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Contract

Luxembourg, Luxembourg

29.05.2026

We are looking for a System Architect to join our client, an EU Institution based in Brussels.

Responsibilities

Design, implement, and maintain Microsoft Exchange on-premise architecture across multiple versions (2012/2013/2019).
Provide expert-level (SME) support and guidance on Exchange and Terminal Server environments.
Lead and execute Exchange upgrade, migration, and modernization initiatives.
Automate administrative and operational tasks using PowerShell scripting.
Monitor, maintain, and ensure systems are updated with the latest patches and security standards.
Troubleshoot and resolve complex infrastructure incidents, ensuring high availability and performance.
Support file migration activities from Windows Server environments to OpenText solutions and contribute to operational support (on-call/shift-based).

Requirements

Microsoft oriented infrastructure engineer
Familiar with Microsoft Exchange On-Premise environment
SME and architectural support for Exchange Server 2012 / 2013 / 2019 environments and Terminal Server
PowerShell scripting and automation
Ensuring Exchange environments remain at the latest supported patch and update levels
Planning and execution of future Exchange upgrade activities
Participation in file migration activities from Windows Server environments to OpenText solutions
Handling of operational support activities, including early shift/late shift/ & on-call activities where required
Investigation, diagnosis, and resolution of Windows and Microsoft infrastructure related incidents and requests

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