About the Client
Our client is a leading Australian Government organisation responsible for protecting Australia’s national interests through advanced intelligence, cyber security, and operational technology capabilities. Working at the forefront of complex and high‑impact environments, this organisation plays a critical role in safeguarding Australia against global threats.
You’ll be joining a highly skilled, mission-focused team delivering essential ICT capability in a secure and operationally sensitive setting.
About the Role
We are seeking experienced System Administrator – Infrastructure Engineers to support the implementation, management, and ongoing sustainment of ICT infrastructure across physical, virtual, networking, and cloud environments.
In this role, you will work as part of a multidisciplinary team responsible for maintaining highly available, reliable, and secure systems that underpin critical digital services.
Key responsibilities include:
* Performing routine and complex installations and de‑installations of hardware and software
* Maintaining and improving the reliability of ICT infrastructure through patching, upgrades, monitoring, and configuration management
* Supporting infrastructure automation and system build replication using scripting and automation tools
* Configuring and sustaining core system services such as monitoring, authentication, and logging
* Assisting with infrastructure maintenance, updates, and operational issue resolution
* Contributing to disaster recovery planning, testing, and documentation
* Applying Defence and industry‑standard practices within secure environments
The Successful Candidate
To be successful, you will bring strong systems administration experience, a methodical approach, and the ability to operate effectively in secure, enterprise-scale environments.
Essential requirements:
* Proven experience in ICT infrastructure operations and systems administration
* Strong knowledge across physical, virtualised, networking, and/or cloud infrastructure
* Experience using automation tools and scripting to support infrastructure provisioning and maintenance
* Ability to support availability, reliability, and disaster recovery outcomes
* Well‑developed troubleshooting and operational support skills
Candidates must also be willing to undergo an Organisational Suitability Assessment (OSA) prior to engagement.
Why partner with Whizdom?
We’re Whizdom. We view you as an extension of our strong, dependable brand and have differentiators which really are different! The Whizdom way:
* We pay our contractors same day you submit your timesheet!
* We are Level 3, DISP certified and have signed the Veteran Employment Commitment and been awarded the highest level of compliance to this important initiative, proactively assisting veterans transitioning from the forces to civilian roles. We’ve been lucky enough to win industry awards for our high level of process compliance and are ISO 9001 certified. Our commitment to reducing Greenhouse Gas Emissions has been accredited in line with large global organisations.
* We value diversity and welcome applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability.
Location: The role is based in Canberra ACT.
Contract terms: 12 months from commencement date, plus 2x 12 month extensions
Experience Level: Senior – APS6 Equivalent
Security Requirements: Current NV2 Security Clearance is required. An OSA(Organisational Suitability Assessment) will be required for this position.
How to Apply: Please upload your resume to apply. Please note you will need to complete selection criteria to complete this application process. We will be in touch with instructions for suitably skilled candidates.
Candidates will need to be willing to undergo pre-employment screening checks which may include, ID and work rights, security clearance verification and any other client requested checks.
Applications open until 8am 14 May 2026.
Reach Damien on 0480 002 *** or *******@whizdom.com.au for any further information.