systems administrator

Charlton Brown; City of Brisbane; On-site; AUD 85,000 - 110,000; Full time

Job summary

Charlton Brown is seeking a Systems Administrator to support and secure our ICT infrastructure across on‑premises and cloud environments. You will manage operating systems, servers, VMs and networks while ensuring reliable, documented systems that meet staff and organisational needs.

You will administer Microsoft 365, Active Directory, cloud platforms (Azure/AWS) and Linux-based environments, with a focus on security, backups and incident resolution.

Qualifications

• Bachelor's degree in information technology, computer science, computer or software systems engineering, or a closely related discipline.
• Demonstrated experience in systems administration and ICT infrastructure support.
• Experience administering Microsoft 365 and Active Directory environments.
• Experience supporting operating systems, servers, users and network infrastructure.
• Knowledge of cloud platforms such as Azure or AWS.
• Experience configuring virtual machines, including Linux-based environments.
• Knowledge of system security, backup, monitoring and performance optimisation.

Responsibilities

• Install, configure, administer, maintain and support operating systems, servers, VMs and cloud services.
• Administer Microsoft 365, Active Directory, user accounts, licences and access controls.
• Monitor server/network availability, security, capacity and performance.
• Diagnose and resolve server, workstation and network faults.
• Provide timely technical support to staff and authorised users.
• Configure Linux VMs and cloud infrastructure on Azure/AWS.
• Implement security controls, updates, patches and endpoint protection.
• Administer backup, recovery and business-continuity arrangements.

Skills

Microsoft 365

Active Directory

Cloud platforms

Linux and virtualization

Networking

System security

Education

Bachelor's degree in information technology / computer science or related discipline

Tools

Microsoft Azure

Amazon Web Services

Job description

The Systems Administrator will be responsible for administering and supporting Charlton Brown's operating systems, servers, cloud platforms, network environment, websites and associated business applications. The successful applicant will help ensure that our ICT systems remain secure, reliable, properly documented and capable of supporting staff, students and organisational operations. The position will also contribute to infrastructure improvement, system automation and technology projects across the organisation.

Key responsibilities

• Install, configure, administer, maintain and support operating systems, servers, virtual machines, cloud services, network systems and associated software.
• Administer Microsoft 365, Microsoft Active Directory, user accounts, security groups, permissions, licences, email services and access controls.
• Monitor the availability, security, integrity, capacity and performance of servers, networks, websites, cloud platforms and other ICT systems.
• Diagnose, resolve and repair server, workstation, software, network and communications infrastructure faults.
• Provide timely technical support to staff and other authorised users, including investigating and resolving system incidents and access issues.
• Configure and maintain Linux-based virtual machines and cloud infrastructure hosted on platforms such as Microsoft Azure and Amazon Web Services.
• Implement and maintain system security controls, including identity and access management, software updates, security patches, endpoint protection and appropriate permissions.
• Administer backup, recovery and business-continuity arrangements and periodically test the effectiveness of recovery procedures.
• Review system logs, alerts and performance information to identify faults, security risks, capacity constraints and opportunities for improvement.
• Monitor and adjust network and system performance to ensure that infrastructure components operate together effectively.

About you

• A relevant bachelor's degree in information technology, computer science, computer or software systems engineering, or a closely related discipline.
• Relevant professional experience in systems administration, ICT infrastructure support or a comparable technical position.
• Demonstrated experience administering Microsoft 365 and Microsoft Active Directory environments.
• Experience supporting operating systems, servers, user accounts, access permissions, workstations and network infrastructure.
• Practical knowledge of cloud platforms such as Microsoft Azure or Amazon Web Services.
• Experience configuring or maintaining virtual machines, including Linux-based environments.
• Experience diagnosing and resolving server, software, workstation, network and user-access problems.
• Knowledge of system security, patch management, backup, recovery, monitoring and performance optimisation.
• Strong written and verbal communication skills and the ability to explain technical matters clearly to non-technical users.
• Strong organisational, analytical, troubleshooting and time-management abilities.

About us

Charlton Brown is an award-winning Australian vocational education and training provider and a proud member of the NIET Group. For more than 30 years, we have delivered industry-focused education and nationally recognised qualifications to Australian and international students. Our programs span information technology, engineering, business, leadership, hospitality, cookery, community services, aged care, disability support, early childhood education and English-language preparation. We operate modern educational facilities and technology-enabled learning environments across multiple Australian locations.