Top Network Engineer Jobs in Sydney

Lead global corporate and cloud network architecture and roadmap. Design, deploy and operate secure, highly available hybrid LAN/WAN/Wi‑Fi/VPN across multi‑cloud and multi‑region sites. Own incident response, vendor hardware configuration, international connectivity (including China), infrastructure-as-code automation, documentation, mentoring, and participate in global on‑call rotations.

Support and manage ASX core network infrastructure (datacentre, internet, office, service provider), respond to incidents, perform capacity planning and monitoring, assist with network deployments and projects, operate within ITIL processes, design and support F5 and Palo Alto devices, and liaise with stakeholders to deliver mission-critical network solutions.

The role involves supporting infrastructure deployments, managing LAN/WAN environments, optimizing capacity and reliability, and collaborating with teams for network solutions.

Operate, monitor and maintain the MPLS core, data centre and global WAN; configure and deploy network infrastructure; troubleshoot complex underlay/overlay issues; develop automation and CI/CD tools; respond to incidents and participate in on-call; produce documentation and support project delivery.

Support and maintain LAN, WAN, WLAN, voice and security infrastructure; provide Level 2 support, monitor capacity and performance, assist in network projects, maintain firewalls, email/internet filtering and VoIP systems, and produce documentation.

The Broadcast Network Engineer is responsible for maintaining the network for 100% uptime, ensuring stability, security, and providing technical support within the mobile fleet.

The Network Engineer Tier 3 is responsible for supporting diverse network infrastructures, troubleshooting complex issues, and providing technical leadership. Tasks include network design, implementation, maintenance, and evaluation of network performance. The role also involves documentation and compliance with standards.

The Network Engineer Tier 2 supports diverse network infrastructures, ensuring compliance and troubleshooting across various networks while integrating new technologies.

Provide 24x7 network support for production and corporate networks, troubleshoot Layer 1-3 issues, maintain WAN/edge/datacenter/CDN infrastructure, perform installs/upgrades, collaborate with ISPs/vendors, monitor network health, and create/update SOPs. Shift-based role aligned to Sydney hours.

Designs and delivers scalable network automation solutions to improve network reliability. Works in agile teams to build self-service automation, troubleshoot complex network systems, contribute to planning, testing, and continuous improvement while engaging stakeholders and ensuring compliance and cost-effectiveness.

Lead and execute design, migration and build-out of core LAN and switching infrastructure for a data-centre relocation. Plan and raise changes, implement layer 2/3 fibre switching, configure routing protocols, ensure fault tolerance, test and sign off, assist DR client migrations and minimise user impact.

Lead and execute a federal datacentre relocation: design and implement IP/X.25 networks, layer 2/3 fibre and core switching, configure WAN/LAN hardware, manage OSPF/BGP/NAT/VLANs, support VoIP/PABX, create migration plans and test/signoff, and produce technical/operational documentation.

The Senior Network Engineer will architect and deliver solutions for QRT's network infrastructure, focusing on low latency trading environments. Responsibilities include managing complex networks, collaborating with teams, and staying informed on industry trends.

Senior Network DevOps Engineer applying DevOps principles to automate, provision, secure and operate on-premises network infrastructure. Responsibilities include Terraform/IaC deployments, network and firewall management, performance tuning, capacity planning, incident and security response, testing and commissioning, and collaborating with cybersecurity to remediate vulnerabilities.

Hands-on network engineer supporting Cisco-based LAN/WAN environments across multiple data centres. Troubleshoot incidents, maintain routing/switching/firewalls, monitor performance, implement security controls (VPNs/firewalls), perform root cause analysis, assist with Linux (RHEL/Ubuntu) support, support cloud networking (AWS/Azure), and contribute to upgrades, documentation and operational improvements.

The Senior Network Engineer will manage enterprise network infrastructure, resolve complex issues, lead incident response, and improve network performance across global locations.

The Senior Software Engineer will design and implement automation for complex network workflows, collaborate with telco teams, and employ AI-assisted tools for efficient solutions.

Lead the design and delivery of air network solutions, manage high-impact projects, and coordinate with stakeholders to translate complex customer needs into effective strategies.

As a Senior Network Engineer, you will manage and support high-availability network environments, ensuring robust performance, security compliance, and incident management while leading design and automation efforts.

Seeking a Senior Network Automation Engineer to enhance and maintain our Perl-based network automation systems, focusing on API development, technical debt reduction, and mentoring junior engineers.

The Network Engineer will design, implement, and support enterprise networking infrastructure, manage Cisco equipment, FortiGate firewalls, and participate in troubleshooting and optimization tasks across multiple sites.