full time

Senior System Engineer (Freelance possible)

Posted by EngiFlex • Brussels, Brussels, Belgium

📍 Brussels, Brussels 🕒 March 01, 2026

About the Role

Tasks and responsibilities

We are looking for a skilled and motivated Senior System Administrator to join our growing and dynamic team. As a Senior System Administrator, you will contribute to the management, supervision and optimization of system infrastructures, including hardware and software aspects. You will play a key role in the development of our new infrastructure, while maintaining and improving the existing infrastructure.

️ Responsibilities:

· Manage, maintain and upgrade our existing and future hypervisors.

· Configure, deploy and administer Linux operating systems (Ubuntu, Debian & Redhat).

· Ensure the security, the performance and the availability of systems and data.

· Solve complex systems problems and suggest improvements.

· Carry out and/or supervise installation and maintenance tasks.

· Write and maintain technical documentation and operational procedures.

· Participate in the development of the...

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