System Adminstrator

• 12-month contract
• Canberra based role across
• TSPV security clearance required + OSA preferred
• Strong skills in Windows and Linux - ElasticSearch a big bonus

We are seeking an experienced Systems Administrator to support critical Defence cyber operations. This role is central to ensuring the security, availability, and integrity of sensitive ICT systems, data holdings, and investigative platforms that underpin Defence's cyber and investigative response capabilities. You'll play a key role in maintaining and uplifting essential ICT infrastructure and security services in a highly sensitive environment.

Your duties will include:

• Administering and supporting Linux and Windows infrastructure environments
• Implementing, configuring, and troubleshooting enterprise networks and security solutions
• Supporting automation for environment provisioning and application deployment
• Maintaining monitoring, metrics, and system performance visibility
• Conducting system maintenance, patching, upgrades, and deployments
• Assisting in cyber investigations and contributing to uplift of security and forensic capabilities

Skills and Experience we are looking for:

• Demonstrated experience in Windows and Linux systems administration -
  THIS IS THE KEY REQUIREMENT
• Strong documentation skills and ability to work in highly classified environments
• Knowledge of networking technologies and VPNs
• Expertise in cyber security, system hardening, and ISM compliance
• Experience with scripting and system monitoring tools
• Familiarity with digital forensic processes, SIEM, and incident response support