Network Technical Support Engineer
Full-time
VDart Inc
Job Title: Network Technical Support Engineer
Location: Seattle, WA (Onsite)
Duration: 6 Months
Job Summary:
- 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.
Key Responsibilities:
- 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.
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
Required Skills:
- 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.
Vacancy posted 1 day ago
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