Profectus is seeking an experienced Senior Exchange Specialist Infrastructure Engineer to support enterprise messaging services within an Australian Government agency.
You will administer and support a Microsoft hybrid messaging workplace spanning Exchange on premises and Exchange Online.
The work covers mail flow and service performance, email security and compliance controls, migration and modernisation activities, and technical documentation and knowledge transfer.
Key Responsibilities
Administer and support Exchange on premises and Exchange Online messaging environments
Configure, maintain and enhance Exchange services and associated messaging systems
Monitor service performance, availability, capacity and mail flow, and resolve identified issues
Implement and maintain email security, compliance and governance controls
Manage mailboxes, distribution groups, address lists and other messaging service components
Support email migration, platform modernisation and service enhancement activities
Investigate and resolve technical issues and provide solution options to stakeholders and project teams
Support incident, problem and change management activities for messaging services
Produce solution designs, implementation plans, and configuration, testing and validation documentation
Develop and maintain standard operating procedures, troubleshooting guides and knowledge base articles
Transfer skills and knowledge to agency staff through training material and handover documentation
Liaise with project teams, business stakeholders, service providers and other ICT teams
Required Experience




Senior experience administering and supporting enterprise Exchange messaging environments
Monitoring service component capacity, controlling demand on resources and contributing to capacity planning
Planning and implementing infrastructure maintenance, updates and changes using infrastructure management tools
Writing, testing and documenting scripts to automate provisioning, testing and deployment of infrastructure
Investigating and resolving problems, determining fixes and analysing patterns and trends to prevent recurrence
Designing large or complex systems, including impact analysis of design options and trade-offs
Leading installation and decommissioning projects, including quality plans and method statements
Producing technical documentation, reports and recommendations for specialists, users and managers
Proven knowledge of Exchange ****/SE and Microsoft 365 infrastructure
Experience working in a Microsoft hybrid messaging environment
PowerShell and automated scripting
Arctera (Veritas) Enterprise Vault or similar on-premises archiving solutions
Security Clearance Requirements
Must be an Australian Citizen
Must have a current AGSVA NV2 Security Clearance
Working Arrangements
Hybrid
ACT, NSW, QLD
Why Profectus
Profectus partners with Australian Government agencies to deliver trusted ICT capability across complex delivery programs.
We take a long term, relationship driven approach, supporting our people across the full lifecycle of their engagement while contributing to outcomes of national importance.
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📌 Infrastructure Engineer (Canberra)
🏢 Profectus
📍 Canberra