Our client is a highly respected Federal Government organisation operating within the national security and defence space. They play a critical role in protecting Australia’s interests through advanced technology, intelligence capabilities, and cyber operations.
Working at the forefront of secure digital infrastructure, this organisation offers a unique opportunity to contribute to mission-critical systems in a highly classified and technically sophisticated environment.
About the Role
We are seeking an experienced Gateway Infrastructure Engineer to support and enhance secure network environments within a high-assurance setting.
You will be responsible for implementing, maintaining, and optimising infrastructure across physical, virtual, and network domains, ensuring performance, resilience, and security standards are consistently met.
Key responsibilities include:
- Maintaining and supporting network components in line with established architectures and design standards
- Translating high-level (logical) designs into robust physical infrastructure solutions
- Contributing to network architecture design, including topology development and alternative solutions
- Supporting incident response activities, including investigating suspected cyber security events
- Identifying and mitigating risks within technical solution designs
- Assisting in the development of contingency, recovery, and failover procedures
- Providing guidance on physical, technical, and procedural security controls
- Supporting continuous improvement through performance monitoring and infrastructure optimisation
To be successful in this role, you will bring strong infrastructure engineering experience within secure or enterprise environments, along with a proactive and solution-oriented mindset.
Key requirements include:
- Demonstrated experience in IT infrastructure engineering (SFIA Level 4 or equivalent)
- Strong background in systems design and infrastructure implementation
- Experience with networking concepts, architectures, and secure environments
- Ability to investigate and resolve complex technical issues and contribute to problem management
- Experience with system installation, configuration, and lifecycle management
- Knowledge of automation, scripting, and infrastructure management tools
- Strong understanding of performance, capacity planning, and operational procedures
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 Adeliade SA
Contract terms: 12 months from commencement date, plus 2x 12 month extensions
Experience Level: Senior – APS6 Equivalent
Security Requirements: Candidates must hold an active or reactivatable Top Secret Positive Vetting (TSPV) Security Clearance on submission. Our client is not looking to upgrade an existing clearance for this position. 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 25 June 2026.
Reach Damien on 0480 002 503 or damienm@whizdom.com.au for any further information.
