Network Administrator / Network Engineer | Netzwerkadministrator / Network Engineer (m/w/d)

Job Summary

This permanent, full-time position seeks a skilled Network Administrator / Network Engineer to join an energy technology client in Düren. The core responsibilities involve the full lifecycle management of modern Cisco network infrastructures, including planning, configuration, and optimization of switches and routers. A significant part of the job focuses on network security, requiring the analysis of security-relevant reports (PSIRTs), risk assessment, and the implementation of appropriate protective measures. Candidates must possess multi-year professional experience, excellent knowledge of IP networks, including advanced routing protocols such as IS-IS, OSPF, BGP, and MPLS, and deep familiarity with Cisco hardware (Catalyst, ISR, ASR) and IOS. The role requires handling complex network problems in third-level support, maintaining IP management systems (IPAM, Fault, and Performance Monitoring), and contributing to the ongoing development of the network architecture. The company offers flexible working hours and options for mobile work.