Active Directory and Microsoft 365 Administrator

About the role

Lactalis is hiring an Active Directory and Microsoft 365 Administrator for its Brisbane office, reporting directly to the Infrastructure Manager. The role covers the administration, support and continuous improvement of the Active Directory and Microsoft 365 environment, keeping identity and collaboration infrastructure secure, reliable and scalable. It works closely with local and global IT teams, business project managers and third-party vendors. The position is permanent and full-time, on a hybrid basis of 60% in the office and 40% working from home.

Key responsibilities

• Administer and maintain Active Directory, Group Policy, DNS, DHCP and Azure AD / Microsoft Entra ID.
• Manage user lifecycle: provisioning, access changes, role updates, access reviews and deprovisioning.
• Implement identity and access controls including MFA, Conditional Access, SSPR and Privileged Identity Management.
• Support Microsoft 365 services such as Exchange Online, Teams, SharePoint Online and OneDrive.
• Monitor health, performance and security of the environments.
• Support security, compliance and identity governance, including mailbox auditing, retention policies, DLP controls and Microsoft Defender.
• Build PowerShell scripts for administration, reporting, licence management and operations.
• Support migrations, tenant integrations, infrastructure upgrades and technology transformation projects.
• Maintain technical documentation, procedures and standards, and contribute to continuous improvement.

Required profile

• Bachelor's degree in Information Technology, Computer Science or a related field, or equivalent industry experience.
• Minimum 5 years of hands-on experience in Active Directory, Microsoft 365 or systems administration.
• Strong troubleshooting, analytical and problem-solving skills, and stakeholder management and communication skills.
• Ability to work independently and collaborate across teams; desirable: postgraduate qualification.

Required skills

• Active Directory, Azure AD / Microsoft Entra ID, Microsoft 365 and the broader Microsoft ecosystem.
• Conditional Access, identity federation, single sign-on and security architecture.
• PowerShell scripting.
• Exchange Online, Teams, SharePoint Online and OneDrive.
• Desirable: Office 365 migration tools (BitTitan / MigrationWiz), VMware vSphere, and security governance and risk management.