Job Description: Network Support Engineer – OT / Manufacturing
Number of Openings: 4
Work Environment: Manufacturing Plant / Onsite Support
Job Type: Full-Time
Job Summary
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.
Key Responsibilities
- 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.
Required Technical Skills
- 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.
Preferred Qualifications
- 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.
Job Type: Full-time
Pay: $22.00 - $25.00 per hour
Benefits:
- 401(k)
- Dental insurance
- Health insurance
- Paid time off
- Vision insurance
Experience:
- DHCP: 3 years (Required)
- DNS: 3 years (Required)
- ServiceNow: 3 years (Required)
- Network support: 3 years (Required)
Work Location: In person