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Senior Network Engineer (Sydney)We're looking for an experienced Senior Network Engineer to join a leading telecommunications workplace, responsible for the end-to-end design, implementation, and optimization of carrier-grade IP networks supporting fixed broadband and 4G/5G mobile services.

Key Responsibilities
Design, build, and optimize Core IP/MPLS networks across backbone, aggregation, and edge layers
Deliver multi-vendor solutions leveraging Cisco, Nokia, and Juniper technologies
Configure and troubleshoot advanced routing protocols including BGP, OSPF, IS-IS, MPLS, Segment Routing, QoS, and IPv6




Lead network design initiatives across 4G/5G mobile core, IP backbone, transmission, and data center environments
Perform capacity planning, traffic engineering, and network performance optimization
Drive network automation and provisioning using tools such as Python, Ansible, and Cisco NSOManage complex fault isolation and resolution across multi-domain network environments
Provide technical leadership, mentoring, and support for project delivery

Required Skills & Experience
8+ years of experience in Telecommunications, ISP, or Carrier-grade Networking
Strong hands-on expertise with Cisco, Nokia, and Juniper platforms
Deep understanding of Core IP, MPLS, Traffic Engineering, High Availability, and IPv6
Experience supporting fixed broadband and 4G/5G mobile networks
Solid troubleshooting, design, and stakeholder management capabilities
Relevant certifications such as CCNP/CCIE, NRS/NRP, JNCIP/JNCIE are desirable
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📌 Senior Network Engineer City Of Sydney (Australia)
🏢 Renaissance InfoSystems
📍 Australia