Job Openings Senior System Engineer - windows

About the job Senior System Engineer - windows

Role Overview
We're hiring a hands-on Senior System Engineer - windows to manage hybrid cloud and on-premises infrastructure for an Australian managed services provider. You'll 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.

Key Responsibilities

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

Experience & Skills Required

  • 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)

Desirable

  • 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

Certifications (Highly Regarded)

  • 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)

What We're Looking For

  • 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


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