Shape the future of safe and smart train travel worldwide.

For over 160 years, Siemens Mobility has been a general leader, innovating transportation solutions that move the world. We lead the way in Rolling Stock, Rail Automation & Electrification, Turnkey Systems, Intelligent Traffic Systems, and comprehensive Related Services. Through digitalization, we empower operators worldwide to create intelligent infrastructure, enhance passenger experience, and ensure unparalleled availability. Join us in transforming Mobility Management, Turnkey Projects, Electrification, Mainline & Urban Transport, and Customer Services. If you're ready to make a real impact on a more connected and sustainable future, your journey starts here.

Your mission in our team As an ATC On-Board Engineer, you will design and integrate cutting-edge on-board signaling equipment for national and international railway projects. You will be the technical reference ensuring safe, seamless communication between our advanced signaling systems and the rolling stock.

You’ll make a difference by





Acting as the primary technical expert for the architecture and design of ATC on-board equipment.

Designing and reviewing critical electrical and mechanical interfaces between the ATC subsystem and the train.

Creating comprehensive project documentation, including train wiring, installation drawings, and test protocols.

Preparing manufacturing documentation, material bills, and Factory Acceptance Test (FAT) guidelines.

Supporting dynamic and static on-board testing to ensure the highest safety and operational standards.

Your success is grounded in

A Degree in Electrical Engineering, Electronics, Telecommunications, or a related field.

Proven experience integrating subsystems within the rolling stock business.

Proficiency in engineering design tools such as AutoCAD, AutoCAD Electrical, and Solid Edge.

Fluency in both English and Spanish to collaborate effectively across international, multidisciplinary tea

📌 ATC On-Board Engineer (Tres Cantos)
🏢 Siemens
📍 Tres Cantos