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# C++ Software Engineer - Critical Railway Systems - Tres Cantos

- **Company:** SIEMENS, S.A.
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Artificial Intelligence, C++ (Programming Language), Object-Oriented Software Development, Software Architecture, Software Engineering, Safety Critical Systems, Information Technology
- **Published:** October 8, 2026
- **Apply:** https://www.buscojobs.com.es/c-software-engineer-critical-railway-systems-tres-cantos-en-madrid-ID-375076163

## About the Role

Compensaciones / Beneficios flexible work arrangements hybrid remote/office DEI learning resources Employee Resource Groups inclusive culture work-life balance Responsabilidades Develop and evolve C++ components for SIL4 safety-critical systems Lead complete software lifecycle from specification to customer support Collaborate with multidisciplinary, international teams on high-impact projects Explore AI-based solutions to automate tasks and improve testing Foster collaboration and remove impediments within an Agile team Requisitos principales Degree in Software Engineering, Computer Science, Telecommunications, Industrial Engineering, or related field Solid C++ programming experience in demanding environments Strong object-oriented programming, software architecture, and robust design Fluency in English and Spanish for distributed collaboration Familiarity with railway signaling standards and software lifecycles is a plus Collaborative mindset Technical curiosity Motivation to develop
software with social impact C++ programming in safety-critical contexts Object-oriented design and software architecture Experience with SIL4 safety-critical life cycles (EN*****) is a plus

## Description

Overview Join Siemens Mobility's Rail Signalling team to develop secure C++ software for SIL4-critical railway control systems.You will drive the full software lifecycle, collaborate with international teams, and explore AI-driven testing and automation.The role combines safety-critical engineering with innovative solutions to enhance mobility and public safety.This is a chance to impact global transit reliability while working in a flexible, hybrid environment.Compensaciones / Beneficios flexible work arrangements hybrid remote/office DEI learning resources Employee Resource Groups inclusive culture work-life balance Responsabilidades Develop and evolve C++ components for SIL4 safety-critical systems Lead complete software lifecycle from specification to customer support Collaborate with multidisciplinary, international teams on high-impact projects Explore AI-based solutions to automate tasks and improve testing Foster collaboration and remove impediments within an Agile team Requisitos principales Degree in Software Engineering, Computer Science, Telecommunications, Industrial Engineering, or related field Solid C++ programming experience in demanding environments Strong object-oriented programming, software architecture, and robust design Fluency in English and Spanish for distributed collaboration Familiarity with railway signaling standards and software lifecycles is a plus Collaborative mindset Technical curiosity Motivation to develop software with social impact C++ programming in safety-critical contexts Object-oriented design and software architecture Experience with SIL4 safety-critical life cycles (EN*****) is a plus