OverviewIn this role you protect OT and industrial railway systems by coordinating cybersecurity across the project lifecycle.

You will apply secure-by-design principles and standards, balancing safety, availability, and continuity.

You'll translate customer needs into secure technical specifications and collaborate with stakeholders to align priorities.

You'll contribute to architecture and security controls, verification, and handover, helping Siemens deliver resilient rail signalling solutions.

This role offers impact at scale in a global mobility context.

Compensaciones / Beneficioshybrid work model continuous learning

DEI learning resources personal and professional development opportunities versátil work arrangement diversity and inclusion

ResponsabilidadesSupport commercial and bid teams while focusing on project execution

Prepare and implement the Cybersecurity Management Plan per IEC , CENELEC TS , and IEC *

Perform or contribute to Threat and Risk Analysis across the project lifecycle

Collect and analyse cybersecurity requirements from customer specs and standards

Harmonise inputs into coherent, traceable requirements and allocate them across systems and suppliers

Collaborate with stakeholders to reconcile priorities and align cybersecurity with Siemens' proposal

Contribute to system and solution architecture with security controls and defence-in-depth concepts





Support secure integration of Siemens and third-party products and services

Address operational security capabilities (IDS, monitoring, malware protection, patch management) considering safety and lifecycle

Act as cybersecurity interface for project management, engineering, R&D;, testing, suppliers, partners, and customers

Plan and coordinate cybersecurity verification and validation activities; evaluate findings and drive corrective actions

Support installation, commissioning, operation, and handover with guidance and documentation on residual risks

Monitor vulnerabilities and incidents, coordinating assessment and communication with stakeholders

Requisitos principalesDegree in Telecommunications, Computer Science, Industrial Engineering, Cybersecurity, or equivalent practical expertise

3+ years of experience in cybersecurity engineering, OT security, or system engineering within critical infrastructure

Deep understanding of defence-in-depth, network segmentation, vulnerability management, and secure system integration

Ability to balance cybersecurity objectives with safety, legacy, and lifecycle constraints of railway operations

Proactive, analytical mindset with strong ownership and clear communication

Fluency in English (C1) and willingness to travel internationally proactive analytical mindset ownership cybersecurity engineering (OT/rail)

OT security system engineering for critical infrastructure

📌 Engineering Cybersecurity Specialist - Rail Signalling - Siemens (Madrid)
🏢 Siemens
📍 Madrid