Lead Infrastructure

Flexcity; Colombelles; Hybride; EUR 50 000 - 70 000; Plein temps

Résumé du poste

Une entreprise innovante dans le secteur de l'énergie recherche un Lead Infrastructure Engineer pour façonner son paysage d'infrastructure. Vous serez responsable de la sécurité, de la fiabilité et de la modernisation des systèmes, tout en dirigeant une équipe de développement. Le poste offre l'opportunité de travailler dans un environnement collaboratif international et de contribuer à une énergie durable.

Prestations

Environnement de travail flexible

Opportunités de développement professionnel

Événements de team-building réguliers

Qualifications

• Expérience avérée en architecture cloud, préférentiellement GCP.
• Compétences professionnelles en français et niveau professionnel en anglais.
• Connaissances en backend (Java/Kotlin) appréciées.

Responsabilités

• Concevoir, construire et maintenir l'infrastructure hybride.
• Diriger et former une équipe de deux ingénieurs en infrastructure.
• Promouvoir les pratiques DevOps pour optimiser les livraisons.

Connaissances

Architecture cloud

Sécurité des systèmes

Réseautage

Proactivité

Esprit d'équipe

Outils

Pulumi

Kubernetes

Description du poste

As Lead Infrastructure Engineer, you’ll play a central role in shaping and maintaining our infrastructure landscape. You’ll ensure our systems are secure, reliable, and ready to scale — enabling real-time control of hundreds of MWs across multiple markets.

Reporting directly to the CTO and working within a collaborative, multi-country team, you’ll split your time across infrastructure architecture, team leadership, and DevOps enablement.

Infrastructure 60%

Conceive, build, and maintain our hybrid infrastructure — currently based on AWS (ECS, EC2, RDS) with on-premise components, but with a planned migration to GCP in 2026.

Guarantee availability, resilience, and security across our systems.

Drive modernization : infrastructure-as-a-service, observability, automated failover, and scalability.

Lead and coach a team of two infrastructure engineers.

Set clear goals, foster individual growth, and cultivate a positive team culture.

Act as a bridge between infrastructure and the broader Tech organization.

Promote and embed DevOps practices (CI / CD, automated testing, monitoring).

Collaborate closely with backend developers to streamline delivery pipelines.

Drive the adoption of infrastructure that enables faster, safer, and more reliable releases.

Qualifications

Key Qualifications

Hard Skills

Must-Have

Proficient in cloud architecture (GCP preferred), networking, and system security.

Fluent in French (spoken and written), professional level in English

Nice-to-Have

Knowledge of Pulumi, Kubernetes.

Backend experience (Java / Kotlin a plus).

Soft Skills

Proactitivity : Ability to improve our tech stacks.

Improvement mentality : Passionate about continuous improvement and innovation.

Team work spirit : Capability to collaborate with other teams

Additional Information

Why Join Flexcity?

Impact Be part of our key Belgian commercial team, with a direct impact in the decarbonisation of our industry.

Purpose Contribute concretely to a greener future, both in France, and globally.

Scale-up Work in an agile environment, getting structured and more efficient, but still with a large freedom and strategic decision making available at all levels of the company.

Group Benefit from a close relationship with the Veolia group, a global leader in the ecological and energy transformation.

Innovation Engage with cutting-edge energy technology and markets.

Supported Get backing from dedicated central support teams in R&D, Product and Portfolio, in order to get you the best tools, training and sounding board to work in the best environment.

Community Engage with a team spread across multiple countries, learning and innovating together. Connect with diverse teams across Europe through regular team-building events, both within Flexcity and Veolia.

Training Develop your hard and soft skills with dedicated training made available, as well as a strong learning curve within your position.

Hybrid Experience international collaboration and flexible work schedules, including 2 work-from-home days.

About Flexcity

Flexcity is a uniquely positioned energy technology company in the Internet of Energy sector. It is a leading demand response aggregator in Europe, rapidly growing and expanding to new regions. Flexcity’s core activity consists of supporting the power grid balance through the operation of its large portfolio of flexible fully-automated assets.

The Flexcity portfolio consists of a wide range of technologies such as batteries, eBoilers, CHPs, generators, wind farms, solar parks and large industrial processes.

As a provider of smart energy management services based on innovative smart grid technology, Flexcity applications focus on demand-side optimization and management (Demand Response, Load Shifting, etc.). Flexcity supports many industrial companies in reducing their overall electricity costs by providing demand-side management services based on innovative optimization and modelling software applications.

Flexcity is truly at the cutting edge of energy innovation. As a member of the team, you will contribute to a sustainable low-carbon energy sector.

As an inclusive company, Veolia is committed to diversity and gives equal consideration to all applications, without discrimination.