Senior Windows System Engineer

About the Role

We are seeking a Senior Windows System Engineer to provide advanced administration, maintenance, and troubleshooting across customer Microsoft infrastructure environments. You will work extensively with Windows Server, Windows workstations, Active Directory, identity services, and Hyper-V virtualisation.

This role involves building and managing server environments, resolving complex Level 3 escalations, improving system stability, and supporting customers with clear, practical technical guidance. Success will require strong technical judgement, hands-on PowerShell capability, and the confidence to work independently in a remote customer-support environment.

Ideal Profile

Experience and Role Requirements

• Approximately five to six years of relevant Microsoft infrastructure or systems-engineering experience.
• Strong hands-on experience administering and troubleshooting Microsoft Windows Server environments.
• Proven experience supporting Windows workstations in business or customer environments.
• Demonstrated expertise in building, configuring, and managing Hyper-V environments.
• Experience administering Active Directory domains and associated identity services.
• A strong track record of resolving complex Level 3 infrastructure escalations.
• The ability to diagnose technical issues independently and take ownership through to resolution.
• Experience within customer-facing IT support, consulting, or managed-services environments.
• A proactive approach to learning new Microsoft technologies and infrastructure platforms.

Essential Tools and Systems

• Hyper-V.
• Windows Server 2022 and 2025.
• Active Directory and identity services.
• Remote Desktop Services.
• PowerShell and Windows command-line administration tools.

Preferred Tools, Systems, and Certifications

• Microsoft Entra ID and Azure Active Directory.
• Hybrid Windows Server and cloud-identity environments.
• VMware administration.
• Proxmox virtualisation.
• Backup, recovery, and disaster-recovery platforms.
• Remote monitoring and management tools.
• PSA or service-management platforms.
• Microsoft Windows Server certifications from 2016 onwards, or equivalent.
• AZ-800 and AZ-801 certifications.
• Previous MCSA or MCSE certification.

Professional Capabilities

• Strong written and verbal communication skills.
• A proactive, accountable, and self-directed working style.
• Methodical troubleshooting and problem-solving ability.
• Excellent attention to detail.
• Clear and consistent technical documentation skills.
• A professional, customer-focused approach.
• Sound judgement when asking questions or escalating issues.
• A willingness to learn and adapt.
• A collaborative approach to supporting junior team members.
• The discipline to work effectively in a remote environment.
• The ability to manage competing priorities across multiple customer environments.

Responsibilities

• Administer, maintain, and troubleshoot Microsoft Windows Server environments.
• Deliver senior-level support for Windows workstations and server-connected endpoint issues.
• Build, configure, maintain, and troubleshoot Hyper-V hosts and virtual machines.
• Configure and support Hyper-V across both domain and workgroup environments.
• Administer Active Directory domains and associated identity services.
• Support hybrid Microsoft identity environments, including Microsoft Entra ID and Azure Active Directory.
• Conduct proactive server maintenance, monitoring, and system-health reviews.
• Investigate and resolve complex Windows Server, workstation, and virtualisation incidents.
• Act as an escalation point for issues requiring advanced Microsoft infrastructure expertise.
• Diagnose performance, authentication, access, connectivity, and service-related problems.
• Use PowerShell and Windows command-line tools for administration, troubleshooting, and automation.
• Support server builds, upgrades, configuration changes, and infrastructure improvements.
• Maintain accurate technical documentation, ticket records, system notes, and resolution details.
• Collaborate with the wider technical team and provide guidance to junior engineers when required.
• Communicate technical findings, risks, and recommended actions clearly to customers and internal stakeholders.
• Escalate issues appropriately when additional expertise or vendor support is required.

How we take care of our team

💰 Get paid in Australian Dollars
🏥 Medical insurance from day one for you + spouse (or parents if unmarried)
🩺 Generous OPD coverage from doctor visits to all your medical needs
🏡 Home office setup allowance to build your ideal workspace
🌐 Internet allowance to keep you connected
💪 Gym & wellness allowance to stay fit and balanced
🎉 Work hard, play hard – regular team events & engagement activities
🧠 Diji Assist – Mental health & counseling support when you need it
📚 We invest in you – reimbursement for industry certifications
🗣️ Open-door culture – your ideas and feedback always matter
🌍 Flexible work – home or office, wherever you do your best work
🏆 Rewards & recognition that actually recognize you
🥳 Great christmas & financial year-end parties to unwind with your loved ones