Cybersecurity Engineer for Railway Systems

Job ID
- 473897
- Posted since
- 06-Aug-2025
- Organization
- Mobility
- Field of work
- Cybersecurity
- Company
- Siemens Rail Automation S.A.U.
- Experience level
- Mid-level Professional
- Job type
- Full-time
- Work mode
- Hybrid (Remote/Office)
- Employment type
- Permanent
- Location(s)
- Tres Cantos - Madrid - Spain
- Siemens Mobility is a separately managed company of Siemens. With digitalization, Siemens Mobility is enabling mobility operators worldwide to make infrastructure intelligent, increase value sustainably over the entire lifecycle, enhance passenger experience and guarantee availability.

Mobility Management, Turnkey Projects & Electrification, Mainline Transport, Urban Transport and Customer Services. They have the know-how to make road traffic flow more smoothly and quickly, make trains more environmentally friendly and efficient, make train schedules and freight shipments more reliable. We work with our customers to develop optimal solutions to help overcome their challenges.

**Position overview**

**At Siemens Mobility, we are looking for a passionate Cybersecurity Engineer** who is excited by technical challenges and committed to taking railway cybersecurity to the next level. You will be part of a multidisciplinary team that is revolutionizing the railway sector by securing critical infrastructure with innovative solutions. In this role, you won’t just protect systems; you will actively contribute to the safety of millions of people who rely on these systems every day.

With large-scale international projects across the globe, you will have the chance to travel and oversee the deployment of cutting-edge cybersecurity solutions worldwide.

**We make real what matters. This is your role**:

- You will design and implement cybersecurity solutions for cutting-edge global railway projects, overseeing the entire lifecycle of our solutions, from concept to deployment.
- You will collaborate closely with experts from various fields, acting as the key voice for cybersecurity in these projects.
- You will engage directly with clients and Project Managers to ensure our solutions meet their expectations and comply with the industry’s strictest standards, such as IEC 62443 and CENELEC TS 50701.
- You will face complex and ever-evolving environments where your initiative and problem-solving skills will be crucial.

**Activities and responsibilities**:

- Report progress of cybersecurity engineering activities in projects.
- Ensure the assigned activities are done according to projects goals and schedule plans.
- Ensure the assigned design, implementation, test and commissioning activities are done according to project requirements
- Participation in the traceability of requirements of the project.
- Generation of technical specifications.
- Participation in the generation of the system’s cybersecurity architecture and the bill of materials for the project.
- Participation in the generation of the different cybersecurity design documents and drawings.
- Generation and management of design change requests.
- Implementation, test and commissioning of cybersecurity solutions.
- System administration and support during project’s execution phase.
- Generation of manuals and training documentation.
- Provide customer training.
- Provide support to the installation and maintenance works.
- Collaboration and support to other engineering teams.
- Communication and collaboration with other engineering areas and Siemens Mobility departments.
- Proactively identifies areas of innovation, opportunities for process improvement and cost reductions opportunities.
- Contribute to evolve traditional industrial architectures to modern, cybersecure infrastructures.

**Siemens Mobility offers you**:

- Constant innovation: You will be part of a team leading the digital transformation in railway cybersecurity, working with emerging technologies and pushing the limits.
- Continuous professional development: At Siemens Mobility, we believe in your potential. You’ll have access to training and opportunities to lead projects and technological solutions in a growing sector.
- A dynamic and collaborative environment: You’ll work with professionals from diverse fields, sharing knowledge and learning constantly.
- Real impact: What you do will have a direct impact on the security of key infrastructures worldwide. You’ll be part of a mission that matters.

**What we are looking for in you**:

- Degree in Telecommunications Engineering, Computer Science, or a related field, with experience in industrial cybersecurity or critical sectors.
- Knowledge about cybersecurity technologies: SIEM, IDS, IAM, PKI, LRA, firewalls, data diodes, and more.
- Ability to work in complex and dynamic environments, with the initiative to solve problems and adapt to uncertainty.
- Ability to interpret requirements, design solutions based on them, and implement systems that comply with customers’ cybersecurity objectives.
- Knowledge of network secu