System Administrator – Secure Enterprise IT (Canberra)

Paxus; Canberra; On-site; AUD 85,000 - 120,000; Full time

Job summary

Paxus in Canberra is seeking an experienced System Administrator / Systems Support Officer to join a secure, enterprise-scale technology environment. The role focuses on Level 2 and Level 3 support, system administration and incident resolution.

You will manage tickets, perform routine admin tasks, monitor systems, and contribute to documentation, change and release activities, ensuring service continuity and governance.

Qualifications

• Experience providing Level 2 and/or Level 3 ICT support in a structured operational environment.
• Hands-on system administration and technical troubleshooting experience.
• Demonstrated ability to investigate and resolve technical issues across applications, systems or support environments.

Responsibilities

• Provide Level 2 and Level 3 operational and technical support across systems and applications.
• Investigate and resolve incidents and service requests escalated from Level 1 support.
• Perform routine system administration, including account, access, configuration and environment support where authorised.
• Monitor system behaviour, support queues, recurring issues and service demand.
• Troubleshoot technical issues and escalate complex matters to senior technical teams or vendors when required.
• Support scheduled maintenance, system checks and service continuity activities.
• Assist with approved system updates, configuration changes and operational improvements.
• Contribute to root cause analysis and identifying recurring technical issues.
• Maintain accurate ticket notes, resolution details and technical records.
• Develop and maintain SOPs, work instructions, troubleshooting guides and knowledge articles.
• Support change and release activities, including impact assessment, testing and post-change validation.
• Provide technical input into operational reporting, issue registers, action tracking and service performance reporting.
• Participate in technical meetings, stand‑ups and stakeholder discussions.
• Identify opportunities to improve support processes, workflows and documentation.
• Follow security, information handling and system access requirements within a controlled ICT environment.

Skills

Level 2/3 ICT support

System administration

Troubleshooting

Incident management

Documentation

Stakeholder communication

Tools

ITIL/ITSM tools

Ticketing systems

System monitoring

Job description

Paxus in Canberra is seeking an experienced System Administrator / Systems Support Officer to join a secure, enterprise-scale technology environment. The role focuses on Level 2 and Level 3 support, system administration and incident resolution.

You will manage tickets, perform routine admin tasks, monitor systems, and contribute to documentation, change and release activities, ensuring service continuity and governance.