Senior Infrastructure Engineer - Cloud, M365 & Security Lead

Early Start Australia Pty; Perth; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Health insurance

Salary packaging

Purchased annual leave

Job summary

Early Start Australia Pty is seeking a Senior Infrastructure Engineer to support the national network of clinics with advanced Microsoft 365, cloud, networking, and security expertise. The role combines hands-on delivery with project leadership and ongoing process improvements across modern workplace technologies.

You will mentor junior staff, design scalable solutions, and help shape cloud platforms while ensuring reliable, secure services for clinicians and support teams across Australia.

Qualifications

• Minimum 3 years in a senior infrastructure engineering role in a medium to large enterprise.
• Hands-on experience with Microsoft 365 technologies (Entra, Defender XDR, Intune, Exchange Online, SharePoint, Teams).
• Strong Azure proficiency and expertise in IAM, CA, PIM and identity collaboration.

Responsibilities

• Design, implement, support, and improve Microsoft 365, cloud, and infrastructure platforms.
• Act as senior escalation point for complex infra, networking, security incidents and problems.
• Lead technical projects from planning and design through to delivery.
• Mentor junior engineers and create high-quality technical documentation.
• Develop infrastructure standards, governance, and security controls.

Skills

MS 365 Admin

Azure Cloud

PowerShell

Networking

Security

Documentation

Mentoring

Stakeholder Mgmt

Education

Bachelor's degree in IT/CS

Tools

ServiceNow

Salesforce

Job description

Early Start Australia Pty is seeking a Senior Infrastructure Engineer to support the national network of clinics with advanced Microsoft 365, cloud, networking, and security expertise. The role combines hands-on delivery with project leadership and ongoing process improvements across modern workplace technologies.

You will mentor junior staff, design scalable solutions, and help shape cloud platforms while ensuring reliable, secure services for clinicians and support teams across Australia.