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Comms Engineer – Railway Signalling

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Comms Engineer – Railway Signalling

Siemens Mobility • Madrid, Spain
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Employment Type Permanent
Experience Level Senior
Required Experience Solid experience (minimum 5 years) in the roll-out of communication networks (Gigabit Ethernet, SDH, MPLS, etc.) and radiocommunication systems (with special emphasis on GSM-R, TETRA, and IEEE 802.11-based technologies).
Job Category Systems Integration
Posted 11 Oct 2026
Closing Date 05 Nov 2026

Full Job Description

Your Mission in Our Team

As a COMMS Engineer, you will join the railway communication infrastructure area, taking on a fundamental role in the development and deployment of communication transport solutions (fixed and radio) for large-scale international railway projects. Your talent will ensure the essential connectivity for the mobility of the future.

Challenges That Await

  • Analyze project requirements in depth to design optimal solutions.
  • Develop precise technical specifications and innovative system architectures.
  • Lead the integration of our systems with third-party technologies, ensuring flawless operation.
  • Act as a trusted technical liaison with customers and other contractors, building solid relationships.
  • Troubleshoot and resolve network issues in both wired and wireless systems.
  • Provide expert technical support during the commissioning phase and throughout the operation of the systems.

What Will Make Your Application Stand Out

  • Solid experience (minimum 5 years) in the roll-out of communication networks (Gigabit Ethernet, SDH, MPLS, etc.) and radiocommunication systems (with special emphasis on GSM-R, TETRA, and IEEE 802.11-based technologies).
  • Proven skill in executing onsite testing and commissioning.
  • Analytical capability for network troubleshooting using advanced tools like Wireshark.
  • Fluent command of English, both conversational and written, essential for navigating our global environment.
  • Ability to draft and manage project technical documentation with a high level of detail.
  • Availability to travel and flexibility to adapt to sporadic weekend or night shifts, according to project needs.

You’ll thrive even more if you also bring

  • Recognized network vendor certifications (e.g., Cisco CCNA/CCNP), which validate your technical knowledge.
Source

Original vacancy published by Siemens Mobility. Please refer to the official employer website for current information.

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