Network Engineer (Infrastructure, LAN/Firewall/Security) | Network Engineer (Infrastruktur, LAN/Firewall/Security) (all gender) Ref. Nr.: 17601-MO

SD & T Systems Development & Technology AG

Karlsruhe, Baden, Baden-Württemberg, Deutschland
Published Mar 5, 2026
Full-time
No information

Job Summary

As a Network Engineer, you will be responsible for the planning and implementation of complex network infrastructures. Your day-to-day activities involve managing medium to large-scale IT projects independently, focusing on the deployment and operational support of sophisticated network and firewall systems tailored to specific client needs. You will play a critical role in incident and problem management, troubleshooting technical issues and acting as a primary interface to third-level manufacturer support. This position offers a dynamic environment with the opportunity to work on high-end Cisco and Fortinet technologies. The role is unique for its flexibility, offering a hybrid work model between remote work and locations in Backnang or Karlsruhe, and includes a long-term perspective with a potential permanent takeover after the initial 18-month contract. Candidates must be prepared to participate in on-call rotations to ensure infrastructure reliability.

Required Skills

Education

Completed vocational training or a University/Bachelor's degree in Information Technology, Communications Engineering, or a related field. Cisco or Fortinet certifications are preferred.

Experience

  • Professional experience in the field of networking, specifically focusing on LAN, Firewall, and Security technologies.
  • Experience in the planning and realization of complex network infrastructures.
  • Proven track record of independently managing medium to large-scale IT projects.
  • Experience in implementing and supporting high-level network and firewall infrastructures.
  • Practical experience with Cisco, Fortinet, or Check Point product portfolios.

Languages

German (Fluent)English (Fluent)

Additional

  • Valid Class B driver's license required. Must be willing to participate in on-call duties. Initial 18-month contract with an option for permanent hire. Locations: Remote, Backnang, or Karlsruhe.