Senior Systems Administrator - M365 (Exchange Online)

About

This role sits within a large Queensland Government department responsible for delivering critical services across the state. The ICT function supports a complex, enterprise-scale environment with a strong focus on security, compliance and service reliability. You’ll be joining a structured team environment working across core collaboration and messaging platforms that underpin day-to-day operations.

The Role
We are seeking a Senior Systems Administrator with strong Microsoft 365 experience, specifically across Exchange Online and messaging services.

Key Responsibilities

• Act as SME for Microsoft Exchange Online, including mail flow, routing, shared mailboxes and distribution groups
• Lead Tier 2 and Tier 3 support for M365 messaging and collaboration services
• Manage major incidents, escalations and contribute to root cause analysis
• Contribute to email security ...