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About the Role

This is a hands-on senior role for an engineer who is comfortable troubleshooting complex network issues, diving into Linux networking, analyzing packet captures, and solving infrastructure problems. You will be a key technical escalation point responsible for keeping the company's LAN, WAN, WLAN, and data centre networks reliable, secure, and highly available. This role combines network engineering, Linux administration, troubleshooting, automation, and continuous improvement, offering genuine ownership and opportunities for enhancement.

Responsibilities

Act as the L3 escalation point for complex network incidents and problems
Operate, troubleshoot, and optimise enterprise LAN, WAN, WLAN, and data centre networks
Design, peer-review, implement, and validate network changes
Troubleshoot BGP, OSPF, VLANs, STP, LACP, MLAG/VPC, QoS, and policy-based routing
Perform packet captures, traffic analysis, and root-cause investigations
Manage enterprise WiFi infrastructure, including Extreme Networks controllers
Troubleshoot 802.1X, RADIUS, WPA2/WPA3, roaming, and guest networks
Administer Linux environments across CentOS and Ubuntu
Troubleshoot Linux networking using iproute2, nftables/iptables, tc, namespaces, bonding, bridging, and VLANs
Manage enterprise firewalls, VPNs, and Linux-based firewalling
Support network monitoring, logging, and observability platforms
Develop automation and tooling using Bash and Python or Go
Maintain accurate network architecture and operational documentation
Identify opportunities to improve reliability, automation, performance, and support processes

Requirements

5+ years’ network engineering experience, including 2+ years at senior/L3 level
Strong production experience with BGP and OSPF
Advanced Layer 1, Layer 2, and Layer 3 troubleshooting skills
Strong Linux administration skills, with the ability to troubleshoot networking from the command line
Experience managing enterprise wireless environments
Strong understanding of TCP/IP and network fundamentals
Experience with enterprise firewalls and VPNs
Strong troubleshooting and analytical skills
Excellent documentation and incident communication skills
Experience with Bash and at least one scripting language such as Python, Go, Ruby, or PowerShell
Ability to work independently while collaborating effectively with technical teams
Ansible or other network automation experience
Experience with Nagios, Prometheus, Grafana, ELK, Splunk, Datadog, or similar monitoring platforms
CCNP, CCIE, RHCE, or relevant industry certifications
Degree in Computer Science, Engineering, or a related discipline
Prospective candidates will be required to provide proof of legal work rights
May be required to undertake relevant, role-appropriate pre-employment screening
If you require any reasonable adjustments to participate in the recruitment process at any stage, please let us know

Skills

BGP
OSPF
Linux networking
Packet capture analysis
Infrastructure troubleshooting
LAN
WAN
WLAN
Data centre networks
Extreme Networks controllers
802.1X
RADIUS
WPA2/WPA3
Firewalls
VPNs
Bash
Python
Go
iproute2
nftables/iptables
tc
namespaces
bonding
bridging
VLANs
STP
LACP
MLAG/VPC
QoS
policy-based routing
TCP/IP
Network fundamentals
Ansible
Nagios
Prometheus
Grafana
ELK
Splunk
Datadog

Location

Sydney CBD

Work Type

Full-time

Experience Level

Senior
L3

Education Level

Degree in Computer Science, Engineering, or a related discipline
CCNP, CCIE, RHCE, or relevant industry certifications

About the Company

Kanji IT is looking for a Senior Network Engineer to take ownership of enterprise network operations, infrastructure, and L3 escalation across a complex APAC environment.
You’ll work as part of a follow-the-sun technical team across Sydney, Auckland, and Perth, collaborating closely with infrastructure, security, development, and support teams.
Senior technical role with genuine ownership of the network
Work across a complex APAC environment
Be part of a follow-the-sun technical team across Sydney, Auckland, and Perth
Work closely with infrastructure, security, development, and technology leaders
Opportunity to drive automation and improve network reliability
Solve challenging technical problems across a Linux-heavy environment

Equal Opportunity

Kanji IT is an equal opportunity employer and welcomes applications from people of all backgrounds, experiences and identities.