System Administrator – L1 Helpdesk (Sydney)

About the role

We are looking for a full‑time L1 Helpdesk – System Administrator to join our Sydney office. You will be the first line of support for employees, handling Windows and macOS issues while managing our day‑to‑day infrastructure.

Key responsibilities

• Provide L1 support for hardware, operating systems, applications, peripherals and access issues.
• Onboard and offboard staff – provision accounts, equipment, access rights and track assets.
• Administer Active Directory – users, groups, OUs, GPOs, DNS and DHCP.
• Maintain Windows Server environments – file services, DFS, SMB shares and permissions.
• Support and image Windows and macOS endpoints, apply patches and configure settings.
• Troubleshoot network connectivity (VLANs, switching, routing, Wi‑Fi, VPN) at L2/L3 level.
• Maintain office network equipment such as firewalls, switches and access points.
• Document procedures, runbooks and knowledge‑base articles.
• Escalate complex issues to senior infrastructure teams with clear context and track tickets to resolution.

Required profile

• Minimum 2 years experience in helpdesk, desktop support or junior sysadmin roles.
• Strong hands‑on experience with Windows 10/11 and macOS.
• Proficient in Windows Server administration, file shares, DFS and NTFS permissions.
• Solid knowledge of Active Directory, Group Policy, DNS and DHCP.
• Good understanding of L2/L3 networking fundamentals (VLANs, IP routing, VPN).
• Clear written and verbal communication in English.
• Customer‑focused mindset with a structured troubleshooting approach.

Required skills

• Windows 10/11, macOS
• Windows Server, Active Directory, DFS, SMB, NTFS permissions
• FortiGate, FortiAP, Aruba networking equipment
• VLANs, IP routing, DNS, DHCP, VPN
• PowerShell, Bash scripting
• MDM tools – Intune, OSQuery, FleetDN, JumpCloud, ManageEngine
• Identity & SSO platforms – Entra ID/Azure AD, Okta, Keycloak
• Backup and endpoint protection solutions
• Ticketing systems – Jira Service Management, Zendesk

What we offer

• Certified Great Place to Work® environment with focus on well‑being.
• Young, multicultural team and approachable leadership.
• High autonomy, opportunity to influence best practices.
• Continuous personal development, training budget and career growth.