Network Administrator

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Network AdministratorInfrastructure & Cloud
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Quick Summary

Overview

SubsidiarySteel Dynamics Overview Own the day-to-day operation, reliability, and growth of the Cisco-based network infrastructure across the division’s offices, data center, and manufacturing plant.

Technical Tools
Network AdministratorInfrastructure & Cloud
Steel Dynamics

Own the day-to-day operation, reliability, and growth of the Cisco-based network infrastructure across the division’s offices, data center, and manufacturing plant. This is a hands-on role for a network professional with strong Cisco skills who is comfortable

supporting networks in a manufacturing environment.

Responsibilities

~1 min read
  • →Administer, configure, and maintain Cisco routers, Catalyst switches, wireless LAN controllers and access points, and firewalls across office, data center, and plant environments
  • →Manage Cisco firewall and VPN connectivity to remote sites
  • →Implement VLANs, trunking, spanning tree, and inter-VLAN routing per change management procedures
  • →Proactively monitor network health and performance, analyze logs and alerts, and lead troubleshooting and root-cause analysis for complex connectivity, latency, and outage issues
  • →Support plant-floor and OT networks, partnering with OT and controls engineers to keep production systems connected, segmented, and secure
  • →Plan and execute maintenance, IOS upgrades, hardware refreshes, and expansion projects
  • →Oversee installation of switches, access points, optics, and fiber/copper cabling
  • →Maintain accurate network documentation, including device inventory, IP addressing, VLANs, switch-port records, uplinks, configuration backups, and diagrams
  • →Apply network security best practices, including ACLs, port security, segmentation, and configuration standards
  • →Coordinate with system administrators, vendors, service providers, and end users, and mentor junior IT staff
  • →Occasional night and weekend work required

Requirements

~1 min read
  • Strong, hands-on Cisco expertise, including IOS/IOS-XE CLI, Catalyst switching, routing, and wireless
  • In-depth knowledge of TCP/IP, IPv4 addressing and subnetting, VLANs, trunking, spanning tree, DNS, and DHCP
  • Experience configuring and supporting firewalls, VPNs, and network segmentation
  • Proficiency with network monitoring and troubleshooting tools, and a structured, evidence-based approach to diagnosing problems
  • Strong documentation habits and clear communication skills with both technical and non-technical audiences
  • Self-starter who works well independently and as part of a team
  • Ability to work in an active industrial environment, including heat, noise, required PPE, use of lifts, network closets, and walking long distances through active production areas
  • Valid driver’s license
  • Associate’s degree in an IT-related field

Preferred: 

  • Cisco CCNA certification strongly preferred; CCNP a plus
  • 6–8 years of progressive network administration or engineering experience, with significant time supporting networks in a manufacturing or industrial setting
  • Experience with Cisco Unified Communications Manager (CUCM)
  • Experience with Cisco Industrial Ethernet (IE) switches
  • Hands-on experience with fiber optics, SFP modules, and wireless site surveys
  • Experience supporting network buildouts for new facilities or major plant expansions
  • Bachelor’s degree in an IT-related field

 

Location & Eligibility

Where is the job
Not specified
Location terms not specified

About this job

Posted
Today
Employer
has 61 open jobs on Jobera.

Listing Details

Posted
October 21, 2026
First seen
October 21, 2026
Last seen
October 21, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
55%
Scored at
October 21, 2026

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Network Administrator