Take ownership of complex enterprise network environments

Emerging IT is an Australian Managed Service Provider supporting more than 280 businesses nationally. We’re looking for an experienced Level 3 Network Engineer / Technician with strong enterprise networking experience across Cisco, Juniper and Fortinet to join our Sydney Technical Support team.

This is a hands-on senior technical role supporting a dedicated enterprise environment. You’ll own complex Level 3 incidents, troubleshoot enterprise networks, support infrastructure changes and provide technical guidance to Level 1 and Level 2 engineers.

About the Role

You’ll be responsible for

- Owning and resolving complex L3 networking and infrastructure incidents
- Troubleshooting complex Layer 2 and Layer 3 network environments
- Troubleshooting routing, switching, VLANs, LAN/WAN, VPN, wireless and connectivity issues
- Supporting Cisco, Juniper, Juniper Mist, Aruba and Meraki environments
- Troubleshooting Fortinet and Sophos firewalls
- Working with OSPF, BFD, STP, BPDU Guard, REP and stacking technologies
- Supporting Cisco StackWise and StackWise Virtual
- Working with FortiGate VDOMs and HA/failover
- Supporting Juniper Virtual Chassis and Junos
- Performing root cause analysis and resolving recurring issues
- Supporting network upgrades, infrastructure refreshes and project work
- Managing network and firewall changes through appropriate change-control processes
- Working with vendors, technical teams and client stakeholders on complex incidents
- Maintaining network diagrams, configuration records and asset documentation
- Mentoring Level 1 and Level 2 engineers

About You

You’ll bring

- Experience working at L3 or as a senior technical escalation point




- Experience within an MSP or complex enterprise IT environment
- Strong hands-on enterprise networking experience
- Strong Cisco networking experience
- Experience with Juniper, including Juniper Mist
- Experience with Aruba, with exposure to Meraki
- Strong knowledge of routing, switching, VLANs, TCP/IP, DNS, DHCP, LAN/WAN and VPN
- Hands-on FortiGate experience
- Strong network troubleshooting and root cause analysis skills
- Excellent communication and stakeholder management skills
- The ability to work independently, manage priorities and take ownership of complex issues
- Experience mentoring junior engineers

Certifications Relevant certifications are highly regarded, including:

- CCNA / CCNP
- Fortinet
- Juniper JNCIA / JNCIS
- Juniper Mist
- Aruba
- ITIL v4 Foundation

Why Join Emerging IT?

- Supportive and cooperative technical team
- Exposure to complex enterprise networking environments
- Technical development and certification support
- Career development opportunities
- Team events and activities

Location This is a Sydney-based, on-site position, working across our North Sydney office and dedicated client site in Barangaroo as required. This role does not include a work-from-home arrangement.

Pre-Employment Requirements The successful applicant will be required to complete a National Police Check as part of our pre-employment screening process. Employment is subject to the satisfactory completion of all required background checks.

Ready for your next challenge?

If you’re an experienced Network Engineer or Level 3 Technician who enjoys solving complex technical problems, taking ownership and working hands-on across enterprise networking environments, we’d love to hear from you.

Apply now to join the Emerging IT team.

📌 Level 3 Network Engineer (Sydney)
🏢 Emerging IT
📍 Sydney