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
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
Signal breakdown
freshnesssource trustcontent trustemployer trust
External application
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