and Network Security Specialist | Firewall-Experte mit Schwerpunkt Netzwerksicherheit (m/w/d)

Stadtverwaltung Jena

Jena, Thüringen, Deutschland
Published Feb 13, 2026
Full-time
Permanent

Job Summary

Join the Municipal Information Technology and Telecommunications (KITT) department in Jena, a city known for innovation and quality of life. In this role, you will be responsible for the independent operation and administration of network infrastructure, specifically focusing on Palo Alto Networks. Your day-to-day tasks involve planning and implementing complex security architectures within a Zero-Trust strategy, managing firewall policies, and handling incident responses. You will also drive efficiency through automation using Python and Ansible to orchestrate configurations and manage APIs. This position is ideal for a seasoned technical expert who enjoys designing secure network segments and ensuring high availability across on-premise and cloud environments. Working within a team of 60 specialists, you will support the IT infrastructure for over 2,000 workstations across 140 locations. The role offers a permanent contract, flexible working hours, and the opportunity to work in a forward-thinking municipal environment dedicated to excellence in IT security.

Required Skills

Education

University degree in a relevant field such as Computer Science, IT Security, Network Technology, or a comparable qualification.

Experience

  • At least 10 years of professional experience in the administration, configuration, and operation of enterprise firewalls, specifically Palo Alto Next-Generation Firewalls.
  • Professional experience in designing and operating complex network architectures including firewalls, load balancers, and proxies.
  • Proven experience in network hardening and security according to established IT security guidelines.
  • Practical experience in automation and scripting using Python, PowerShell, or Ansible.
  • Experience in analytical error analysis and troubleshooting (Packet Capture, Flow Analysis, Log Analysis).

Languages

German (Fluent)English (Fluent)

Additional

  • Permanent full-time position located in Jena. Requires expertise in Palo Alto specific features (App-ID, User-ID, Content-ID, WildFire, GlobalProtect). Experience with agile and non-agile planning methods is desirable.