System Administrator

3 hours ago

Sydney, New South Wales, Australia Hamilton Barnes 🌳 Full time $80,000 - $120,000 per year

About the Company

Join a high-performing and rapidly growing MSP delivering modern, secure, and scalable IT solutions to clients across Australia. With strong growth, a supportive culture, and a focus on innovation, this is an environment where you'll have autonomy, flexibility, and genuine development pathways.

The Opportunity

We're seeking a System Administrator to support, maintain, and improve customer environments across Aruba-based networks, Fortinet security, cloud platforms, and on-prem systems. This is a hands-on, varied technical role with full WFH flexibility.

You'll work directly with clients, solve escalated issues, contribute to project work, and play a key role in keeping their environments operating smoothly.

Key Responsibilities

  • Administer, troubleshoot, and optimise customer Aruba switching environments, including VLANs, routing, and network segmentation.
  • Configure, manage, and support Fortinet firewalls, VPNs, and security policies.
  • Maintain and support Windows Server, Active Directory, Group Policy, DNS, DHCP, IIS, and related services.
  • Support and administer Azure, Office 365, Exchange Online, SharePoint, and Intune.
  • Proactively monitor network and system performance, resolving issues before they impact clients.
  • Participate in project work including network refreshes, firewall upgrades, cloud migrations, and infrastructure optimisation.
  • Provide excellent communication and client-focused support in a multi-customer MSP environment.

Skills & Experience

Networking:

  • Aruba switching (CX/ProCurve)
  • Fortinet Firewalls (FortiGate) including SD-WAN, VPN, and security policy management
  • VLANs, routing fundamentals, wireless troubleshooting
  • Network monitoring tools and performance optimisation

Systems & Cloud:

  • Windows Server Administration
  • Active Directory, Azure AD, Group Policy
  • Office 365, Intune, Exchange Online
  • Azure IaaS (VMs, storage, identity)

MSP Experience:

  • Supporting multiple customer environments
  • Strong troubleshooting and communication skills
  • Working within SLAs and ticketing systems

What's In It For You

  • Fully remote (WFH) role with flexible hours
  • Join a fast-growing MSP with real career progression
  • Supportive team and collaborative engineering culture
  • Paid certification and training support

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