INTERNSHIP DETAILS

Alternance - Ingénieur Cybersécurité - F/H

CompanyAir Liquide
LocationLa Boissière-des-Landes
Work ModeOn Site
PostedJuly 23, 2026
Internship Information
Core Responsibilities
The role involves managing cloud infrastructures (AWS, GCP) and implementing new security tools for the CSIRT. Key tasks include detection engineering, analyzing false positives, and conducting cyber threat intelligence research.
Internship Type
full time
Company Size
40169
Visa Sponsorship
No
Language
French
Working Hours
40 hours
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About The Company
Oxygen, nitrogen, hydrogen, and many other essential small molecules are the invisible pillars of our world and our lives. They have been at the core of the Group’s activities since its creation in 1902. A world leader in gases, technologies and services for industry and healthcare, Air Liquide acts as the backbone of numerous economic sectors, serving 4.3 million customers and patients across 59 countries with approximately 65,000 employees. With revenues close to 27 billion euros in 2025, Air Liquide combines strong performance and useful growth. The Group is a leader with a diversified, resilient business model and a strong local footprint across the globe. Through deep engineering expertise and technological innovation, Air Liquide provides scalable solutions that enhance industrial efficiency, accelerate decarbonization, and strengthen value chains. Strategically exposed to growth markets and megatrends, the Group accompanies major industrial and societal transformations to create long term added value and build a sustainable future. 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 Dow Jones Best-in-Class Europe Index indexes.
About the Role

Entity description:

At Digital & IT, we harness the power of the latest technological advances and our history of industrial excellence to foster innovation and enable Air Liquide’s talents to thrive.


 

How will you CONTRIBUTE and GROW at Air Liquide?


 

Le mot du manager : Si la cybersécurité est votre passion, venez rejoindre une équipe sur les premières lignes de l’action !


 

Sous la responsabilité du directeur du CSIRT (Cyber Security Incident Response Team), vous participerez à tout ou partie des différentes missions du CSIRT:

  • Gestion des plateformes

    • Déploiement et gestion des infrastructures dans le cloud (AWS, GCP, …)

    • Maintien en conditions opérationnelles de ces infrastructures

    • Mise en place de nouveaux outils

  • Ingénierie de la détection

    • Test de règles de détection dans le lab

    • Analyse des faux positifs générés par les règles

    • Proof of concept de nouveaux outils

  • Cyber Threat Intelligence

    • Analyse de rapports

    • Recherches de traces sur le système d’information


 

Are you a MATCH?


 

  • En cours de formation supérieure Bac +5 en Sciences Informatiques, idéalement en dernière année et avec une spécialisation cybersécurité

  • Vous avez de bonnes notions de cybersécurité (au-delà du contenu des cours: travaux pratiques, challenges sur Internet, …)

  • Vous connaissez le scripting (idéalement python) et les environnements cloud (AWS, GCP)

  • Vous maîtrisez l'anglais, aussi bien à l'écrit qu'à l'oral

  • Vous faites preuve d’un grande curiosité

  • Vous faites preuve d'un grand dynamisme et êtes force de proposition  

  • Poste localisé à la Tour Coeur Défense (92)

  • Date de début souhaité : Septembre/Octobre 

  • Durée du contrat : 12 mois 


 

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.

Key Skills
CybersecurityCloud InfrastructureAWSGCPPythonScriptingDetection EngineeringCyber Threat IntelligenceEnglish ProficiencyIncident Response
Categories
Security & SafetyTechnologySoftwareEngineering