Senior Microsoft Infrastructure Engineer

Federal Government Department | Canberra, ACT
Long-Term Contract Opportunity
Baseline Clearance (Ability to Obtain Considered)
Hybrid Working Arrangements

We are partnering with a Federal Government Department seeking an experienced Senior Microsoft Engineer to provide Level 2 and Level 3 systems administration, technical support, and engineering expertise across a complex hybrid environment spanning Microsoft 365, Azure, AWS, endpoint management, identity services, and enterprise infrastructure.

This is an excellent opportunity for a senior engineer who enjoys hands-on technical work, troubleshooting complex issues, improving platform stability, and driving modern workplace and cloud outcomes within a secure government environment.

Key Responsibilities

• Administer, support, and optimise Microsoft 365, Azure, and AWS environments.
• Provide Level 2 and Level 3 support across desktop, infrastructure, identity, and cloud platforms.
• Manage Microsoft Intune policies, application packaging, endpoint compliance, and device remediation activities.
• Administer Active Directory and Microsoft Entra ID environments, including identity lifecycle management.
• Design, configure, and support Conditional Access policies, Enterprise Applications, App Registrations, and authentication integrations.
• Troubleshoot complex authentication and access issues across cloud and on-premises environments.
• Support cloud, infrastructure, endpoint, and security initiatives that improve operational stability and security posture.
• Develop PowerShell automation and remediation scripts to streamline operational support activities.
• Create and maintain high-quality technical documentation including system configurations, recovery procedures, knowledge articles, and support documentation.
• Contribute to governance, compliance, disaster recovery, access management, and cloud security initiatives.
• Provide technical guidance, knowledge transfer, and mentoring to internal stakeholders and support teams.

Essential Skills & Experience

• Strong experience administering and supporting Microsoft 365 environments.
• Demonstrated experience with Microsoft Intune, Endpoint Management, and application packaging.
• Strong knowledge of Active Directory and Microsoft Entra ID.
• Experience implementing and managing Conditional Access policies and identity governance solutions.
• Hands-on experience with Azure administration and support.
• Experience supporting AWS environments, including EC2 and Systems Manager.
• Strong PowerShell scripting and automation capability.
• Experience providing Level 2 and Level 3 support across enterprise environments.
• Excellent troubleshooting, root cause analysis, and problem-solving skills.
• Strong documentation, communication, and stakeholder engagement skills.

Highly Desirable

• Experience with Azure Virtual Desktop (AVD).
• Experience configuring and supporting Enterprise Applications and App Registrations.
• Strong understanding of authentication technologies including:
  • SAML 2.0
  • OAuth 2.0
  • OpenID Connect (OIDC)
  • WS-Federation
  • MFA and Passwordless Authentication
• Experience with Microsoft Defender XDR.
• Experience with Microsoft Purview.
• Previous Federal Government experience.

What's on Offer

• Long-term Federal Government contract.
• Opportunity to work across Microsoft 365, Azure, AWS, Identity, Endpoint Management, and Cloud Platforms.
• High-profile enterprise environment supporting critical government services.
• Collaborative and technically mature team environment.
• Flexible and hybrid working arrangements.

If you are a senior Microsoft Engineer with expertise across Microsoft 365, Intune, Azure, Entra ID, identity management, endpoint services, and cloud technologies, we would like to hear from you.

Due to the nature of the role the candidate must be Australian Citizen with Baseline clearance or has the ability to obtain one. 

How to apply

Apply directly or for more information on this role, please email Zainab at zainab.afzaal@calleo.com.au

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Calleo is an equal opportunity employer and we encourage applications from all people including Aboriginal and Torres Strait Islander peoples.