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# Network Technical Support Engineer

- **Company:** VDart, Inc.
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Contract:** Temporary to permanent
- **Skills:** Address Resolution Protocols, Border Gateway Protocol, Network Congestion, Dynamic Host Configuration Protocol, Network Address Translation, Domain Name System (DNS), Ethernet, Data-Flow Analysis, Monitoring of Systems, Networking Hardware, Internet Protocol, IPv4, IPv6, IP Routing, Multi-protocol Systems, Python (Programming Language), Network Layer, Routing, Packet Analyzer, Open Shortest Path First (OSPF), Ansible, Runbook, TCP/IP, Transmission Control Protocol (TCP), Wireshark, Virtual Local Area Networks, Computer Network Operations, XGS-PON, Software Troubleshooting, Low Latency, Network Support, Open Network Automation Platform
- **Published:** October 9, 2026
- **Apply:** https://www.careerjet.com/jobad/us6534b51d43933b592339cc5e4dfdf316

## About the Role

Skills: Layer 2/3 Troubleshooting | BGP | OSPF/IS-IS | TCP/IP | VLAN/QinQ | DHCP/DNS | IPv4/IPv6 | NAT/CGNAT | Wireshark/tcpdump | Network CLI | Broadband/ISP, * 5+ years in Network Engineering, Network Operations, or Technical Network Support.

 * Strong hands-on Layer 2 & Layer 3 troubleshooting.
 * Strong knowledge of TCP/IP, Ethernet, VLAN/QinQ, ARP, DHCP, DNS, IPv4/IPv6, BGP, OSPF/IS-IS, VRF, NAT/CGNAT, QoS, and IP Routing.
 * Experience with network device CLI and packet-flow analysis.
 * Hands-on Wireshark/TCP dump experience.
 * Strong troubleshooting, analytical, and RCA skills.

Preferred / Highly Desired:

 * Broadband / ISP / Fiber / FTTH experience.
 * GPON/XGS-PON, OLT/ONT, BNG/BRAS, RADIUS/AAA, CGNAT, MPLS/Segment Routing.
 * Broadband subscriber management and service assurance platforms.
 * Python/Ansible or network automation experience.
 * CCNA, CCNP, JNCIA/JNCIP or equivalent experience.

Key skills: Network Support Engineer, Broadband, Troubleshooting, TCP/IP.

## Description

* Seeking a Network Technical Support Engineer with 5+ years of experience supporting large-scale production networks.
 * The role focuses on troubleshooting Layer 2/Layer 3, broadband/IP networks, routing, connectivity, and production incidents.
 * Strong experience with fault isolation, packet analysis, RCA, and network device CLI is required., * Troubleshoot complex production issues involving connectivity, latency, packet loss, routing, and network performance.
 * Perform fault isolation across access, aggregation, transport, IP, routing, and customer-premises domains.
 * Troubleshoot VLAN/QinQ, Ethernet, ARP, STP, IPv4/IPv6, BGP, OSPF/IS-IS, VRF, DHCP, DNS, NAT/CGNAT, and QoS.
 * Analyze packet captures, logs, alarms, routing tables, interface statistics, and network telemetry.
 * Use network CLI, Wireshark/tcp dump, and monitoring tools for troubleshooting.
 * Own complex incidents through resolution and perform Root Cause Analysis (RCA).
 * Collaborate with NOC, Network Engineering, Architecture, Operations, Service Assurance, and vendors.
 * Support network upgrades, migrations, configuration changes, and new service launches.
 * Develop troubleshooting procedures, runbooks, and corrective actions.