System Engineer - Firewall & Infrastructure | System Engineer - Firewall & Infrastructure (m/w/d) || netgo tax

netgo

Deutschland
Published Jul 28, 2025
Full-time
No information

Job Summary

This role is for an experienced System Engineer specializing in network security, focusing on the strategic and operational development of firewall infrastructure. The primary responsibility involves migrating existing Sophos UTN and Lancom solutions to OPNsense. Day-to-day tasks include planning and implementing firewall system migrations, actively developing and independently operating the firewall infrastructure, and designing and implementing firewall rules, IPsec connections, and routing configurations with a strong emphasis on security. The ideal candidate will also maintain and optimize rule sets, automate processes using scripting and firewall APIs, and support audits, monitoring, troubleshooting, and documentation. This position offers a modern workplace, a family-friendly environment, and opportunities for continuous professional development within one of Germany's largest IT service providers.

Required Skills

Education

Not specified

Experience

  • Professional experience with firewall systems, specifically pfSense or OPNsense
  • In-depth knowledge of routing (static and dynamic), IPsec-VPN, and firewalling
  • Experience with firewall APIs and PowerShell scripting
  • Ideally, experience with complex enterprise system landscapes

Languages

German (Fluent)

Additional

  • Not specified