Network Admin Infrastructure Engineers

Network Administrator / Infrastructure Engineer - ACT and SA

About the Company
Our client is a highly respected government organisation operating at the forefront of cyber security, digital infrastructure and national capability. The organisation plays a critical role in protecting Australia’s interests through advanced technology and secure systems.
You will be part of a skilled and mission-driven environment where your work has real impact and contributes to critical national operations.

About the Role
We are seeking experienced Network Administrators and Infrastructure Engineers to support, maintain and enhance complex ICT environments.
In this role, you will be responsible for the full lifecycle of infrastructure systems, ensuring performance, reliability and security across physical, virtual and network platforms. You will work in highly secure environments and collaborate with technical teams to deliver robust and scalable infrastructure solutions.

Role Responsibilities

• Monitor systems and infrastructure, responding to incidents and resolving issues
• Maintain, upgrade and patch device software and firmware
• Build, configure and deploy scalable and reliable infrastructure systems
• Integrate commercial off-the-shelf (COTS) network hardware and software
• Manage full system lifecycle including build, configuration, administration, maintenance and decommissioning
• Perform physical infrastructure tasks including racking, cabling and labelling
• Contribute to disaster recovery planning and testing
• Implement infrastructure changes and support continuous improvement initiatives

Skills and Qualifications

• Proven experience in network administration and/or infrastructure engineering
• Strong understanding of infrastructure operations, performance monitoring and system optimisation
• Experience working with networking technologies, hardware and systems integration
• Ability to troubleshoot complex technical issues and implement solutions
• Knowledge of infrastructure lifecycle management and automation tools
• Experience supporting high-availability, secure environments
• Strong communication skills and ability to work collaboratively

What’s on Offer

• Long-term contract (initial 12 months with extension options
• Opportunity to work on critical, high-impact infrastructure projects
• Exposure to secure and advanced technology environments
• Collaborative and highly skilled technical teams
• Work locations in ACT and SA
• Competitive contract rates

Security Requirements

• Candidates must hold a Top Security Clearance
• Successful applicants will be required to complete an organisational suitability assessment prior to commencement

How to Apply
Please upload your resume to apply. Please provide a supporting statement highlighting your skills, experience, and capability against the position description to complete this application process. We will be in touch with instructions for suitably skilled candidates. Submission closes by COB, Thursday 25th June 2026
Please call Lisa Berjak on 0480 011 550 for any further information. 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.

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.

Our team of talented people are passionate about your experience, doing the right thing always, with a focus on your long-term career goals. We even give you a best in industry merch pack! Even if this role isn’t the exact fit for you, we would love a chat, contact us to find out more!