Railway Commissioning Engineers / Technicians (Rolling Stock) – Freelance/Contract

Barcelona | Start: End of July 2026 | Long-term programme through 2027

We’re supporting a major European rolling stock programme and are looking for 2 Railway Commissioning Engineers / Technicians (freelance) to join a long-term international project. You’ll support the commissioning of over 100 train units during the pre-series and series production phases, working across multiple European locations.

Responsibilities

Perform static and dynamic commissioning of railway vehicles and subsystems

Execute commissioning procedures, test protocols and startup activities

Complete commissioning documentation and test reports

Record commissioning status and test results

Troubleshoot technical issues during commissioning and testing





Support validation teams during vehicle integration and acceptance activities

Collaborate closely with client commissioning and validation engineers

Requirements

Previous experience in railway commissioning (Engineer or Technician level)

Experience with rolling stock, railway vehicles, onboard systems or railway subsystems

Ability to work independently in an on-site environment

Experience following structured test procedures and technical documentation

Experience within international railway projects

Willingness to travel extensively and work across multiple European locations (Spain, France)

📌 Commissioning Engineer (Railway, Rolling stock) - Excellent Daily rate (Madrid)
🏢 Optimus Search
📍 Madrid