C++ Software Engineer - Critical Railway Systems
523669
24-Sep-2026
Mobility
Research & Development
SIEMENS MOBILITY, S.L.U.
Mid-level Professional
Code the technology that safely moves millions of people every day.
For over 160 years, Siemens Mobility has been a global 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 Joining our Rail Signalling team, you will develop highly secure C++ software for critical railway control systems. Your code will directly impact the safety, reliability,



and efficiency of integral transit networks, shaping the future of mobility.
You’ll make a difference by
- Developing and evolving C++ software components applying best engineering practices for SIL4 safety‑critical systems.
- Driving the complete software lifecycle: from specification, design, and coding to integration, validation, and customer support.
- Exploring and implementing AI-based solutions to automate tasks, optimize testing, and boost engineering capabilities.
- Collaborating with international, multidisciplinary teams on high-impact technological projects for leading railway operators.
- Progressively taking on facilitation responsibilities within your Agile team, helping to remove impediments and foster collaboration.

Your success is grounded in
- A Degree in Software Engineering, Computer Science, Telecommunications, Industrial Engineering, or a related field.
- Solid experience or strong

📌 C++ Software Engineer (Tres Cantos)
🏢 Siemens Mobility
📍 Tres Cantos