Broadband Network Support Engineer (L2/L3)

StaffXpert LLC; Washington (District of Columbia); On-site; USD 90,000 - 130,000; Full time

Job summary

STAFFXPERT LLC in Seattle, WA is seeking a Network Technical Support Engineer - Broadband to troubleshoot complex broadband and IP networking issues, support production services, and perform root cause analysis across Layer 2/3 networks.

The ideal candidate has 5+ years in network engineering or technical support, hands-on experience with VLANs, BGP, IPv6, and packet analysis tools, and can collaborate with NOC, engineering, and operations to ensure reliability.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Telecommunications, or equivalent practical experience.
• 5+ years of experience in Network Engineering, Network Operations, or Technical Support.
• Strong hands-on experience troubleshooting Layer 2 and Layer 3 networks in production environments.
• Strong understanding of: TCP/IP and Ethernet networking; VLANs, ARP, DHCP, and DNS; IPv4 and IPv6; BGP, OSPF, and IS-IS; VRFs, NAT/CGNAT, QoS, and routing policies.
• Experience using network device CLI for troubleshooting and diagnostics. Proficiency with packet analysis tools such as Wireshark or tcpdump. Strong analytical, troubleshooting, and root cause analysis skills. Ability to work effectively in a fast-paced operational environment supporting critical network infrastructure.

Responsibilities

• Diagnose and resolve complex network incidents affecting customer connectivity, routing, latency, packet loss, and overall network performance.
• Perform fault isolation across access, aggregation, transport, routing, and service layers.
• Troubleshoot Layer 2 technologies, including VLANs, QinQ, Ethernet, ARP, STP, and MAC learning.
• Troubleshoot Layer 3 technologies including IPv4/IPv6, BGP, OSPF/IS-IS, VRFs, DHCP, DNS, NAT, and IP routing.
• Analyze packet captures, network logs, alarms, routing tables, interface statistics, and telemetry data to determine root cause.
• Utilize CLI tools and network monitoring platforms to investigate and resolve issues.
• Support broadband subscriber connectivity and service-related incidents.
• Drive technical issues through resolution and ensure timely restoration of services.
• Conduct root cause analysis for recurring and high-impact incidents.
• Collaborate with NOC, engineering, operations, and vendor teams on escalated issues.
• Develop and maintain troubleshooting documentation, operational procedures, and knowledge base articles.
• Participate in post-incident reviews and recommend improvements to network operations and monitoring processes.
• Support network maintenance activities, upgrades, migrations, and service launches.
• Validate network changes and troubleshoot any resulting service issues.
• Work closely with engineering teams to improve network performance, reliability, and operational efficiency.
• Assist in troubleshooting multi-vendor network environments and interoperability issues.

Job description

STAFFXPERT LLC in Seattle, WA is seeking a Network Technical Support Engineer - Broadband to troubleshoot complex broadband and IP networking issues, support production services, and perform root cause analysis across Layer 2/3 networks.

The ideal candidate has 5+ years in network engineering or technical support, hands-on experience with VLANs, BGP, IPv6, and packet analysis tools, and can collaborate with NOC, engineering, and operations to ensure reliability.