Network Incident Response Engineer

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Key Responsibilities Respond to and resolve high-priority network incidents, including P1 incidents requiring immediate engagement and rapid service restoration. Manage and progress P2 and P3 incidents within the operational support queue. Support manufacturing, warehouse, and office locations throughout North America and the broader global enterprise. Perform troubleshooting across OSI Layers 1 through 4 to isolate faults and restore services. Diagnose network outages, slowness, connectivity issues, hardware failures, software defects, and performance degradation.

Troubleshoot Layer 2 technologies including VLANs, trunking, MAC address tables, spanning-tree operations, switching loops, and wireless connectivity. Troubleshoot Layer 3 technologies including IP addressing, subnetting, inter-VLAN routing, routing tables, WAN connectivity, and BGP operations. Analyze Layer 4 connectivity issues involving TCP, UDP, firewall policies, application reachability, session establishment, resets, and timeouts. Support SD-WAN operations and troubleshooting activities utilizing Cisco vManage.

Investigate site outages and node failures to determine root cause and implement corrective actions. Coordinate with internet service providers and telecommunications carriers to resolve WAN and circuit-related issues. Troubleshoot wireless saturation, RF interference, roaming issues, access point connectivity problems, and endpoint wireless challenges. Identify network changes, hardware failures, software bugs, and external factors contributing to incidents. Use network monitoring, observability, and troubleshooting platforms to identify affected infrastructure and accelerate service restoration.

Participate in daily operational review meetings and dashboard reviews to prioritize workload and track incident progress. Work alongside senior engineers to learn enterprise troubleshooting methodologies and operational best practices. Support incident response activities in a zero-trust network environment. Participate in an on-call rotation supporting critical production networks. Day-to-Day Environment Review operational dashboards and incident queues daily. Manage approximately 120 active operational tickets in a fast-paced support environment.

Support a network environment experiencing significant annual incident volume. Work with multiple monitoring and observability platforms to locate and resolve issues. Collaborate with engineering teams, local site contacts, network providers, and internal stakeholders. Utilize a broad collection of operational and troubleshooting tools while continuously expanding technical expertise. Qualifications

Required Qualifications CCNP certification. 6+ years of enterprise network engineering, network operations, or incident response experience. Strong hands-on troubleshooting experience in large enterprise environments. Deep understanding of TCP/IP networking fundamentals and the OSI model. Experience troubleshooting Layer 2 and Layer 3 networking issues. Strong knowledge of:
Switching and routing VLANs STP (Spanning Tree Protocol) BGP (Border Gateway Protocol) WAN technologies IP subnetting and binary concepts LAN and wireless networking Experience supporting Cisco enterprise networking environments. Experience troubleshooting network hardware failures and software defects. Experience working directly…