Senior Systems Administrator – Windows & Azure Infrastructure

About the role

We are seeking a Senior Systems Administrator to join a fast‑growing Australian IT organisation with a presence across APAC. You will be responsible for the design, implementation and support of Windows‑based infrastructure, Azure cloud services and Microsoft 365 environments.

Key responsibilities

• Provide L2 support and maintenance for Windows Server, Azure, Office 365 and SharePoint across the APAC region.
• Lead infrastructure projects, including migrations, de‑consolidations and cloud‑first initiatives.
• Manage Active Directory, Azure Cloud Services, Exchange, Intune and endpoint management solutions.
• Coordinate with external vendors to ensure service level agreements are met.
• Document configurations, procedures and incident resolutions.

Required profile

• Minimum 5 years of hands‑on experience with Windows Server administration.
• Proven experience delivering infrastructure projects in a multi‑regional environment.
• Strong understanding of networking fundamentals and virtualization technologies.
• Experience working with external service providers and managing SLAs.

Required skills

• Windows Server
• Microsoft Azure
• Office 365 / Microsoft 365
• SharePoint
• Exchange Server
• Active Directory
• Power Platform
• Networking
• Virtualisation (e.g., Hyper‑V, VMware)
• Intune and endpoint management

What we offer

• Stable, permanent position within an established company.
• Opportunities for career progression into senior and management roles.
• Exposure to a broad range of technologies and large‑scale projects.