Senior Infrastructure Engineer: Cloud, Security & M365

Early Start Australia Pty

Perth

On-site

AUD 120,000 - 160,000

Full time

2 days ago

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Benefits offered by this job

Discounted health insurance

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Purchased annual leave

Professional development opportunities

Job summary

Early Start Australia Pty is seeking a Senior Infrastructure Engineer to support our national network of clinics and hubs across Australia. The role combines hands-on delivery with problem‑solving to advance Microsoft 365, cloud, networking, and security across modern workplace platforms.

You will own technical initiatives, mentor engineers, and help shape platform direction, driving reliability, security, and scalable solutions that enable clinicians and support teams to deliver outstanding

Qualifications

At least 3 years’ experience in a senior infrastructure engineering role within a medium to large enterprise environment.
Hands-on Microsoft 365 technologies including Entra, Defender XDR, Intune, Exchange Online, SharePoint and Teams.
Proficiency with Azure services (Compute, Storage, networking, security).
Strong identity and access management knowledge (Conditional Access, PIM, identity collaboration).
PowerShell scripting and automation skills.
Experience supporting enterprise network infrastructure (VPNs, Firewalls, switching, WiFi).
Experience delivering technical projects in complex environments and strong problem-solving skills.

Responsibilities

Design, implement, support, and improve Microsoft 365, cloud, and infrastructure platforms.
Act as the senior escalation point for complex infrastructure, networking, security, and Microsoft 365 incidents.
Identify risks and implement improvements for security, reliability, and performance.
Lead technical projects from planning and design through to implementation.
Collaborate with stakeholders to translate business requirements into scalable technology solutions.
Create and maintain architecture diagrams, as-built documentation, and operational procedures.
Mentor and coach junior engineers, promoting best practices.
Contribute to infrastructure standards, governance, and security controls.