Senior System Engineer windows

Role Overview
Were hiring a hands-on Senior System Engineer - windows to manage hybrid cloud and on-premises infrastructure for an Australian managed services provider. Youll bring strong practical expertise across Windows Server infrastructure virtualisation/hypervisor platforms server & storage hardware Microsoft Azure and Microsoft 365 delivering well-engineered repeatable outcomes for enterprise clients.

Infrastructure Support & Management

• Manage Windows Server environments AD DNS DHCP Group Policy certificate services

• Configure on-premises storage (SAN/NAS/DAS) and connect hosts to storage fabrics

• Perform infrastructure upgrades patching firmware updates and hardware refresh

• Configure server OS roles features and baseline security hardening

Server Virtualisation & Hypervisor Platforms

• Manage VMware vSphere/ESXi Microsoft Hyper-V and/or Nutanix

• Build clusters virtual switches datastores and high-availability features

• Provision template and migrate VMs across hosts/clusters/platforms (incl. P2V/V2V)

• Integrate virtualisation platforms with shared storage and backup solutions

• Troubleshoot and optimise hypervisor and VM performance

Microsoft 365 Management

• Manage M365 tenants Exchange Online SharePoint Online Teams OneDrive

• Implement identity/access via Entra ID including hybrid identity (AD Connect/Cloud Sync)

• Configure M365 security & compliance (Defender for Office 365 Purview Conditional Access)

• Execute M365 migrations and provide post-migration support

Cloud (Azure) Management

• Manage Azure Landing Zones and resources (Bicep Terraform ARM or Portal) per CAF guidance

• Maintain Azure networking VNets NSGs Azure Firewall Private Endpoints

• Configure management groups subscriptions policies RBAC and tagging

• Deploy monitoring/alerting via Azure Monitor Log Analytics and Microsoft Sentinel

• Execute cloud migrations (Azure Migrate rehosting re-platforming)

• Implement hybrid connectivity (ExpressRoute Site-to-Site VPN Azure Arc)

Automation & Documentation

• Maintain PowerShell automation/scripting to support repeatable delivery

• Build and reuse infrastructure-as-code templates

• Produce accurate as-built documentation and knowledge transfer material

Team Contribution

• Share knowledge and contribute to the technical capability of the team

• Mentor junior engineers on build and deployment activities

• 5 years hands-on experience building deploying and migrating IT infrastructure across on-premises and cloud environments

• Deep expertise in Windows Server (2016/2019/2022) AD DS DNS DHCP Group Policy server roles

• Demonstrated experience deploying Azure Landing Zones and resources aligned to CAF/WAF

• Hands-on Microsoft 365 deployment/migration experience (Exchange Online Teams SharePoint Entra ID)

• Experience with hybrid identity (Entra Cloud Sync / Azure AD Connect)

• Azure networking security and governance experience (NSG Firewall Policy RBAC)

• Strong PowerShell scripting/automation skills

• Exposure to infrastructure-as-code tooling (Bicep Terraform or ARM)

• Hands-on experience with a hypervisor platform VMware vSphere/ESXi Hyper-V or Nutanix

• Experience with enterprise server hardware (Dell EMC HPE Lenovo Cisco UCS)

• Experience with storage hardware/platforms (SAN NAS iSCSI/Fibre Channel)

• Experience with backup replication and disaster recovery technologies

• Data centre experience racking cabling hardware commissioning

• Tertiary qualification in Computer Science Information Technology or a related field

• Microsoft Certified: Azure Administrator Associate (AZ-104)

• Microsoft Certified: Azure Solutions Architect Expert (AZ-305)

• Microsoft 365 Certified: Enterprise Administrator Expert

• Microsoft Certified: Identity and Access Administrator Associate (SC-300)

• Microsoft Certified: Security Operations Analyst Associate (SC-200)

• VMware VCP-DCV or Nutanix Certified Professional (NCP)

• Strong technical problem solver with excellent attention to detail

• Hands-on engineer who takes pride in high-quality build deployment and documentation work

• Clear confident communicator comfortable with both technical and non-technical stakeholders

• Self-starter who manages competing priorities effectively

• Strong team player who shares knowledge and mentors others

• Acts with integrity and takes ownership of outcomes