COMSA Corporación is a leading Spanish group in the infrastructure and engineering sector with over 130 years of history. The company specializes in large-scale construction, railway infrastructure, industrial engineering, and environmental services, operating as one of the most significant unlisted players in the Spanish market with a global presence spanning more than 20 countries.

Headquartered in Barcelona, COMSA maintains a robust network of offices and projects throughout Spain, including major hubs in Madrid. For international professionals, the company offers opportunities in high-tech engineering and project management, often involving cross-border collaboration and a focus on innovation and sustainability in complex infrastructure developments.

Founded in 1891 in Reus, COMSA began as a railway construction specialist. Over the century, it expanded into general construction and industrial engineering, merging with EMTE in 2009 to consolidate its position as a global infrastructure leader.

Mechanical Technician - Engine Expert (Heavy Machinery)

COMSA Corporación

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Job Description

🚆 Some projects are built.

And others leave a mark.

At COMSA Corporación, we have spent more than 135 years being part of projects that transform reality: infrastructure, engineering, and services that are present in people's daily lives. At GMF Railway Maintenance Services, we specialize in railway maintenance, ensuring the availability and correct operation of rolling stock. We bet on talent, innovation, and the commitment of people to continue driving more efficient and sustainable mobility.

We are more than 6,000 professionals united by a single way of doing things:

with quality, commitment, and a vision for the future.

But what truly defines us goes beyond...

👉 how we work

👉 how we collaborate

👉 and with whom we do it

Behind every project, there are people who get involved, who provide criteria, and who know that details make the difference.

That is our way of moving forward. If it matches yours, we would be delighted to meet you.

What are we looking for?

We want to add a Maintenance Technician to the team:

What will you do in your day-to-day?

- Perform mechanical maintenance and repairs of railway material according to client plans, meeting deadlines and quality standards.

- Estimate, select, and manage materials to repair or replace defective parts.

- Ensure compliance with occupational safety (OHS) and railway regulations, using protective equipment and applying the training received.

You are the ideal person if you bring....

Vocational training in mechanics/electronics.
Knowledge of technical diagrams.
Minimum 2 years of experience in a similar position

What will you find at COMSA?

🧩 A close-knit team, where knowledge is shared and learning happens every day

📈 Continuous training and real growth opportunities

💼 Competitive compensation

Shall we take the next step?

👉 We want to get to know you. Apply and let's start building together.

At COMSA Corporación and GMF Railway Maintenance Services, we promote diverse, inclusive, and equitable environments, where talent is valued without barriers or labels. We bet on equal opportunities, encourage the participation of women in underrepresented fields, and guarantee objective and fair selection processes.

View original advert (Spanish)

Descripción del puesto

🚆 Hay proyectos que se construyen.

Y otros que dejan huella.

En COMSA Corporación llevamos más de 135 años formando parte de proyectos que transforman la realidad: infraestructuras, ingeniería y servicios que están presentes en el día a día de las personas En GMF Railway Maintenance Services nos dedicamos al mantenimiento ferroviario, asegurando la disponibilidad y el correcto funcionamiento del material rodante. Apostamos por el talento, la innovación y el compromiso de las personas para seguir impulsando una movilidad más eficiente y sostenible.

Somos más de 6.000 profesionales unidos por una misma forma de hacer las cosas:

con calidad, compromiso y visión de futuro.

Pero lo que realmente nos define va más allá...

👉 cómo trabajamos

👉 cómo colaboramos

👉 y con quién lo hacemos

Detrás de cada proyecto hay personas que se implican, que aportan criterio y que saben que los detalles marcan la diferencia.

Esa es nuestra forma de avanzar. Si encaja con la tuya, estaremos encantados de conocerte.

¿Qué buscamos?

Queremos sumar al equipo un/a a un/a Técnico/a de Mantenimiento:

¿Qué harás en tu día a día?

- Realizar mantenimiento y reparaciones mecánicas de material ferroviario según los planes del cliente, cumpliendo plazos y calidad.

- Estimar, seleccionar y gestionar materiales para reparar o reemplazar partes defectuosas.

- Garantizar el cumplimiento de las normativas de seguridad laboral (PRL) y ferroviaria, usando equipos de protección y aplicando formación recibida.

Eres la persona ideal si aportas....

Formación profesional en mecánica/electrónica.
Conocimiento en esquemas técnicos.
Mínimo 2 años de experiencia en posición similar

¿Qué encontrarás en COMSA?

🧩 Un equipo cercano, donde se comparte conocimiento y se aprende cada día

📈 Formación continua y oportunidades reales de crecimiento

💼 Compensación competitiva

¿Damos el siguiente paso?

👉 Queremos conocerte. Inscríbete y empecemos a COMStruir juntos/as.

En COMSA Corporación y en GMF Railway Maintenance Services promovemos entornos diversos, inclusivos y equitativos, donde el talento se valora sin barreras ni etiquetas. Apostamos por la igualdad de oportunidades, fomentamos la participación de mujeres en ámbitos con menor representación y garantizamos procesos de selección objetivos y justos.