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ALTEN

HVAC Engineer - Energy (W/M)

Lyon, Auvergne-Rhône-Alpes, France

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hirly's read of this role

Role family
Skilled trades
Seniority
Mid level
Country
FR
Work mode
On-site / unstated
First seen by hirly
12 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

As an HVAC Engineer, you will be responsible for the design, installation, and maintenance of heating, ventilation, and air conditioning systems for projects in the nuclear sector. Your responsibilities will include: 

  • Needs Assessment: Analyze input data and evaluate requirements for thermal comfort and air quality. 
  • Thermal and Airflow Studies: Conduct thermal and airflow analyses and size ventilation systems. 
  • Technical Documentation: Prepare technical reports and contribute to layout planning. 
  • Installation Supervision: Oversee the installation of systems on-site and participate in commissioning tests. 

Profile 

You hold a degree from an engineering school or a Master’s degree (Bac +5) and have prior experience in a similar role, ideally in an agile environment. You demonstrate a strong interest in the technical aspects of this field. 

Key Skills 

Proficiency in professional English and French 

  • A solid understanding of nuclear safety culture, adopting its principles and methods daily 
  • Knowledge of the fuel cycle and the functioning of PWRs (Pressurized Water Reactors), including associated risks and challenges 
  • Familiarity with the nuclear environment and best practices for safety-critical activities (installations, systems, equipment, operations, etc.) 

If this describes you, don’t wait—APPLY and join the ALTEN adventure! 

ALTEN offers a dynamic engineering culture and passion for technology, high-value-added projects, mobility opportunities, and personalized career development within an innovative and stimulating environment:  

 

  • Growth opportunities : ALTEN boots your career, enabling rapid growth aligned with your aspirations. With dedicated support, access to training, and certification opportunities, you can enhance your expertise and progress across our four career paths: Specialists, Project Management, Business Management, and Support Functions. 
  • Sustainable Innovation: Participate in technological innovation projects within a creative, innovative, and solution-driven environment. ALTEN sees sustainability challenges as opportunities to drive research and innovation. With 31% of our internal R&D focused on sustainable innovation, we aim to turn challenges into value-creating solutions that propel progress. 
  • Environmental Responsibility: ALTEN is committed to minimizing its environmental impact while promoting sustainable growth. Our objective is to achieve net-zero emissions by 2050, a goal that guides our operations and strategic initiatives. 

As a leader in Engineering and IT Services, ALTEN comprises nearly 60,000 employees, 88% of whom are engineers. Operating in more than 30 countries, the Group supports its clients' development strategies in the fields of innovation, R&D, and technological information systems.  

ALTEN is involved in major projects, including :  

  • Maintenance and modernization of the operational nuclear fleet  
  • Spare parts supply and stock management for the French nuclear fleet 
  • Support for nuclear submarine program management 
  • Design of wind turbines 
  • Digitalization of maintenance for installations 
Original posting on ALTEN's site ↗

Listed on hirly, a job board. hirly is not the employer: ALTEN is hiring for this role.

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