Systems Administrator – Cloud & Security (Adelaide)

SEC Business Group Pty Ltd; Adelaide; On-site; AUD 90,000 - 120,000; Full time

Job summary

SEC Business Group Pty Ltd, based in Adelaide,South Australia, is seeking a skilled Systems Administrator to manage and support its IT infrastructure, including on‑prem and cloud systems. The role is full‑time and based in Adelaide, offering opportunities to maintain security, reliability, and performance of business systems.

The successful candidate will administer Windows Server and Microsoft 365, Azure AD, and network services, while ensuring backups, security, and compliance.

Qualifications

• Relevant qualification in Information Technology, Computer Science, or a related discipline.
• Experience in systems administration, infrastructure support, or enterprise IT environments.
• Experience administering Windows Server and Microsoft 365 environments.
• Experience supporting Azure and Azure Active Directory environments.

Responsibilities

• Administering and maintaining IT infrastructure, servers, desktop environments, networks, and cloud systems.
• Installing, configuring, supporting, and maintaining Windows server and desktop environments.
• Administering Microsoft 365 services including Exchange Online, SharePoint, Teams, and OneDrive.
• Managing identities, access controls, and group policies via AD and Azure AD.
• Supporting and maintaining Azure infrastructure, services, and cloud resources.
• Managing endpoint devices and security policies using Intune or similar tools.
• Monitoring system performance, backups, and security for reliable operation.
• Diagnosing and resolving system, hardware, software, and network issues.
• Maintaining network infrastructure including firewalls, switches, routers, DNS, and DHCP.
• Performing upgrades, deployments, patching, and preventive maintenance.
• Managing backups, recovery procedures, and disaster recovery planning.
• Maintaining IT documentation, asset records, and support logs.
• Assisting IT projects and infrastructure upgrades.
• Ensuring security, procedures, and compliance requirements are met.

Skills

Systems administration

Windows Server

Microsoft 365

Azure Active Directory

Network administration

Intune

Troubleshooting

Documentation

Education

IT qualification

Tools

Microsoft Azure

Job description

SEC Business Group Pty Ltd, based in Adelaide,South Australia, is seeking a skilled Systems Administrator to manage and support its IT infrastructure, including on‑prem and cloud systems. The role is full‑time and based in Adelaide, offering opportunities to maintain security, reliability, and performance of business systems.

The successful candidate will administer Windows Server and Microsoft 365, Azure AD, and network services, while ensuring backups, security, and compliance.