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Mechanical Designer of power electronic assembly

Location: Napoli, Napoli, Italy
Job ID: R0036895
Date Posted: Dec 22, 2023
Segment: Green Energy & Mobility
Business Unit: Hitachi Rail
Company Name: Hitachi Rail S.p.A.
Profession (Job Category): Other
Job Type (Experience Level): Experienced
Job Schedule: Full time
Remote: No

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Hitachi Rail is looking for an enthusiastic self-motivated Mechanical Designer of power electronic assembly who thrives in a fast-paced environment. The successful candidate is comfortable performing a wide range of tasks from administrative to strategic. The position is based in Napoli, Italy.

Who We Are


Hitachi Rail is a fully integrated, global provider of rail solutions across rolling stock, signalling, service & maintenance, digital technology and turnkey. With a presence in 38 countries across three continents and over 13,000 employees, our mission is to contribute to society through the continuous development of superior rail transport solutions.



  • Mechanical design of Power Electronic Converters for Railway Applications
  • Input Requirements Analysis to define detailed requirement for the mechanical design of Traction and Auxiliary Power Converters                                                                                
  • Power Converters 3D modelling in order to comply input requirements and optimize weight and volume       
  • Power converter CFD analysis and calculations to define materials, structural part sizing, welded and screwed joints.
  • Drafting and issue of detailed: 3D/2D component drawings, 3D/2D assembly drawing,  3D/2D mainframe drawings, welding and joining maps, bill of Material, technical specifications, testing specifications.
  • Verification of mechanical system integration onboard.
  • Power Converters assembly\components validation in routine and type test
  • Commissioning and service support

Required Skills/ Knowledge

  • Good  knowledge of reference standards for power electronics on railway applications.
  • Good  knowledge of main railway electronic circuit and components.
  • Excellent knowledge of materials for structural frames (Stainless steel, carbon steel, aluminium, ….).
  • Excellent  knowledge of technological processes (welding, brazing, painting, gluing, corrosion protection, machining, …).
  • Good knowledge of main power electronics cooling system (Natural air, forced air, liquid, blower and pump characteristiscs, etc.).
  • Excellent knowledge of 3D modelling with CREO Parametric and use of other 2D/3D CAD tools for development of mechanical drawings.
  • Excellent knowledge of G_PLM-CREO CAD integration.
  • Excellent knowledge of FEM-CFD simulation tools (Hypermesh, Simulate, Comsol, Amesim, etc ..).
  • Excellent knowledge of hydraulic and areaulic test circuit, measurement and experimantation
  • Excellent knowledge of hydraulic and air-cooling components and technology (Blower, Pump, radiators, coldplates, Heatsink, piping, valve, tanks, sensors, etc.)
  • Excellent knowledge and use of electrical CAD tools for development of schematics and wiring diagram (Autocad, etc.).
  • Excellent Capability to manage projects from the requirements definition phase to the final validation and analysis of the feedbacks from the field.
  • Excellent knowledge of GPLM management process.
  • Team working and problem-solving capability.
  • External resource/supplier management capability.
  • Excellent knowledge and use of the main office automation softwares / tools.

Desired Skills/ Knowledge

  • Focus on Innovation and new mechanical and material technology
  • Knowledge of green Traction technology
  • Analytic approach
  • Flexibility
  • Result orientation
  • Readiness to travel occasionally

Education / Qualifications

Master's Degree in Mechanical Engineering


Good knowledge of written and spoken English


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