Senior Infrastructure Engineer: Network, Server & Cloud

IT Integrity; Brisbane; On-site; AUD 120,000 - 180,000; Full time

Job summary

IT Integrity is seeking a Senior Infrastructure & Service Desk Engineer (Level 2/3) in Brisbane. This role targets experienced professionals who can diagnose and resolve complex issues across network, server, Microsoft cloud, and endpoint environments.

You will act as an escalation point for other engineers and contribute to managed services excellence. The ideal candidate has a strong hands-on background in network infrastructure and can troubleshoot beyond the endpoint, determining whether

Qualifications

• 5+ years hands-on IT infrastructure/support experience, preferably in an MSP environment.

Responsibilities

• Own and resolve complex Level 2/3 incidents through to resolution.
• Troubleshoot LAN, WAN, VPN, routing, switching, firewall and wireless infrastructure.
• Diagnose network performance, connectivity, DNS, DHCP, VLAN and routing issues.
• Configure and support managed switches, firewalls, wireless access points and other network infrastructure.
• Troubleshoot complex issues across Windows Server, Active Directory, DNS and DHCP.
• Administer and troubleshoot Microsoft 365, Entra ID, Exchange Online, Teams and Intune.
• Support Azure-hosted infrastructure and hybrid environments.
• Perform root cause analysis for recurring and high-impact incidents.
• Perform proactive infrastructure maintenance, patching, vulnerability remediation and health checks.
• Manage technical escalations with vendors, carriers and third-party providers.
• Provide technical guidance and escalation support to Level 1 and Level 2 engineers.
• Maintain accurate documentation, ticket notes, knowledge articles and client environment information.
• Assist with infrastructure upgrades, migrations, deployments and other technical project activities.
• Identify opportunities to improve the reliability, security and performance of client environments.

Skills

Networking

Windows Server

Active Directory

Microsoft 365

VPN & NAT

Troubleshooting

Documentation

Tools

Fortinet

Cisco

Aruba

Meraki

Microsoft Azure

Hyper-V

VMware

Intune

Job description

IT Integrity is seeking a Senior Infrastructure & Service Desk Engineer (Level 2/3) in Brisbane. This role targets experienced professionals who can diagnose and resolve complex issues across network, server, Microsoft cloud, and endpoint environments.

You will act as an escalation point for other engineers and contribute to managed services excellence. The ideal candidate has a strong hands-on background in network infrastructure and can troubleshoot beyond the endpoint, determining whether