Cyber Security Administrator/Systems Engineer

UpperGround by Hudson; City of Melbourne; On-site; AUD 80,000 - 100,000; Full time

Job summary

UpperGround by Hudson is looking for a Systems Administrator to enhance and maintain a secure classified infrastructure in Melbourne. This role involves maintaining system performance, applying security patches, and supporting network security technologies.

The ideal candidate will require a strong ICT background, familiarity with cyber security principles, and must hold an existing NV2 security clearance. This position emphasizes collaboration with both technical and non-technical stakeholders.

Benefits include competitive pay rates alongside a supportive work culture.

Qualifications

• Strong 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.
• Bonus: Experience with VMware vSphere or Horizon.
• Existing NV2 Australian Defence security clearance (mandatory).

Responsibilities

• Maintain and improve classified systems to meet performance, reliability, and security requirements.
• Assist with planning, designing, testing, and implementing system upgrades and new platform components.
• Apply security patches and maintain accurate cyber security documentation.
• 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.
• Identify opportunities to streamline processes and improve service delivery.

Skills

Systems Administration

Cyber security principles

Analytical ability

Communication skills

Tools

VMware vSphere

Windows Server 2022

Windows 11

Job description

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 new 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

• Strong 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 opportunity please apply online or reach out to [e-mail].

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.