Senior Network Incident Response Engineer

Location: Warren, MI (Hybrid – 3 Days Onsite)
Job Type: Contract – 18 Months
Experience: 6+ Years
Certification: CCNP Required

Job Description

We are seeking an experienced Senior Network Incident Response Engineer to support enterprise network operations, incident management, and production network infrastructure across manufacturing facilities, warehouses, and corporate locations throughout North America and globally.

The ideal candidate will have strong hands-on experience with Cisco enterprise networking, Layer 2/Layer 3 troubleshooting, routing and switching, BGP, STP, VLANs, WAN connectivity, and critical incident response.

This position requires someone capable of independently troubleshooting complex network issues, managing high-priority P1/P2 incidents, coordinating with Cisco TAC and telecommunications providers, and restoring network services in a fast-paced enterprise environment.

Key Responsibilities

• Respond to and resolve critical network incidents, including P1, P2, and P3 incidents.

• Perform advanced network troubleshooting across OSI Layers 1–4.

• Troubleshoot Cisco enterprise switching, routing, VLANs, trunking, STP, MAC address tables, and switching loops.

• Investigate BGP routing issues, IP addressing, subnetting, routing tables, inter-VLAN routing, and WAN connectivity.

• Diagnose TCP/UDP connectivity issues, firewall policies, application reachability, connection resets, and session timeouts.

• Support Cisco SD-WAN operations and troubleshooting using Cisco vManage.

• Investigate network outages, hardware failures, software defects, packet loss, and performance degradation.

• Troubleshoot enterprise wireless issues, including RF interference, wireless saturation, roaming, and access point connectivity.

• Coordinate with Cisco TAC, ISPs, telecommunications carriers, and internal engineering teams to resolve network issues.

• Analyze network logs, interface statistics, routing information, and monitoring telemetry to identify root causes.

• Support enterprise LAN/WAN infrastructure across manufacturing, warehouse, and corporate environments.

• Participate in daily operational reviews, incident prioritization, and service restoration activities.

• Maintain incident documentation, troubleshooting records, and root cause analysis.

• Participate in an on-call rotation supporting critical production network infrastructure.

Required Technical Skills

• Active CCNP certification.

• 6+ years of enterprise network engineering, network operations, or network incident response experience.

• Strong hands-on experience supporting Cisco enterprise networking environments.

• Advanced knowledge of TCP/IP networking and OSI Layers 1–4.

• Strong troubleshooting experience with:

  • Cisco Routers and Switches

  • LAN/WAN Technologies

  • VLANs and Trunking

  • Spanning Tree Protocol (STP)

  • BGP Routing

  • IP Addressing and Subnetting

  • Inter-VLAN Routing

  • Routing Tables and Network Redundancy

  • TCP, UDP, and Firewall Concepts

  • Wireless Networking

• Experience diagnosing enterprise network outages and production connectivity issues.

• Experience handling P1/P2 incidents and managing high-volume operational support queues.

• Experience troubleshooting network hardware failures and software defects.

• Hands-on experience working with Cisco TAC and third-party service providers.

• Ability to analyze network logs, interface statistics, packet flows, and telemetry data.

• Strong understanding of redundant network architecture and Layer 2 loop prevention.

• Excellent communication, troubleshooting, and incident ownership skills.

Preferred Qualifications

• Experience with Cisco SD-WAN and Cisco vManage.

• Experience with Cisco Catalyst Center.

• Experience with Cisco enterprise wireless infrastructure.

• Experience using ThousandEyes and LiveNX.

• Experience with ServiceNow incident management.

• Knowledge of DNS, DHCP, and IP Address Management (DDI).

• Exposure to load balancing technologies.

• Experience supporting large-scale manufacturing or warehouse network environments.

• Exposure to Zero Trust network environments.

• Experience working with ISP and carrier monitoring portals.

Tools & Technologies

Cisco Networking, Cisco Catalyst, Cisco IOS/IOS-XE, Cisco SD-WAN, Cisco vManage, Cisco Catalyst Center, BGP, STP, VLANs, TCP/IP, UDP, LAN/WAN, Routing and Switching, Cisco Wireless, ThousandEyes, LiveNX, ServiceNow, DNS, DHCP, IPAM, Network Monitoring and Observability Platforms.

Work Schedule & On-Call Requirements

• Hybrid work arrangement with a minimum of 3 days onsite per week in Warren, Michigan.

• 1–2 remote workdays per week.

• Participate in a day/evening on-call rotation approximately once every 10 days.

• Weekend support approximately once every 10 weeks.

• Weekend coverage runs from Saturday 6:00 AM through Monday 6:00 AM.

• Work schedules may be adjusted during on-call and weekend coverage periods.

Ideal Candidate Profile

The ideal candidate is a hands-on Cisco Network Engineer with strong enterprise network troubleshooting experience, CCNP certification, and proven ownership of critical network incidents.

Candidates with experience in large-scale enterprise NOC operations, production network support, manufacturing infrastructure, Cisco routing and switching, BGP, STP, and WAN troubleshooting are strongly encouraged to apply.

Interested candidates should share their updated resume along with CCNP certification details and availability.