Senior Infrastructure Engineer
Permanent | $150-170K + Super | Melbourne
Our client is a leading healthcare organisation based in Sydney, experiencing strong growth and ongoing investment in technology
As a Senior Infrastructure Engineer, you will be responsible for the day-to-day health, performance, and uplift of a predominantly Windows, VMware and Azure environment. You'll work closely with the Infrastructure Manager on strategic initiatives, major incidents, and continuous improvement as the Senior Engineer/2IC. This role does not involve any line management, but does involve technical leadership.
Key Responsibilities
* Own and optimize the organisation's Windows-based server and infrastructure (VMWare) environment, ensuring high availability, performance, and security
* Act as the technical escalation point for complex infrastructure issues and major incidents
* Support and enhance hybrid infrastructure, spanning on-prem systems and Microsoft Azure
* Design, implement, and maintain Active Directory, Group Policy, DNS, DHCP, and IIS
* Drive automation and operational efficiency using PowerShell and Azure tooling
* Lead infrastructure-focused incident response, root cause analysis, and preventative remediation
* Partner closely with security, networking, and application teams to ensure cohesive infrastructure outcomes
* Oversee patching, vulnerability remediation, system hardening, and compliance requirements
* Contribute to capacity planning, performance optimisation, and infrastructure uplift projects
* Produce and maintain clear technical documentation and operational runbooks
What We're Looking For
* 10+ years' experience in infrastructure or systems engineering roles
* Strong background managing enterprise-grade on-prem and cloud environments
* Deep expertise in Windows Server, Active Directory, and virtualisation (VMWare & Hyper-V)
* Solid hands-on experience with Microsoft Azure (IaaS, networking, identity, hybrid integrations)
* Strong understanding of networking fundamentals (VLANs, routing, firewalls, VPNs)
* Technical Leadership of teams/working to support more junior team members
* Advanced PowerShell scripting and automation capability
* Experience with backup, disaster recovery, and endpoint/security tooling
* Proven ability to operate as a senior, autonomous engineer and trusted technical advisor
* Comfortable acting as a 2IC, stepping in when required and supporting infrastructure decision-making