Microsoft 365 Systems Administrator

Role Description

The Information Technology System Administrator at Liba is a full-time, fully remote role. The client is an Australian organisation running a fully cloud-based Microsoft 365 environment across several related entities. They need an experienced, self-directed systems administrator to own the day-to-day IT environment end to end. You will be the person who knows what good looks like, sets the standard, and keeps everything secure and running without needing close direction. You will also manage a part-time, onshore Level 1 support agent, directing their work and handling escalations. You will work with the Australian leadership team and overlap with Australian business hours.

Key Responsibilities

• Identity and access: Microsoft Entra ID user lifecycle (joiners, movers, leavers), group management, role-based access, Conditional Access, MFA and SSPR
• Authentication and security: sign-in troubleshooting, Conditional Access policy design, audit log review, and alignment to Microsoft security baselines
• Email: Exchange Online mailboxes, shared mailboxes, distribution lists, Microsoft 365 groups, mail flow rules, and anti-spam and anti-phishing policies
• SharePoint and OneDrive: site structure, permissions, sharing policies, and data governance across multiple entities and tenants
• Endpoint management: Intune enrolment, Autopilot, compliance and configuration policies, app deployment, and patching for Windows laptops and desktops
• Mobile: iOS and Android device management, MAM and MDM policies, and mobile fleet support
• Licensing and administration: Microsoft 365 licence management, subscription renewals, and cost control
• Team and service desk: managing a part-time onshore L1 agent, including setting priorities, writing runbooks and escalation guides so routine issues are resolved at L1, coaching, and reviewing ticket quality
• Support and documentation: resolving escalated user issues, maintaining asset inventory and procedures, and proposing improvements before problems occur

Qualifications

• 4+ years’ hands-on experience administering Microsoft 365 in a cloud-first environment
• Proven, demonstrable experience with Entra ID, Conditional Access, Intune, Exchange Online and SharePoint Online (please describe specific projects you have delivered)
• Experience with PowerShell and Microsoft Graph for automation and reporting
• Strong troubleshooting skills across identity, authentication, device and email issues
• A track record of owning an environment independently, making sound decisions, and documenting what you do
• Experience directing or mentoring junior support staff, ideally across time zones
• Willingness to work hours that overlap with Australian time (AEST/AEDT)

Desirable

• Microsoft certifications such as MS-102, SC-300, MD-102 or AZ-104
• Experience in multi-tenant or multi-entity environments, including tenant migrations or domain changes
• Exposure to compliance-driven environments and Essential Eight concepts
• Basic networking knowledge (NBN, DNS, Wi-Fi) and experience coordinating with telco and vendor support

Language

• English (Required), with excellent written and spoken communication in a remote setting