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IT Infrastructure

System Administrator/Application Middleware

Location
Brussels, Belgium
Work mode
On-site
Contract
Contract · Mid
Closed
12 Mar 2026

This mission closed on 12 Mar 2026.

It stays online for reference, but it no longer takes applications.

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About the mission

We are looking for a System Administrator with experience in application middleware to support our IT department. The role involves managing application environments, performing patching and monitoring activities, and maintaining web servers and Docker infrastructure.

Read the full description

Context of the assignment:

Within the IT department, in the Application Middleware team, the consultant will support the team in the management and maintenance of the application environments (test, acceptance, and production).
He/She will contribute to the continuity of services, patching, monitoring, and documentation of technical activities.

Key Responsibilities:

Manage test, acceptance, and production environments.
Perform patching and monitoring activities.
Maintain web servers and Docker infrastructure.
Monitor availability (disks, alerts, tuning).
Contribute to the optimization of the monitoring infrastructure.
Document all actions in the internal system (issue tracker / Jira).
Communicate about performed activities and hours worked.

Desired Profile:

Experience in application middleware or system administration.
Knowledge of Linux (priority) and Windows.
Experience with Docker.
Good understanding of monitoring tools (e.g. Grafana).
Accuracy in documentation and time management.
Independent, disciplined, and clear in communication.
Structured and proactive work attitude.

Additional Info:

Location: Brussels

What you'll do

  • Manage test, acceptance, and production environments.
  • Perform patching and monitoring activities.
  • Maintain web servers and Docker infrastructure.
  • Monitor availability (disks, alerts, tuning).
  • Contribute to the optimization of the monitoring infrastructure.
  • Document all actions in the internal system (issue tracker / Jira).
  • Communicate about performed activities and hours worked.

What we're looking for

  • Experience in application middleware or system administration.
  • Knowledge of Linux (priority) and Windows.
  • Experience with Docker.
  • Good understanding of monitoring tools (e.g. Grafana).
  • Accuracy in documentation and time management.
  • Independent, disciplined, and clear in communication.
  • Structured and proactive work attitude.

Skills

  • Linux
  • Windows
  • Docker
  • Grafana