Rolling Stock Testing & Commissioning Engineers

Join the world of the future in a fast-growing international company!

At SEGULA Technologies you will have the opportunity to work on exciting projects and help shaping the future within an engineering company which is at the heart of innovation. SEGULA Technologies serves Clients in the automotive, energy and rail sectors in the UK. We focus on design, construction, installation, commissioning, operation, maintenance, decommissioning and dismantling also covering logistics and documentation.

We are seeking an experienced Rolling Stock Testing & Commissioning Engineers to join our engineering team in Stockholm. This role sits within a leading rail OEM working on the delivery of new rolling stock programmes for the European market. You will play a key role in ensuring vehicles are tested, validated, and commissioned in line with technical, contractual, and regulatory requirements.

This is an excellent opportunity for a hands‑on engineer who enjoys working across depots, test tracks, and customer sites in a technically challenging environment.

Key Responsibilities

• Execute and manage testing and commissioning activities for new rolling stock projects (static, dynamic, and on‑track testing).
• Prepare, review, and approve test procedures, test specifications, and commissioning documentation.
• Lead fault diagnosis, troubleshooting, and root‑cause analysis during testing and commissioning phases.
• Interface closely with design engineering, manufacturing, quality, safety, and project teams to resolve technical issues.
• Ensure compliance with European standards, TSIs, safety cases, and customer technical requirements.
• Support homologation, type approval, and final handover of vehicles to the customer.
• Liaise with customers, suppliers, and certification bodies during testing activities.
• Provide technical input to risk assessments, change management, and lessons‑learned processes.

• Degree or equivalent qualification in Electrical, Mechanical, Systems, or Railway Engineering.
• Minimum 5 years’ experience in testing and commissioning of rolling stock within a European train manufacturing (OEM) environment.
• Strong knowledge of rolling stock subsystems (e.g. traction, TCMS, brakes, HVAC, doors, communications, or auxiliaries).
• Practical experience with fault finding on new build or refurbished trains.
• Good understanding of European rail standards, TSIs, EN norms, and safety processes.
• Ability to work independently on depot and site‑based activities.
• Willingness to travel occasionally within Sweden and Europe.

Desirable

• Experience working on metro, commuter, or mainline passenger vehicles.
• Familiarity with commissioning in Nordic or Scandinavian rail networks.
• Knowledge of vehicle software integration and TCMS testing.
• Experience supporting entry‑into‑service activities.