Cyber Security Tester (IEC 62443-4-2 Compliance)

With over 140 years of Swiss engineering heritage, Sécheron Hasler Group is a global leader in high-power electrical and electronic equipment. Our solutions power railways, renewable energy, DC and AC networks, and industrial systems worldwide trusted for their precision, reliability, and innovation.

At the heart of modern rail infrastructure, our Traction Power Systems unit delivers cutting-edge DC and AC traction substations, protection systems, power conversion and digital monitoring solutions. Join us to shape the future of sustainable mobility with technology that keeps cities and countries moving. For the expansion of our team, we are seeking to hire in Geneva a dynamic and motivated Cyber Security Tester.

You will be the security reference inside the development teams building our protection relay platform, which integrates PLC functions and protocol-gateway capabilities for railway substations. The product runs on a Yocto-based Linux system.

Your mission : ensure conformity with IEC 62443-4-2, challenge the application of IEC 62443-4-1 in the development workflow, and help the teams establish a robust security-testing process aligned with agile sprints.

Main tasks :

• Drive security conformity testing for IEC 62443-4-2 across the product.
• Design, deploy, and maintain your own testing tools, scripts, and procedures.
• Produce structured reports and evidence for internal reviews and certification activities.
• Participate directly in development sprints, bringing security input into day-to-day discussions and decisions.
• Challenge and support the implementation of IEC 62443-4-1 practices within engineering teams.
• Contribute to building a repeatable workflow for security testing across the product lifecycle.

Requirements

Nice to have