As a member of the onboard project Verification & Validation team you will: Define and review the test procedures for the onboard ETCS sub-system, Run tests, analyze the results and write test reports: factory integration, static commissioning onboard the trains, dynamic functional tests on test and open tracks, Support the deployment and maintenance of the test bench and tools to carry out the tests, Organize and perform troubleshooting in case of failure, Formalize anomaly reports, Define regression test strategies after anomaly correction in coordination with the back-office engineering team, Provide support and technical expertise to the other teams, Manage configuration and change management cycle related to V&V activities and documents (simulation configuration, anomaly tracking, site result reports etc.). At least 2 years in relevant positions (systems/sub-systems integration, embedded equipment, electrotechnical product or software development/testing) in a highly complex and normative environment (pharma, railway signalling, aerospace, naval, defence, nuclear) would be a significant asset.