Network Technical Support Engineer

Full-time

VDart Inc

Washington DC

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.

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.

Apply

Vacancy posted 1 day ago

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