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INTERNSHIP DETAILS

Alternance - Technicien Conception Mécanique (F/H) Nouvelles Energies

CompanyAir Liquide

LocationSassenage

Work ModeOn Site

PostedMay 21, 2026

Internship Information

Core Responsibilities

The role involves creating 3D components and 2D plans using SolidWorks and managing technical documentation via EPDM. The candidate will also work on product evolution projects, including the redesign of sub-assemblies for cost and weight optimization.

Internship Type

full time

Company Size

40487

Visa Sponsorship

Language

French

Working Hours

40 hours

Apply Now →

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About The Company

Air Liquide is a world leader in gases, technologies and services for industry and healthcare. Present in 72 countries with 67,800 employees, the Group serves more than 4 million customers and patients. Oxygen, nitrogen and hydrogen are essential small molecules for life, matter and energy. They embody Air Liquide’s scientific territory and have been at the core of the Group’s activities since its creation in 1902. Taking action today while preparing the future is at the heart of Air Liquide’s strategy. With ADVANCE, its strategic plan for 2025, Air Liquide is targeting a global performance, combining financial and extra-financial dimensions. Positioned on new markets, the Group benefits from major assets such as its business model combining resilience and strength, its ability to innovate and its technological expertise. The Group develops solutions contributing to climate and the energy transition—particularly with hydrogen—and takes action to progress in areas of healthcare, digital and high technologies. Air Liquide’s revenue amounted to more than 27.5 billion euros in 2023. Air Liquide is listed on the Euronext Paris stock exchange (compartment A) and belongs to the CAC 40, CAC 40 ESG, EURO STOXX 50, FTSE4Good and DJSI Europe indexes.

About the Role

Air Liquide Advanced Technologies provides efficient solutions for our customers in the space, scientific research and new energies (hydrogen and biogas) sectors, in the field of high and advanced technologies. It also provides innovative technologies for the needs of the Group's markets.

How will you CONTRIBUTE and GROW?

"La Business Unit Nouvelles Energies d’ AL-aT conçoit et vend des équipements pour les marchés de la transition énergétique : stations de distribution d'hydrogène (HRS) pour les véhicules électriques à pile à combustible et solutions de purification de CO2 pour le Groupe et pour des clients tiers. Ces marchés de la transition énergétique connaissent un développement dynamique en Amérique du Nord, en Europe et en Asie, qui sont autant d'opportunités de croissance pour AL-aT.

Vous effectuez cette alternance au sein du bureau d'études (BE) de la BU Nouvelles Energies. L'équipe est à taille humaine composée d'ingénieurs et techniciens. Le BE est en charge de la conception et l'industrialisation des équipements développés par les responsables produit."

Sous la responsabilité du Responsable BE et du Référent conception, votre parcours d'alternance s'articulera autour de deux piliers : la maîtrise technique de la 3D / 2D et la rigueur de la gestion documentaire.

Phase 1 : Maîtrise de l'outil et Standardisation
Modélisation 3D sous SolidWorks : Création de composants et de sous-ensembles (vannes, tuyauteries, châssis).

Mise en plan : Réalisation des plans de définition et d'ensemble en respectant les normes de cotation ISO.

Bibliothèque de composants : Nettoyage et création de pièces standards dans notre catalogue interne pour optimiser le temps de conception.

Phase 2 : Immersion dans l'outil EPDM (Data Management)
Gestion du cycle de vie : Apprendre à utiliser EPDM pour l'archivage, le versioning (indices de révision) et le flux d'approbation des plans.

Nomenclatures (BOM) : Extraire et vérifier les listes de pièces pour le service Achats et la Production.

Phase 3 : Projets d'Évolution (Le "Fil Rouge")
Développements de nouveaux produits : Concevoir nos équipements selon les besoins définis par nos responsables produit.

Modification de produits existants : Adapter nos équipements standards selon les besoins spécifiques des clients (via les responsables produit ou ingénieurs projet).

Reconception de sous-ensembles : DTC (design-to-cost) pour proposer des solutions plus compactes, plus légères ou plus faciles à monter.

Modèles 3D, plans 2D et nomenclatures

Are you a MATCH?

profil recherché : Bac +2 (BTS/DUT) BTS Conception de Produits Industriels - CPI

Vous avez suivi une formation en conception mécanique et acquis une première expérience sur SolidWorks (cours ou stage). La connaissance d'un outil PDM est un plus

Rigueur : En cryogénie ou avec de l'hydrogène, la rigueur est indispensable. Vous êtes précis(e) et appliqué(e).
Curiosité : Compréhension des spécificités liées à notre activité (aspects sécurité, socio-économiques, outils, conception, fabrication)
Esprit d'équipe : Le BE travaille en lien direct avec les clients internes (la supply chain, la gestion de projet, le dev produit) comme les clients externes ou les fournisseurs.

Our Differences make our Performance

At Air Liquide, we are committed to build a diverse and inclusive workplace that embraces the diversity of our employees, our customers, patients, community stakeholders and cultures across the world.

We welcome and consider applications from all qualified applicants, regardless of their background. We strongly believe a diverse organization opens up opportunities for people to express their talent, both individually and collectively and it helps foster our ability to innovate by living our fundamentals, acting for our success and creating an engaging environment in a changing world.

Women in Engineering : “Myth VS reality” - Air Liquide

Key Skills

SolidWorks3D Modeling2D DraftingEPDMData ManagementBill of Materials (BOM)Mechanical DesignISO Dimensioning StandardsDesign-to-Cost (DTC)Industrialization