Cyber Security Tester (IEC 62443-4-2 Compliance)
Sécheron SASwitzerland3 days ago
Full-timeEngineering, Information Technology
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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
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.
- 3-5 years of experience in cybersecurity testing or equivalent experience with industrial or embedded products.
- Ability to work autonomously: deploying tools, automating checks, setting up test environments.
- Comfortable reviewing and interpreting security requirements and norms (IEC 62443 family, or similar).
- Scripting skills for automation (Python or equivalent).
- Strong communication and collaboration mindset, especially within agile development flows.
- Bachelor or Master in Computer Science, preferably with a minor on Cyber Security
- Hands-on experience with industrial or embedded systems
- Practical experience applying security standards (IEC 62443 or similar)
- Proven experience building a custom testing bench and related tooling scripts (Python or equivalent)
- Proven collaboration with a development team
- Professional English, with willingness to learn French fluently.
- Experience with industrial protocols or railway-related systems.
- Experience with test of RADIUS, PKI, TPM, Secure boot technologies
- Familiarity with embedded hardware test setups.
- Solid understanding of Linux-based systems; Yocto experience is a plus.
Key Skills
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