IT Specialist / Network Engineer with Cisco Focus | IT-Spezialist/ Network Engineer/ Schwerpunkt Cisco Netzwerke (m/w/d)

conexon GmbH

Dortmund, Nordrhein-Westfalen, Deutschland
Published Sep 23, 2025
Full-time
Fixed-term

Job Summary

This role involves the independent configuration, maintenance, and optimization of Cisco network components, primarily switches and routers of the latest generations. The successful candidate will perform software updates and upgrades on Cisco devices, analyze and process PSIRTs (Product Security Incident Response Team alerts), and manage IP-management systems for fault, IPAM, configuration, and performance. A key aspect of the role is the creation and maintenance of technical documentation, along with providing 3rd level support for complex network issues. This position offers the opportunity to contribute to projects focused on enhancing network infrastructure and collaborate with internal departments and external service providers within an energy sector company, initially on a fixed-term contract with potential for extension or permanent placement.

Required Skills

Education

Cisco Certified Network Professional (CCNP) certification or comparable professional experience

Experience

  • Professional experience equivalent to Cisco Certified Network Professional (CCNP) level
  • Extensive experience with Cisco devices (Catalyst, ISR, ASR)
  • Experience in performing software updates and patch management processes
  • Experience in handling PSIRTs and assessing/implementing security-relevant measures

Languages

Not specified

Additional

  • Security clearance according to SÜFV (Sicherheitsüberprüfungsverordnung) is mandatory