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External opportunity

HVAC Engineer - Energy (W/M)

Lyon, Auvergne-Rhône-Alpes, France Full-time

Posted 12 Oct 2026 · Engineering

Job description

Description du poste 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.  Qualifications 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!  Informations supplémentaires 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.  Description de l'entreprise 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
Pay, skills & work eligibility

Compensation

A clear compensation amount was not identified. Ask the employer for the range, currency, pay period and whether it covers base pay or total compensation.

Location, eligibility & working hours

Listed work location
Lyon, Auvergne-Rhône-Alpes, France
Visa sponsorship
Not stated clearly
Relocation support
Not stated clearly
Working hours / time zone
Not stated clearly

Remote does not automatically mean work from any country. A location match does not confirm work authorization, sponsorship or relocation eligibility.

Requirements at a glance

Project management · requirementAgile · requirement

Named skills identified in the listing. A mention is not always a requirement; read the full description and employer conditions.

Location & work arrangement

Listed work locations

  • Lyon, Auvergne-Rhône-Alpes, France

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