Join a high‑performance team supporting a secure, mission‑critical environment. You’ll help maintain and enhance a classified infrastructure, ensuring it meets strict performance, reliability, and cyber security standards.

What you’ll do
Maintain and improve classified systems to meet performance, reliability, and security requirements
Assist with planning, designing, testing, and implementing system upgrades and current platform components
Apply security patches and maintain accurate cyber security documentation
Package, deploy, and support applications to ensure compliance with security frameworks
Support network security technologies including SIEM, vulnerability management, endpoint protection, firewalls, IPS, and device control
Provide technical advice and resolve user issues across multiple platforms
Contribute to security accreditation documentation
Identify opportunities to streamline processes and improve service delivery

What you’ll bring
Robust Systems Administration or ICT background, including Windows Server 2022 and Windows 11




Solid understanding of cyber security principles, tools, and best practices
Knowledge of ISM, NIST, ISO 27001, CIS Controls or similar frameworks
Excellent analytical and problem‑solving ability
Strong communication skills and the ability to work with technical and non‑technical stakeholders
Bonus: Experience with VMware vSphere or Horizon
Existing NV2 Australian Defence security clearance (mandatory)

To learn more about this chance please apply online or reach out to .

Benefits

Please note for all Australian based contract and temporary roles only, the pay rate is inclusive of mandatory 25% casual loading. This excludes permanent and fixed term roles.

EEO Statement

Hudson is committed to helping you find a workplace where you feel respected, supported, and free to thrive. We welcome applications from all backgrounds, identities, and lived experiences—because when different voices come together, amazing things happen.
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📌 Cyber Security Administrator/systems Engineer Melbourne
🏢 UpperGround by Hudson
📍 Melbourne