Specialist, FRMCS IMS MCx System Design, Operational Telecommunications | Referent:in FRMCS IMS MCx Systemdesign betriebliche Telekommunikation

Deutsche Bahn AG

Frankfurt am Main, Hessen, Deutschland
Published Oct 21, 2025
Full-time
Permanent

Job Summary

This critical role seeks a highly skilled Specialist to drive the system design and strategic evolution of the FRMCS (Future Railway Mobile Communication System) operational telecommunications platform for DB InfraGO AG. The core focus involves defining and evaluating the system architecture, topology, capacity, and functionality of the TK platform, specifically concentrating on the IP Multimedia Subsystem (IMS) and Mission Critical Services (MCx: Voice, Data, Video). Day-to-day tasks include analyzing global telecommunication standards from bodies like 3GPP, ETSI, and UIC, identifying technology trends, and ensuring the platform design meets stringent requirements for availability, performance, IT security, and cost-efficiency. The specialist will be responsible for creating the system design specifications for introducing the FRMCS platform based on 5G mobile radio and the overlying MC service layer. Success requires a university degree in a relevant engineering or IT field, combined with profound knowledge of mobile telecommunications and the ability to represent complex technical specifications to management and other departments, contributing to the modernization of Germany's rail infrastructure.

Required Skills

Education

University Degree (Bachelor/Master) in Engineering (Electrical Engineering, Communications Engineering), Information Technology, Industrial Engineering, or a comparable field.

Experience

  • Long-term professional experience in operational telecommunications system design (required if degree is absent).
  • Professional experience defining architecture and design for Service Platforms (IMS/MCx).
  • Professional experience working with 5G Core system interaction.
  • Professional experience analyzing and implementing global telecommunication standards.

Languages

German (Fluent)

Additional

  • Not specified