Senior Systems Administrator

Contract Type:

Contract

Location:

Aspley, Queensland, Australia

Industry:

Information & Communication Technology (ICT)

Salary:

$100 - $120 Hourly

Contact Email:

craigf@whizdom.com.au

Date Published:

31-Aug-2026

Reference Number:

V-66246

Senior Systems Administrator

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
As a Senior Systems Administrator, you will be responsible for:
  • 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
To be successful in this role, you will demonstrate:
  • 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
Experience in any of the following will be advantageous:
  • 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.
Apply now or contact Whizdom Recruitment for a confidential discussion.
Apply Now

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