Infrastructure Lead – Microsoft, Azure and Hybrid Environments

About the role

St John WA, a not-for-profit healthcare provider serving Western Australia since 1922, is looking for an Infrastructure Lead to join its Digital Services department on a permanent full-time basis. The role provides technical leadership and design authority across Microsoft infrastructure, identity and cloud platforms, ensuring solutions are secure, resilient, supportable and aligned to enterprise architecture standards. It suits someone with strong Wintel experience and proven solution architecture experience.

Key responsibilities

• Define and govern target-state architectures for Active Directory, Windows Server, Azure and hybrid environments, working with Enterprise Architects, security and delivery teams.
• Set and maintain enterprise-wide technical standards, patterns and priorities aligned with architecture governance and security principles.
• Provide architectural oversight to delivery teams, mentoring engineers, managing escalations and communicating risks and issues.
• Manage the development and approval of architecture artefacts such as reference architectures, high-level and low-level designs and architecture decision records.
• Ensure implementations follow approved designs through structured reviews, build validation, operational readiness and service handover.
• Drive remediation plans for technical debt, lifecycle risks and legacy infrastructure.
• Guide resilient infrastructure services including storage, backup, disaster recovery, monitoring and automation.
• Embed security-by-design practices: access controls, privileged access management, hardening, auditability and compliance-aligned design.
• Manage people matters such as conduct, performance, fitness and grievances, and oversee team resourcing and recruitment.
• Perform on-call duties in line with the Standard Operating Procedure.

Required profile

• Bachelor's degree in computer science, Information Systems, Engineering or equivalent experience.
• At least 7 years' experience in enterprise infrastructure, including substantial Wintel experience across Windows Server, Active Directory and Microsoft identity services.
• Demonstrated solution architecture experience, including defining target-state architectures and producing high-level and low-level designs.
• Excellent communication skills, able to explain complex technical concepts to technical and non-technical audiences.

Required skills

• Deep understanding of Azure architecture and hybrid integration, including governance, networking, compute, storage, security and monitoring.
• Security fundamentals: least privilege, privileged access, secure configuration baselines, PKI concepts and incident readiness.
• Ability to design, document and deliver infrastructure solutions meeting non-functional requirements such as security, resilience, performance and scalability.
• Automation, scripting (e.g. PowerShell) or infrastructure-as-code principles are desirable.

What we offer

• $550 health and wellness reimbursement.
• 17.5% leave loading.
• Salary packaging and novated leasing.
• Consumer discounts, discounts on first aid equipment, complimentary first aid training and ambulance cover.

Applications close on Friday 20th November; candidates must submit an online application with a detailed cover letter and resume.