We are seeking an experienced Senior Network Infrastructure Engineer to support a complex enterprise network and data centre environment. This is a hands-on technical role focused on network operations, infrastructure upgrades and migrations, hardware lifecycle management, redundancy and failover, and improving the resilience and availability of critical network services. You'll suit this role if you enjoy troubleshooting complex network issues, working directly with enterprise infrastructure, and delivering practical network improvements in a structured operational environment.
Key responsibilities
- Provide hands-on support for network incidents, outages and operational issues.
- Troubleshoot network connectivity, performance and availability problems.
- Implement network configuration changes, upgrades and service improvements.
- Plan and deliver migration of End-of-Life (EOL) network hardware to supported platforms.
- Support data centre network upgrades, hardware replacement and decommissioning.
- Configure and validate WAN redundancy and failover.
- Perform network resilience and failover testing.
- Identify single points of failure and implement resilience improvements.
- Design and implement redundant network tunnels to improve service availability.
- Configure IP loopback interfaces and support routing requirements.
About you
- Demonstrated experience in enterprise network engineering and data centre infrastructure.
- Strong hands-on experience with switches, routers, WAN connectivity and IP networking.
- Strong knowledge of TCP/IP, VLANs and routing protocols.
- Experience configuring and troubleshooting routing, redundancy and failover.
- Experience with data centre migrations and EOL hardware replacement.
- Experience designing and implementing highly available and resilient network solutions.
- Robust network troubleshooting, incident management and root cause analysis skills.
- Experience producing network diagrams, technical designs and operational documentation.
- Experience working within structured change management and IT service management environments.
- Strong communication skills and the ability to work effectively with infrastructure, security and operational teams.
📌 Senior Network Infrastructure Engineer (Sydney)
🏢 The Architecture Practice
📍 Sydney
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