Climatic comfort - HVAC- System Engineer (M/F)

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Date: 4 Nov 2023

Location: Saint-Ouen, J, FR

Company: Alstom

Req ID:407527 

Leading societies to a low carbon future, Alstom develops and markets mobility solutions that provide the sustainable foundations for the future of transportation. Our product portfolio ranges from high-speed trains, metros, monorail, and trams to integrated systems, customised services, infrastructure, signalling and digital mobility solutions. Joining us means joining a caring, responsible, and innovative company where more than 70,000 people lead the way to greener and smarter mobility, worldwide 

ID 407527


As a Climatic comfort System Engineer, you are responsible for passenger climatic comfort and for its system integration, made of HVAC, heaters and air distribution mainly. You thus endorse and ensure compliance with the Customer and Certification requirements on this scope by performing the following activities,


Your Responsibilities and activities:

  • Specify the climatic comfort performances, at the train level.
  • Define (or apply when already defined) the architecture of the function, allocating sub-functions to sub-system
  • Specify the sub-system requirements (HVAC, Heaters), to meet the required performances, achieve the required function and respect multidisciplinary constraints or guidelines (for instance Safety, EMC, Eco-design, Maintenance, Fire safety etc …)
  • Define the HVAC or heater required thermal performance, define the thermal targets, and budget them to the contributors (through K factor budget a)
  • Lead climatic comfort design especially through the CFD computations steering the duct network design and its match with the HVAC
  • Close the loop with the component suppliers, especially the HVAC, on the design compliance with your requirements
  • Technically steer the supplier development, through design gate review and Mean of Proof approval
  • present/support the project team in front of the final Customer, to review the design and share the development.
  • identify the technical risks and development of associated mitigation plans throughout the project development phase.
  • Lead the verification and validation activities of climatic comfort function & sub-system integration
    • tunning the system especially on air distribution, also by mock-up test (on the top of CFD) when needed
    • defining and steering the verification and validation plan
    • specifying Type test (functional and performances) and approve their result
  • Lead the HVAC system reliability growth by performing Root cause analysis with help of reliability engineers during revenue service (if needed)


This role will also give you a very good understanding/exposure both at the train level and other key systems of trains (ex: Onboard energy system, auxiliary power system, etc..).


As a climatic comfort system engineer, you will be part of the train system team which is a multi-discipline and multi-cultural team composed of 20+ system engineers who work on different systems (On board storage system, etc..) of the train. At the same time, you will be part of a global Alstom community (core competency network) of climatic comfort.


Your Profile:


  • Engineering degree with preferably Thermal and Fluid dynamic backgrounds
  • 5 years of  working experience in engineering, preferably in the climatic comfort field,
    • With performance and function responsibility at the vehicle level,
    • In an industrial context, from design to entry into service, through all development phases with multiple and multidisciplinary partners
  • Leadership
  • Strong analytical skills, and self-reliant
  • Excellent oral and written communications skills
  • Fluent in English and French
  • Available to travel in France and abroad for short-term missions


Alstom is the leading company in the mobility sector, solving the most interesting challenges for tomorrow’s mobility. That’s why we value inquisitive and innovative people who are passionate about working together to reinvent mobility, making it smarter and more sustainable. Day after day, we are building an agile, inclusive and responsible culture, where a diverse group of people are offered opportunities to learn, grow and advance in their careers, with options across functions and geographic locations. Are you ready to join a truly international community of great people on a challenging journey with a tangible impact and purpose?  


Equal opportunity statement:
Alstom is an equal opportunity employer committed to creating an inclusive working environment where all our employees are encouraged to reach their full potential, and individual differences are valued and respected.  All qualified applicants are considered for employment without regard to race, colour, religion, gender, sexual orientation, gender identity, age, national origin, disability status, or any other characteristic protected by local law. 


Job Segment: HVAC, Operations

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