Senior Network Engineer - Carrier & Service Provider Networks Melbourne & Sydney Are you an experienced network engineer ready to take on challenging, high-scale infrastructure projects? Join a team working on complex carrier-grade networks supporting global connectivity. This is an opportunity to influence design, automation, and performance for mission-critical network systems. What Youll Be Doing Design, deploy, and optimize large-scale IP/MPLS networks, including core, aggregation, and edge layers. Lead engineering initiatives across BGP, OSPF/IS-IS, LDP/SR, and EVPN/VXLAN architectures. Maintain and improve Layer 2/3 transport, peering, and subscriber management infrastructures. Develop automation and monitoring solutions using Python, Ansible, APIs, and telemetry tools. Plan network capacity and scalability to align with traffic growth and evolving requirements. Troubleshoot complex routing, forwarding, and transport issues, collaborating with operations and architecture teams. Contribute to vendor assessments, network migrations, and documentation of standards and best practices. Who You Are 7 years of hands-on experience in service provider, carrier, or large-scale network environments.(Australian Citizenship is Mandatory for the role) Strong operational expertise in BGP, IS-IS/OSPF, MPLS (LDP/RSVP/SR), EVPN/VXLAN, and QoS. Experienced with Juniper (MX, QFX, ACX), Cisco (NCS, ASR), or Nokia (SR) platforms. Skilled in traffic engineering, route reflectors, L3VPN/L2VPN (VPLS, VPWS), GRE, and tunnelling architectures. Solid understanding of IPv6 deployment, network policy, and monitoring systems (SNMP, Telemetry, Splunk, Grafana). Excellent documentation, communication, and collaborative skills. Nice to Have Experience with SDN controllers such as Cisco NSO. Automation and scripting skills (Python, Netconf/YANG). Knowledge of optical transport, DWDM, or segment routing. Familiarity with datacenter architectures and technologies. Relevant certifications (JNCIP-SP, JNCIE-SP, CCNP/CCIE-SP or equivalent). Flexibility to travel up to 15% of the time. How to Apply To apply, please submit your CV along with a brief cover letter outlining your relevant experience and preferred location. Include any certifications or platform expertise you have. We encourage applications from candidates based in Melbourne, Sydney, Brisbane & Regional areas .