Senior IT Systems Administrator

Remote
This Job is No Longer Active This position is no longer accepting applications
AI Summary

Join a rapidly growing MSP delivering modern, secure, and scalable IT solutions. This is a hands-on, varied technical role with full WFH flexibility. You'll work directly with clients, solve escalated issues, and contribute to project work.

Key Highlights
Administer, troubleshoot, and optimize customer Aruba switching environments
Configure, manage, and support Fortinet firewalls, VPNs, and security policies
Maintain and support Windows Server, Active Directory, and related services
Support and administer Azure, Office 365, and Intune
Proactively monitor network and system performance, resolving issues before they impact clients
Technical Skills Required
Aruba switching Fortinet Firewalls (FortiGate) Windows Server Administration Active Directory Azure Office 365 Intune Azure IaaS (VMs, storage, identity) Group Policy DNS DHCP IIS SD-WAN VPN Network monitoring tools Performance optimisation
Benefits & Perks
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

Job Description


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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