Exchange Administrator – M365 & Teams Telephony

Our client, a prominent organization in the transport infrastructure sector, is looking for a specialist to drive technical and functional collaboration projects. The role focuses on the architecture and maintenance of a large-scale communication ecosystem, covering both on-premises and cloud-based environments.

• Design and architect Microsoft Cloud and M365 collaboration solutions to support organizational needs.
• Maintain and support Exchange and Teams infrastructure across on-premises and cloud environments.
• Analyze technical change requests for Teams Telephony and messaging products to ensure seamless integration.
• Drive the improvement of existing evolution processes to enhance overall infrastructure quality.
• Provide technical leadership and coaching to team members to foster skill development.

• 5+ years of experience in Microsoft Hybrid M365 environments, specifically with Exchange SE design and implementation.
• 5+ years of infrastructure management with Microsoft Exchange On-premise (2016/2019/SE), including DAG, server environments, and load balancers.
• 5+ years of technical expertise in Microsoft Teams Telephony featuring Direct Routing and AudioCodes SBC.
• 5+ years of automation and integration experience using PowerShell, REST API, Graph API, and Application Registration.
• 5+ years of compliance management experience using Microsoft Purview for DLP and eDiscovery.
• Strong knowledge of DNS configuration, Reverse Proxy, and Network Load Balancer integration.
• Experience in the technical leadership and coaching of team members.
• Proactive and solution-oriented with strong analytical capabilities.
• Professional communication and presentation skills.
• You are fluent in Dutch or French (C2 level) with a professional level of English (C1).

Nice to Haves

• Experience with Teams hybrid automated number and policy assignments.
• Knowledge of analyzing and configuring Teams Call Queues within direct routing environments.
• Advanced troubleshooting skills for complex certificate management.

• Start date: 03/01/2027.
• Duration: 5 years.
• Work regime: Full-time.
• Location: Brussels.
• Working model: Hybrid.
• Contract: open to both permanent employees and freelancers.