Senior .NET Architect - Energy Sector - Brussels - Asap Start - Freelance / CDI

AlterSolutions

Brussels, Brussels, Belgium permanent

Posted: March 2, 2026

Required Skills

Job Description

Are you excited to contribute to a major project within the evolving European energy landscape?

A leading European critical‑infrastructure organisation is seeking a skilled professional to support the reliability and sustainability of cross‑border energy operations. You will collaborate closely with internal teams and external partners to help build a future‑proof, sustainable, and resilient energy infrastructure.

The organisation strongly values diversity, inclusion, and teamwork, believing these are key drivers for innovation, creativity, and strong performance.

A .NET Architect is required to provide technical leadership for a suite of Portals and Platforms (5 product areas).

The solution runs on containerised infrastructure, and therefore a strong command of Kubernetes and cloud‑managed container platforms is essential.

The technical lead will guide and support Full Stack .NET developers working on a .NET 8 microservices ecosystem.

Technologies involved:

• C#
• SQL / MongoDB
• Blazor
• Kubernetes (Helm for packaging/deployment)
• Cloud services (Azure)
• Clean Architecture
• Dapr (distributed application runtime)

Languages

• English: mandatory

Technical Requirements

• Strong, hands‑on knowledge of Kubernetes and cloud‑managed Kubernetes platforms
• Expertise in .NET architecture, microservices, cloud‑native patterns, DevOps collaboration, and distributed system design

Soft Skills

• Excellent communication skills
• Ability to coach development teams
• Active contributor in scrum teams
• Capability to lead multiple development teams and coordinate sprint activities
• Strong analytical skills for solving complex technical issues
• Ability to define and articulate a clear target architecture vision
• Skilled in challenging technical choices and design decisions
• Ability to clarify technical concepts for non‑technical stakeholders
• Experience organising technical workshops and collaborative sessions
• Skilled at managing priorities and handling urgent situations effectively
• Structured and methodical approach to designing solutions
• Passion for exploring new technologies and maintaining a strong technical watch

Practical Information

• Work mode: Hybrid — approximately 2 days per week onsite, remainder remote
• For consultants working in Belgium:• Must hold a valid work permit (if non‑EU)
• Must hold a valid residence permit

• Must hold a valid work permit (if non‑EU)
• Must hold a valid residence permit

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