Job Description Key accountabilities: Act as main technical focal point for the customer for train performance topics Ensure conversion of customer and regulatory requirements into train level requirements & specifications (including Service requirements) Collect and analyze customer needs and requirements Perform operation analysis Develop a consistent set of train level requirements & specifications, complying with Alstom standards Lead functional analysis, specification and architecture in collaboration with Sub-systems Groups, esp. C&IS Derive requirements & specifications at Subsystem level (including Services requirements) Electrical & Functional interfaces (as complementary to Mechanical interface Train Architecture) Allocate requirements and specifications (including transverse requirements) to Sub-S Ensure consistency and compatibility between all Sub-S specifications Review and confirm Sub-S architecture and support Chief Engineer for technical arbitration and technical risk mitigation plan Support Sub-S and verify along project life cycle convergence toward requirements and specifications compliance Ensure Reliability activities and report on the reliability risk management Ensure Logistic Support Analysis (LSA) activities In case of maintenance option, ensure that TCO is being optimized Ensure Train verification and validation Define and perform all verification activities relevant for the project Define, organize and execute Train level validation, using Trainlab when relevant. Contribute to certification and Authorization in delivering requested deliverables (test report, train level documentation, …) and support certification and Authorization manager on technical topics During train revenue service lead technical open issues resolution in line with project strategy, from investigation to modification implementation and problem closure