Systems Administrator

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

About SEC Business Group

SEC Business Group Pty Ltd is an established engineering, fabrication, and industrial services company based in Adelaide, South Australia. We specialise in conveyor systems, mechanical engineering, fabrication, and project services. Our business depends on reliable, secure, and efficient IT systems to support daily operations, engineering functions, communications, and digital platforms.

We are seeking an experienced Systems Administrator to manage, maintain, and support the organisation’s IT infrastructure, systems, and cloud services.

Position Overview

The Systems Administrator is responsible for the administration, maintenance, monitoring, and support of the organisation’s IT systems, servers, networks, cloud platforms, and user environments. The role ensures the ongoing performance, security, availability, and reliability of business‑critical IT infrastructure and services, while also providing technical support and contributing to system improvements across the business.

This is a full-time permanent position based in Adelaide, South Australia.

Key Responsibilities

The successful candidate will be responsible for:

• Administering and maintaining the organisation’s IT infrastructure, including servers, desktop environments, networks, and cloud‑based systems
• Installing, configuring, supporting, and maintaining Windows server and desktop operating environments
• Administering Microsoft 365 services, including Exchange Online, SharePoint, Teams, and OneDrive
• Managing user identities, access controls, permissions, and group policies through Active Directory and Azure Active Directory
• Supporting and maintaining Microsoft Azure infrastructure, services, and related cloud resources
• Managing endpoint devices, security policies, and deployment profiles using Microsoft Intune or similar management platforms
• Monitoring system performance, availability, backups, and security to ensure reliable and efficient operation of IT systems
• Diagnosing and resolving system, hardware, software, and network issues to minimise disruption and downtime
• Supporting and maintaining network infrastructure, including firewalls, switches, routers, wireless networks, TCP/IP, DNS, and DHCP services
• Performing system upgrades, software deployment, patch management, and preventative maintenance activities
• Managing backup processes, recovery procedures, and contributing to disaster recovery and business continuity planning
• Maintaining IT documentation, asset records, system configurations, procedures, and support logs
• Assisting with the planning and implementation of IT projects, infrastructure upgrades, and technology improvements
• Ensuring systems are maintained in accordance with organisational security requirements, operational procedures, and compliance standards

Skills and Experience

To be considered for this role, applicants should have:

• Relevant qualification in Information Technology, Computer Science, or a related discipline
• Demonstrated experience in systems administration, infrastructure support, or enterprise IT environments
• Experience administering Microsoft Windows Server and Microsoft 365 environments
• Experience supporting Microsoft Azure and Azure Active Directory environments
• Sound knowledge of network administration principles, including TCP/IP, DNS, DHCP, firewalls, and switching
• Experience with endpoint and device management solutions such as Microsoft Intune
• Strong troubleshooting, technical analysis, and problem‑solving skills
• Ability to manage multiple priorities, work independently, and maintain reliable IT operations
• Strong communication and documentation skills

Employment Details

Position: Full‑time, Permanent

Location: Adelaide, South Australia

Salary: Competitive salary based on experience