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In order to offer you services likely to be of interest to you, to find out about our activities and news, the Masteris Marketing and Communication department collects and keeps information about you. The legal basis of the processing is the legitimate interest in accordance with the European Data Protection Regulation. The information collected is kept for three years from the date of its collection or from the last contact between our two companies and is accessible only by the Marketing and Communication department and the members of the Masteris Business Units concerned. You have the right to access, rectify, delete and make available the information that concerns you, as well as the right to oppose and limit the processing that you can exercise by writing to DPO_MASTERIS@masteris.com. If, after contacting us, you feel that your rights are not being respected, you may submit a complaint online to the CNIL or by post. For more information, please consult our privacy policy on the Masteris website.

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Railway engineering

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Innovative and experienced railway engineering

The multidisciplinary teams of MASTERIS and SNCF Matériel's Railway Engineering Division have expertise in over 90 railway specialties. Thanks to this wide range of expertise, they can work on all types of rolling stock.

High-speed trains
Tram-train and tramway
Self-propelled electric and thermal
Locomotives and locatractor
masteris engineering cluster

Technical solutions for all your rail issues

The services offered by MASTERIS are structured around the 10 key needs of our customers throughout the lifecycle of their rolling stock.

A complete panel of services meeting each of these needs through our 4 activities.

In terms of maintenance and design engineering, MASTERIS has 3 key assets to support its customers:
- The experience and diversity of expertise of SNCF Matériel and its railway engineers
- A unique network of specialized maintenance workshops
- The skills of Europe's largest design office specializing in railway rolling stock.

masteris global service offer railway engineering

Our offer of customized services

Discover our range of maintenance and railway engineering services tailored to your specific needs.

Our activities

Renovation and modernization

Giving a second life to your railway rolling stock


From simple repair to complete refurbishment, MASTERIS excels in taking care of various types of rail vehicles, including locomotives, TGVs, streetcars, metros and railcars. As a major player in railway engineering, MASTERIS offers you a turnkey solution. Our contractual commitment to costs and deadlines is solidly backed by our industrialization studies, guaranteeing you total transparency. Our teams of design engineers will deploy their skills to develop solutions aligned with your operational constraints.


To maintain or improve your operational performance without having to invest in new equipment, we work to extend the life of your railway assets. At MASTERIS, we specialize in integrating the latest technological advances in railway engineering, as well as new functionalities. We also offer to replace only the parts you need, in line with your performance, safety and reliability objectives.


Keolis Nancy
Opter CFL

Renovation of TER2NNG trains


Installation of the TBL1+ system on E300 high-speed trains

Operational maintenance

Guaranteeing the performance of railway rolling stock


MASTERIS offers "full service", a reliable, flexible turnkey engineering solution with a controlled, long-term budget for a wide range of services. We also offer one-off services on specific points, such as safety tests, diagnostics and troubleshooting.


We have a wealth of experience in railway maintenance, gained on a wide range of rolling stock. Thanks to our mastery of the various ECM functions, we can guarantee our customers the best conditions of comfort, reliability, safety and availability for their fleet.


(Venice Simplon Orient Express)
Captrain Mesea

Transdev Rouen
Keolis Bordeaux

Railway engineering

A wide range of technical expertise dedicated to your rolling stock


Rail expertise on all types of rail components and sub-systems: bogies, brakes, safety equipment, body structures, interior fittings, on-board electronics, HVAC, etc.

Train expertise: control command, aerodynamics, fire and smoke, mass balance, energy savings, braking distance calculations, various numerical simulations, etc.


Studies and piloting of mechanical, electrical and software modifications within the framework of transformation, greening, or integration projects of new equipment such as ERTMS for example.

Support to the realization of maintenance: ECM A and B services, optimization of the availability of a fleet, optimization of the reliability of a rolling stock, optimization of maintenance costs, implementation of predictive maintenance, etc.

Realization of static and dynamic test and validation programs, on bench and/or on train




Mesea, CFL, Eurostar, Thalys, Ouigo Spain, Keolis, Transdev

Railway companies

Our Railway Engineering Team


Director of Engineering Tenders & Projects

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Head of the Design Engineering Division

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Sylvain CHANU
Sylvain CHANU

Head of the Maintenance Engineering and ECM division

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For any business request, the form below is at your disposal. If you have a specific question, you can send it directly to the department concerned by e-mail.

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4 Rue André Campra
93212 Saint-Denis