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Senior Systems Administrator

WhizdomBrisbane, Queensland🇦🇺AustraliaPosted 2 Sept 2026

Why This Role Stands Out

This hybrid role offers an exceptional opportunity to lead a significant virtualisation and modernization program within a highly regarded organization, providing extensive growth and impact. You'll thrive here if you possess strong experience in enterprise Windows Server, VMware, and Hyper-V, and enjoy tackling complex infrastructure challenges. Apply now to shape the future of enterprise systems and advance your career!

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Brisbane, Queensland, Australia
AWSAzureConfluenceVMware

Job Description

Are you a seasoned Infrastructure professional who thrives on complex environments, major transformation projects, and enterprise-scale technologies?

We are seeking an experienced Senior Systems Administrator to join a large and highly regarded organisation undertaking a significant virtualisation and infrastructure modernisation program. This is an exciting opportunity to play a key role in the migration of hundreds of virtual machines while supporting critical enterprise systems across on-premise and cloud environments.

What You'll Be Doing
  • Leading the migration of approximately 400 virtual machines from VMware ESXi to Microsoft Hyper-V.
  • Planning, testing, implementing and validating complex infrastructure changes and migrations.
  • Administering and supporting enterprise Windows Server environments.
  • Managing and maintaining VMware ESXi, Microsoft Hyper-V and Veeam Backup & Recovery platforms.
  • Supporting infrastructure hosted across on-premises, Microsoft Azure and AWS environments.
  • Investigating and resolving complex Level 3 infrastructure incidents and technical issues.
  • Managing incidents, problems, changes and releases through ServiceNow.
  • Working closely with stakeholders, project teams, application owners and vendors to ensure successful delivery outcomes.
  • Providing technical leadership, mentoring and guidance to operational and project teams.
  • Contributing to high availability, disaster recovery, security, monitoring and backup strategies.
About You
  • Extensive experience administering enterprise Windows Server environments.
  • Strong hands-on experience with VMware ESXi and Microsoft Hyper-V.
  • Proven experience supporting Veeam Backup & Recovery solutions.
  • Demonstrated success delivering large-scale infrastructure or VM migration projects.
  • Experience working within IT Service Management frameworks and platforms such as ServiceNow.
  • Strong troubleshooting and problem-solving skills across server, virtualisation and backup technologies.
  • Excellent stakeholder engagement and communication skills.
  • The ability to work effectively across operational teams, projects and external vendors.
Highly Regarded
  • Enterprise-scale VMware to Hyper-V migration projects.
  • Microsoft Azure and/or AWS infrastructure environments.
  • High availability and disaster recovery platforms.
  • Confluence documentation and knowledge management.
  • Large, complex enterprise or government ICT environments.
What's on Offer
  • 12-month contract opportunity.
  • Brisbane Northside location.
  • Hybrid working arrangement (50% office / 50% work from home).
  • Opportunity to work on a high-profile infrastructure transformation initiative.
  • Collaborative and technically capable team environment.
  • Long-term project pipeline and exposure to modern cloud and virtualisation technologies.

If you're looking for a challenging contract where you can make a genuine impact across a large-scale enterprise environment, we'd love to hear from you.

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