Systems Administrator – Automation, Backups & Security

5G Network Operations; Melbourne; On-site; AUD 90,000 - 130,000; Full time

Job summary

5GN Group is seeking a Systems Administrator to manage client IT environments and internal tooling like RMM, ensuring reliability, security and efficiency. You’ll be part of the Sysadmin team reporting to the Technical Team Leader, with mostly behind-the-scenes work and occasional client contact.

Responsibilities include incident resolution, patching, backups, monitoring, changes, and documentation, while providing clear technical guidance and automating repetitive tasks.

Qualifications

• Strong administration skills across Windows and/or Linux server environments.
• Hands-on experience with Microsoft 365, Azure or comparable cloud and identity platforms.
• Working knowledge of TCP/IP, DNS, DHCP, VPNs, firewalls and wireless.
• Familiarity with MSP tooling such as RMM, and its integrations with ticketing and documentation systems.
• Experience with virtualization, backup, endpoint management, monitoring and security tools.
• Scripting or automation skills (PowerShell, Bash).
• Methodical troubleshooting, risk assessment and root-cause analysis.
• Clear written and verbal communication, including explaining technical matters to non-technical people.
• A relevant tertiary qualification in IT or computer science, or equivalent demonstrated experience.
• Experience administering business-critical systems in a comparable environment.

Responsibilities

• Manage user accounts, groups, permissions and privileged access, following least-privilege principles
• Diagnose and resolve incidents and service requests within agreed SLAs, escalating complex or high-risk issues
• Apply security patches, endpoint controls and configuration standards, remediate vulnerabilities, and help respond to security incidents
• Monitor backups, triage failures and warnings, and deploy backup systems for customers using standard deployment guides
• Triage monitoring alerts by priority and tune monitoring metrics
• Plan, test, document and implement changes, upgrades, migrations and projects with minimal disruption
• Maintain system diagrams, procedures, inventories and audit evidence
• Give clear technical advice and guidance to colleagues and customers
• Automate repeatable tasks and recommend practical improvements to our services and controls

Skills

Windows Administration

Linux Administration

Microsoft 365

Azure

Networking basics

Scripting / automation

Education

Relevant IT tertiary qualification or demonstrated experience

Tools

Microsoft 365

Azure

RMM tooling

Ticketing systems

VMware / virtualization

Job description

5GN Group is seeking a Systems Administrator to manage client IT environments and internal tooling like RMM, ensuring reliability, security and efficiency. You’ll be part of the Sysadmin team reporting to the Technical Team Leader, with mostly behind-the-scenes work and occasional client contact.

Responsibilities include incident resolution, patching, backups, monitoring, changes, and documentation, while providing clear technical guidance and automating repetitive tasks.