Rail Network & Cybersecurity Architect

Hitachi, Ltd.; København; On-site; DKK 673,000 - 972,000; Full time

Job summary

Hitachi Rail Denmark is seeking a Network and Cybersecurity Architect to design and implement the network and cybersecurity architecture for the ERTMS L2 signalling system. You will collaborate with the Project Design Authority (PDA), German design teams, and local engineers to ensure robust security and compliance across the project.

The role requires hands-on expertise in cybersecurity frameworks, risk assessment, and infrastructure, with a focus on ISO 27001/27002, NIS2, and the Cyber

Qualifications

• A technical degree in Network Security, Cybersecurity, or a related field.
• In-depth experience with ISO 27001/27002 and IEC62443 standards.
• Hands-on experience designing secure Layer 2 and Layer 3 networks, including VPNs.
• Strong understanding of NIS2, CRA, PKI (certificate management), and virtualization technologies.
• Proven ability to assess and manage security risks and vulnerabilities.
• Excellent communication skills in English (written and verbal).
• Familiarity with railway systems and safety-critical environments is an advantage but not required.

Responsibilities

• Design and implement network and cybersecurity architecture in collaboration with the Project Design Authority (PDA).
• Develop and maintain a robust Network and Cybersecurity strategy for the project.
• Align with the IT Network and Cybersecurity Engineer, as well as the operational security officer.
• Ensure compliance with ISO 27001/27002 across all system design, processes, and training activities.
• Lead strategy and implementation efforts for NIS2 and CRA compliance.
• Assess and manage cybersecurity risks and vulnerabilities, working proactively with both internal teams and external stakeholders.
• Oversee security incident response, including coordination of the Information Security Incident Response Team.
• Manage subcontractors supporting security workstreams.
• Provide regular status updates, risk reports, and KPIs to the Project Design Authority.
• Maintain and update the cybersecurity risk matrix.

Skills

Network Security

Cybersecurity

ISO 27001/27002

IEC62443

NIS2

CRA

PKI

Virtualization

Risk Management

English Communication

Education

Technical degree in Network Security/Cybersecurity

Tools

VPNs

PKI

Virtualization Technologies

Job description

Hitachi Rail Denmark is seeking a Network and Cybersecurity Architect to design and implement the network and cybersecurity architecture for the ERTMS L2 signalling system. You will collaborate with the Project Design Authority (PDA), German design teams, and local engineers to ensure robust security and compliance across the project.

The role requires hands-on expertise in cybersecurity frameworks, risk assessment, and infrastructure, with a focus on ISO 27001/27002, NIS2, and the Cyber