Junior Network / Infrastructure Engineer (Multiple Roles)

About the Company

Whizdom is a trusted Australian recruitment partner specialising in connecting highly skilled professionals with leading government and commercial organisations. With deep expertise across ICT, Defence, and national security environments, we pride ourselves on delivering quality talent solutions that support critical national programs.

About the Role

We are seeking multiple Junior Network / Infrastructure Engineers (APS4–APS5 equivalent) to support a high-profile Defence program. These roles are based on site in South Australia (including RAAF Edinburgh) and involve working within a secure, mission‑critical ICT environment.

This is an exciting opportunity to build your career in Defence, contributing to systems that protect Australia’s national interests. Successful candidates will work across complex infrastructure environments including networking, virtual platforms, and cloud‑based systems.

Role Responsibilities

- Support the implementation and maintenance of complex ICT environments, including CISCO and Juniper networking systems
- Monitor system performance, availability and reliability using standard tools and processes
- Perform system configuration, backups, and data restoration activities
- Use network monitoring tools to track performance and generate reports
- Assist in managing incidents, problems, and change requests within IT service management platforms
- Support administration of user accounts and permissions
- Contribute to identifying and resolving operational issues
- Assist with documenting system processes, configurations, and enhancements

Technical Skills

- Exposure to CISCO and/or Juniper network environments
- Understanding of core ICT infrastructure including network,



physical and virtual systems
- Experience with monitoring tools such as SolarWinds, Cisco Transport Controller, and Splunk
- Basic scripting or programming capability (desirable)
- Knowledge of system installation, maintenance, and troubleshooting practices
- Ability to follow structured operational procedures and standards

What is on Offer

- Opportunity to work within a national security workplace supporting critical Defence operations
- Long‑term contract: 12‑month initial term with extension options (up to 3 years total)
- Exposure to advanced technologies and enterprise‑scale infrastructure
- Career progression within Defence and government ICT programs
- Supportive team environment with structured onboarding and development

Security Requirements

- Current TSPV (Top Secret Positive Vetting) clearance is required
- Ability to undergo and pass the Organisational Suitability Assessment (OSA)
- Australian citizenship is mandatory
- Candidates must be willing to work onsite and participate in shift work

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, 2nd of July 2026.

Please call Lisa Berjak on *** for any further information. Candidates will need to be willing to undergo pre‑employment screening checks which may include identity, work rights, security clearance verification, and any other client‑requested checks.

We value diversity and welcome applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability.

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📌 Junior Network Infrastructure Engineer (Adelaide)
🏢 Whizdom
📍 Adelaide