At Harrison McMillan, our mission is easy: to change lives, one placement at a time. As a trusted recruitment partner to government and industry, we connect exceptional people with opportunities where they can make a genuine impact.

About the Opportunity

Our Federal Government client is seeking two Senior Microsoft 365 Developers to deliver and support enterprise Microsoft 365 capabilities in a complex and highly secure environment.

This is a 12-month initial contract with 2x12 months extension options, based in Canberra. A Negative Vetting 1 security clearance is required.

Key Duties & Responsibilities

- Design and build SharePoint Online sites, pages, and hub site structures.

- Develop SPFx web parts, extensions, and application customisers using React and TypeScript.

- Configure content types, managed metadata, term stores, and site columns.

- Develop Microsoft Teams applications using Teams Toolkit and Bot Framework SDK.

- Build and deploy Teams bots using Azure Bot Service and Microsoft Copilot Studio.

- Administer Exchange Online, including mailbox management and mail flow configuration.

- Manage Microsoft Defender for Office 365, Defender for Identity, and Defender for Endpoint.

- Configure Microsoft Purview compliance and governance capabilities.

- Deploy and manage Microsoft Syntex solutions.

- Develop Microsoft Graph API-based automation and integrations.





- Build and maintain PowerShell administration and reporting scripts.

- Apply and maintain Essential Eight maturity controls across the M365 environment.

- Provide L2/L3 support across the Microsoft 365 platform.

- Coach and mentor team members and engage with senior stakeholders.

Essential Skills & Experience

- 5+ years' hands-on Microsoft 365 development and administration experience across SharePoint Online, Teams, Exchange Online, and Entra ID.

- Strong SharePoint Online development experience, including SPFx (React and TypeScript), content types, term stores, site designs, and PnP provisioning.

- Experience developing Microsoft Teams applications using Teams Toolkit, Bot Framework SDK, Adaptive Cards, and messaging extensions.

- Expertise across Microsoft Defender, Microsoft Purview, and Microsoft Sentinel.

- Experience developing solutions using Microsoft Graph API and associated SDKs.

- Strong Entra ID administration experience, including Conditional Access, MFA, PIM, identity governance, and app registrations.

Desirable Skills

- Microsoft certifications such as MS-102, MS-500, or SC-200.

- Experience with Microsoft Syntex.

- Experience administering Microsoft Viva products.

- Azure Functions and Logic Apps experience.

- Exposure to Microsoft Copilot Studio and automation technologies.

📌 SeniorPlatform Software Engineer (Developer) (Canberra)
🏢 Harrison McMillan
📍 Canberra