> Markdown version of [/jobs/ext/4429428-network-support-engineer-ot-manufacturing](https://www.wearedevelopers.com/jobs/ext/4429428-network-support-engineer-ot-manufacturing). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Network Support Engineer - OT / Manufacturing

- **Company:** Ovation Workplace Services Inc.
- **Location:** Hopkinsville, KY, United States
- **Experience:** Experienced
- **Salary:** $45,760.0 - $52,000.0
- **Contract:** Permanent contract
- **Skills:** Spanning Tree Protocols, Dynamic Host Configuration Protocol, Software Design Documents, Domain Name System (DNS), Ethernet, EtherChannel, High-Level Architecture, Issue Tracking Systems, Networking Hardware, IP Addressing, Subnetting, Network Troubleshooting, Network Layer, Network Architecture, Network Control, Network Diagrams, Network Connections, Network Monitoring, Routing, Network Service, Virtual Local Area Networks, Wireless Access Point, Network Switches, Network Routers, Diagnostic Tools, Software Troubleshooting, Firewalls (Computer Science), Information Technology, Network Support, Operational Systems, Network Server, Servicenow
- **Published:** October 15, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=2378ce77a093a35a

## About the Role

* Basic routing and switching concepts.
 * Layer 2 and Layer 3 switches.
 * VLANs, access ports, and trunk ports.
 * MAC address tables and switch forwarding behavior.
 * Spanning Tree Protocol (STP) and EtherChannel.
 * IP addressing, subnetting, default gateways, and basic routing protocols.
 * Fiber-optic connectivity and OTDR testing fundamentals.
 * Ethernet cabling and end-to-end network troubleshooting.
 * Network device CPU utilization and performance troubleshooting.
 * ITSM tools and network monitoring applications.
 * Understanding of enterprise network architecture and HLD/LLD documentation., * Experience supporting networks in manufacturing, industrial, warehouse, or plant environments.
 * Familiarity with Operational Technology (OT) networks and industrial network-connected devices.
 * Experience with network monitoring, incident management, and ticketing systems.
 * Ability to diagnose network connectivity issues independently and document troubleshooting steps.
 * Strong communication, analytical, and problem-solving skills., * DHCP: 3 years (Required)
 * DNS: 3 years (Required)
 * ServiceNow: 3 years (Required)
 * Network support: 3 years (Required)

## Description

We are seeking a Network Support Engineer to support and troubleshoot network infrastructure within a manufacturing plant environment. The ideal candidate will have hands-on knowledge of network switches, basic routing, VLANs, enterprise network connectivity, and fiber-optic troubleshooting. The role involves supporting network-connected industrial devices, identifying connectivity issues, monitoring network performance, and ensuring reliable communication across the plant network., * Provide onsite network support for manufacturing plant infrastructure and operational technology (OT) networks.

 * Configure, monitor, and troubleshoot Layer 2 and Layer 3 switches and basic routing configurations.
 * Support VLAN configuration, access and trunk ports, Spanning Tree Protocol (STP), and EtherChannel.
 * Troubleshoot Ethernet connectivity, MAC address learning, IP addressing, subnetting, and network communication issues.
 * Perform fiber-optic cable troubleshooting using Optical Time-Domain Reflectometer (OTDR) testing and other appropriate diagnostic tools.
 * Identify and resolve fiber connectivity issues, signal loss, cable breaks, and network link failures.
 * Troubleshoot end-to-end network connectivity between switches, routers, network devices, and connected manufacturing equipment.
 * Monitor network performance, investigate high CPU utilization on network devices, and identify potential software, configuration, or traffic-related issues.
 * Use IT Service Management (ITSM) ticketing systems and network monitoring tools to track incidents, document findings, and resolve network issues.
 * Assist with network incident management, root cause analysis, escalation, and preventive maintenance.
 * Understand enterprise network architecture, including switches, routers, firewalls, access points, servers, and connected endpoint devices.
 * Maintain network documentation, including High-Level Design (HLD), Low-Level Design (LLD), network diagrams, configurations, and troubleshooting procedures.
 * Coordinate with IT infrastructure teams, plant operations, and other technical teams to maintain network availability.