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Network Engineer- Exchange site transformation

Sydney, New South Wales💼 Full-time🗓 2026-09-17 → 2026-09-26

Core

Planning, designing, implementing, and supporting enterprise messaging transformation and modernization initiatives, including data center migrations, site consolidations, and cloud migration programs.

Role type

Senior IC Network Engineer (Exchange/Messaging Infrastructure)

Builds

Enterprise messaging infrastructure (Exchange Server, Exchange Online, hybrid environments)

Domain

IT Infrastructure / Messaging Systems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Microsoft Exchange Server administration, Exchange Site Transformation, messaging infrastructure migration, Exchange Server 2016/2019, Exchange Online, Office 365, hybrid environments, mailbox migrations, site consolidations, tenant-to-tenant migrations, coexistence management, Exchange infrastructure modernization, mail flow architecture, SMTP, DNS, Active Directory integration, DAG (Database Availability Group), load balancing, high-availability configurations, complex mail delivery troubleshooting, PowerShell scripting for Exchange administration and automation

Preferred skills

Microsoft 365 administration, Microsoft Entra ID (Azure AD), Azure services, hybrid identity solutions, Exchange security technologies (Microsoft Defender for Office 365, email security gateways, anti-spam, anti-malware, compliance solutions), migration tools (Quest, Binary Tree, Microsoft tools), Teams, SharePoint, OneDrive, broader Microsoft 365 collaboration services, ITIL processes, automation tools, cloud transformation initiatives, large-scale global enterprise environments

Technologies

Exchange Server 2016/2019, Exchange Online, Office 365, Microsoft 365, Microsoft Entra ID, Azure, Microsoft Defender for Office 365, Quest, Binary Tree

Responsibilities

Planning, designing, implementing, and supporting Exchange infrastructure transformation projects; executing data center migrations, site consolidations, Exchange upgrades, hybrid deployments, and cloud migration programs; working closely with infrastructure, security, cloud, and business teams to ensure seamless migration of messaging services while minimizing business disruption and maintaining service availability

Seniority

Senior, hands-on IC

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