L2/L3 Network Support Engineer – Onsite Redmond

Inabia Software & Consulting Inc.; Redmond; On-site; AUD 130,000 - 203,000; Full time

Job summary

Inabia Software & Consulting Inc. is seeking a W2 Network Support Engineer in Redmond, WA to provide post-launch technical support for a broadband network.

You will diagnose and resolve complex issues spanning access, transport, and IP layers, working across NOC, engineering, and operations teams to restore service quickly. The role requires hands-on troubleshooting with CLI, packet analysis, and collaboration with vendors.

Qualifications

• 5+ years of experience in network engineering, network operations, or technical support.
• Experience supporting large-scale production IP/broadband networks.
• Experience working in a 24x7 operational environment and supporting critical incidents.
• Experience troubleshooting multi-vendor network environments.

Responsibilities

• Provide L2/L3 technical support for production broadband network issues following service launch.
• Troubleshoot complex incidents involving customer connectivity, service degradation, packet loss, latency, routing, reachability, and network performance.
• Analyze issues across the network stack to determine root cause and responsible domain.
• Perform fault isolation and identify network elements, interfaces, routes, configurations, or services contributing to incidents.
• Troubleshoot VLANs, QinQ, Ethernet, ARP, MAC learning, STP in access/aggregation domains.
• Troubleshoot IPv4/IPv6, BGP, OSPF/IS-IS, VRFs, DHCP, DNS, NAT, and IP connectivity.
• Analyze packet captures, logs, alarms, and telemetry to identify root causes.
• Hands-on troubleshooting using CLI and network management tools.
• Validate issues by testing paths, interfaces, routes, and service dependencies.
• Support troubleshooting of broadband subscriber connectivity, including DHCP/IP address assignment, authentication, routing, DNS, CGNAT, and reachability.

Skills

L2/L3 troubleshooting

Network incident analysis

Cross-domain collaboration

Education

CCNA/CCNP or equivalent

Tools

CLI access

Job description

Inabia Software & Consulting Inc. is seeking a W2 Network Support Engineer in Redmond, WA to provide post-launch technical support for a broadband network.

You will diagnose and resolve complex issues spanning access, transport, and IP layers, working across NOC, engineering, and operations teams to restore service quickly. The role requires hands-on troubleshooting with CLI, packet analysis, and collaboration with vendors.