HVAC professional Engineer

Job ID

487289

Posted since

03-Dec-2025

Organization

Mobility

Field of work

Engineering

Company

SIEMENS MOBILITY, S.L.U.

Experience level

Mid-level Professional

Job type

Full-time

Work mode

Hybrid (Remote/Office)

Employment type

Permanent

Location(s)

Tres Cantos - Madrid - Spain

Siemens Mobility is a separately managed company of Siemens. As a leader in transport solutions for more than 160 years, Siemens Mobility is constantly innovating its portfolio in its core areas of rolling stock, rail automation and electrification, turnkey systems, intelligent traffic systems as well as related services. With digitalization, Siemens Mobility is enabling mobility operators worldwide to make infrastructure intelligent, increase value sustainably over the entire lifecycle, enhance passenger experience and guarantee availability.

Mobility Management, Turnkey Projects & Electrification, Mainline Transport, Urban Transport and Customer Services. They have the know-how to make road traffic flow more smoothly and quickly, make trains more environmentally friendly and efficient, make train schedules and freight shipments more reliable. We work with our customers to develop optimal solutions to help overcome their challenges.

Join Our Rolling Stock Team in Madrid as a HVAC Professional Engineer (m/f/d)

Shape the future of sustainable mobility

We are looking for a passionate HVAC Engineer to join our Rolling Stock team in Madrid. In this role, you will contribute to the development of advanced air conditioning systems for cutting-edge rail vehicles, ensuring comfort, efficiency, and sustainability for passengers worldwide.

Your mission – dynamic and impactful

Work on innovative HVAC concepts for next-generation rail vehicles.

Participate in both customer-specific projects and research & development for future vehicle generations.

Collaborate with internal design and development teams, ensuring seamless integration of HVAC systems.

Support suppliers in the design, construction, manufacturing, and testing of HVAC components.

Organize and oversee air-conditioning measurements and optimizations on vehicles.

After a comprehensive onboarding, take full responsibility for individual projects.

Your key responsibilities

Develop and refine air conditioning concepts for rail vehicles.

Use calculation and simulation tools to design and optimize HVAC systems.

Prepare technical specifications and milestone plans.

Participate in supplier selection and management throughout the development process.

Drive design-to-cost initiatives to ensure efficiency and competitiveness.

Coordinate design interfaces with other engineering departments.

Review drawings and parts lists for accuracy and compliance.

Supervise component and system testing at supplier sites.

Organize and monitor vehicle-level tests and optimizations.

Present results internally and externally with clarity and confidence.

Why join us?

Be part of a global leader in rail technology, shaping sustainable transportation.

Work in a collaborative, international environment with cutting-edge projects.

Enjoy opportunities for innovation, professional growth, and career development.

Contribute to solutions that enhance passenger comfort and environmental performance.

What You Bring

• Completed degree in mechanical engineering, vehicle construction or comparable.
• Professional experience in the field of air conditioning (preferably in the air conditioning of rail vehicles) or in the field of rail vehicle technology is desirable.
• Knowledge of air conditioning (at least basic theoretical knowledge)
• Theoretical knowledge in the field of thermodynamics
• Knowledge in the field of rail vehicle technology is desirable
• Knowledge of refrigeration circuits and their components is desirable
• Knowledge in the field of rail vehicle air conditioning and the associated standards and regulations is desirable
• Knowledge of the creation of requirement specifications and specifications is desirable
• Basic knowledge of construction is desirable
• Good written and spoken English, Spanish nice to have.

Additional Information

Our customers and suppliers are based around the world. We assume the willingness to occasionally travel abroad.

If we all thought the same, we would never think of anything new That's why we recruit great minds from all walks of life. We recognise that building a diverse workforce is essential to the success of our business, therefore we encourage applications from a diverse talent pool. We welcome the opportunity to discuss flexibility requirements with our applicants to encourage agile working and innovation. Flexibility is our main benefit. We combine remote and presence work because work-life balance and wellbeing are essential for our teams. We are convinced that stay at home allow us to focus on activities that need more time for concentration and being at the office enhance our creativity collaborating and learning from others.

Siemens aboga por la igualdad de oportunidades entre mujeres y hombres, así como en la Diversidad como fuente de creatividad e innovación. Contar con diferentes tipos de talento y de experiencias nos hace ser más competitivos y estar mejor preparados para responder con éxito a las demandas de la Sociedad. Por ello, valoramos a las candidatas y a los candidatos que reflejen la Diversidad que disfrutamos en nuestra Compañía y animamos la cobertura de puestos por mujeres y hombres en ocupaciones que se encuentren subrepresentadas.