2nd Level Operations Specialist (Mobile Networks) | Mitarbeiter (w/m/d) 2nd Level-Betrieb

450connect GmbH

Köln, Nordrhein-Westfalen, Deutschland
Published Jan 28, 2026
Full-time
Permanent

Job Summary

This role involves providing critical 2nd-Level support for a mission-critical mobile network platform, specifically focusing on the Core and Backbone network elements within Germany's energy and water sectors. The specialist will be responsible for analyzing and resolving Level-2 faults, supporting the Network Operations Center (NOC) with Level-1 fault resolution, and assisting with software updates for network components. A key aspect of the job is participating in a 24/7 on-call rotation to ensure system resilience and high availability. The ideal candidate must have a background in electrical engineering, telecommunications, or related fields, possess experience operating mobile or backbone networks, and demonstrate hands-on expertise with virtualized server architectures. This position offers a stable, future-proof career contributing to the digitalization of critical infrastructure.

Required Skills

Education

Degree in Electrical Engineering, Telecommunications Engineering, Mathematics, or Physics

Experience

  • Professional experience in the operation of mobile networks
  • Alternatively, professional experience in the operation of backbone networks
  • Experience with conceptual challenges and project management tasks

Languages

German (Fluent)English (Basic)

Additional

  • Willingness to participate in 24/7 on-call duty (Rufbereitschaft) for 2nd-level support; Must be willing to work in the Cologne office 3 days per week.