Network and 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

About Us

A career at Hitachi Rail will help create a legacy. With operations in every corner of the world, our work goes to the cutting-edge of digital transformation and technology. From the multi‑cultural strength of our global organisation to the sustainable and innovative ways we work to bring people together, there’s something for everyone to get stuck into. And that’s where you come in.

Job Description

About the Role

As the Network and Cybersecurity Architect, you will be responsible for designing and implementing the network and cybersecurity architecture for Hitachi Rail DenmarksTMS infrastructure, supporting the ERTMS L2 signalling system for the F‑Bane project. You will collaborate closely with our design team in Germany, local engineering colleagues, and external partners. This role requires both strategic vision and hands‑on technical expertise in cybersecurity frameworks, compliance, and infrastructure.

You’ll be a key contact for customer dialogue and responsible for aligning the solution with ISO 27001/27002, NIS2, and the Cyber Resilience Act (CRA).

The Team:

You are joining a international team, with a down to earth culture where we work together to reach our goals. Sometimes we have deadlines to deliver, and we walk the extra mile. Therefor we also make an effort to do social events together.

Being a part of the F‑bane team means to work together, support each other, learn from each other and develop constantly and celebrate the victories as one collective effort.

Key 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.

Your Skills & Experience

We’re looking for candidates who bring a strong technical background and a collaborative mindset. You should have:

• 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.

Why Join Us?

This is an opportunity to work at the forefront of digital transformation in the rail sector, contributing to a safer, smarter European transport network. At Hitachi, we foster an environment where innovation, collaboration, and diversity thrive. You’ll be part of an international team and play a vital role in shaping critical infrastructure.

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At Hitachi Rail, there is a place for everyone. We welcome and value differences in background, age, gender, sexuality, family status, disability, race, nationality, ethnicity, religion, and world view. It is our commitment to create an inclusive environment - we are proud to be an equal opportunity employer.