Network and Cybersecurity Architect

Hitachi Automotive Systems Americas, Inc.; Ballerup; On-site; DKK 900,000 - 1,300,000; Full time

Job summary

Hitachi Rail Denmark A/S is seeking a Network and Cybersecurity Architect to design and implement the security and network for the F-Bane project. You will work with the Project Design Authority and international teams to ensure robust ISO 27001/27002 alignment and NIS2/CRA compliance in a railway environment.

The role requires hands-on expertise, strong communications in English, and the ability to manage cybersecurity risks, vendor relationships, and security incidents across cross‑functional

Qualifications

• - Technical degree in Network Security, Cybersecurity, or related field.
• - ISO 27001/27002 and IEC62443 experience.
• - Layer 2/3 security design including VPNs.
• - Knowledge of NIS2, CRA, PKI, and virtualization.
• - Ability to assess and manage security risks.
• - Fluent English communication.

Responsibilities

• - Design and implement network and cybersecurity architecture with the Project Design Authority (PDA).
• - Develop and maintain a robust Network and Cybersecurity strategy for the project.
• - Align with IT Network and Cybersecurity Engineer and operational security officer.
• - Ensure ISO 27001/27002 compliance across systems and training.
• - Lead strategy for NIS2 and CRA compliance.
• - Assess and manage cybersecurity risks and vulnerabilities.
• - Oversee security incident response and IR team.
• - Manage subcontractors supporting security workstreams.
• - Provide status updates, risk reports, and KPIs to PDA.
• - Maintain cybersecurity risk matrix.

Skills

Network Security

Cybersecurity

ISO 27001/27002

IEC62443

Layer 2/3 Networks

VPNs

NIS2

CRA

PKI

Virtualization

English Communication

Education

Technical degree in Network Security/Cybersecurity

Job description

Location: Copenhagen, Denmark Job ID: R1010053 Date Posted: 2026-07-07 Company Name: Hitachi Rail Denmark A/S Profession (Job Category): IT, Telecom & Internet Job Schedule: Full time Remote: No

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.

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. Therefore 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.

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.

Hitachi brings together the world’s greatest minds to help breathe life into new possibilities – and drive innovation for a better future. That’s why we look for individuals who share our pioneering spirit, have imaginative ideas and are fearless when it comes to tackling the world’s biggest challenges. Our people love technology – and they love making a difference. They have a passion for finding new solutions and working with brilliant colleagues. Every day they dedicate themselves to a huge range of exciting projects, contributing to the Hitachi vision around the globe. From engineering new sustainability solutions that conserve water and energy to creating the infrastructure for the smart cities of tomorrow, there’s no challenge too great for our pioneers. And there’s no shortage of opportunities for you to make a difference. Come and experience the dynamic, collaborative and creative environments where your ideas are welcome and new discoveries are waiting. To help you grow to your full potential, we strive to support our employees in their career aspirations and promote the freedom to explore new horizons.