Senior Network Engineer — Hybrid, Global Incident & WAN

Gdh Consulting, Inc.; Warren (MI); Hybrid; USD 80,000 - 84,000; Full time

Job summary

Gdh Consulting, Inc. in Warren, MI is seeking an experienced Senior Enterprise Network Engineer to respond to and resolve complex incidents across North America and globally.

You will support manufacturing, warehouse, and office locations, ensuring network stability and fast recovery from outages. The role requires proactive incident management, deep TCP/IP/OSI expertise, and hands-on troubleshooting across Layer 1–4, with a focus on Layer 2/3, BGP/WAN, and firewall concepts.

Qualifications

• CCNP certification and 6+ years of enterprise network engineering, operations, or incident response experience are required.

Responsibilities

• Respond to and resolve high-priority network incidents, including P1 incidents requiring urgent attention and service restoration
• Manage and escalate P2 and P3 incidents within the operations queue
• Troubleshoot network issues across OSI Layers 1–4, including hardware, connectivity and software defects
• Support Layer 2 technologies such as VLANs, trunking, spanning-tree, and wireless connectivity
• Diagnose Layer 3 routing issues including IP addressing, inter-VLAN routing, WAN, and BGP
• Analyze Layer 4 connectivity problems involving TCP, UDP, firewalls, and application reachability
• Support SD‑WAN and troubleshooting with Cisco vManage and related tools
• Investigate site outages and node failures to identify root causes and corrective actions
• Collaborate with service providers and internal teams to resolve WAN and circuit problems
• Participate in daily operations reviews, incident tracking, and on-call rotation

Skills

Troubleshooting complex networks

Incident management

TCP/IP & OSI model

Layer 2/3 networking

Firewall & zero-trust concepts

Log analysis & telemetry

Strong communication

Education

CCNP certification

6+ years enterprise network engineering / incident response

Tools

Cisco vManage

Job description

Gdh Consulting, Inc. in Warren, MI is seeking an experienced Senior Enterprise Network Engineer to respond to and resolve complex incidents across North America and globally.

You will support manufacturing, warehouse, and office locations, ensuring network stability and fast recovery from outages. The role requires proactive incident management, deep TCP/IP/OSI expertise, and hands-on troubleshooting across Layer 1–4, with a focus on Layer 2/3, BGP/WAN, and firewall concepts.