Job Listings at Steel Dynamics, Inc.
From company careers site
Junior Network Administrator
- Location
- Columbus, MS, US
- Work mode
- On-site
- Employment type
- Full-time
About the job
Subsidiary Aluminum Dynamics Overview
We’re looking for a Junior Network Administrator to help support the network infrastructure across our offices, data center, and manufacturing plant. This is a hands-on role, ideal for someone with solid networking fundamentals who’s looking to grow into a Network Administrator or Network Engineer position.
Responsibilities
- Monitor network health, troubleshoot connectivity/latency/port issues, and review logs and alerts
- Configure switch ports, VLANs, trunks, and basic Layer 2 settings under change procedures
- Assist with installing and labeling switches, wireless access points, optics, and cabling; perform basic cable testing and physical-layer troubleshooting
- Maintain network documentation, including device inventory, assigned IP addresses, VLANs, switch-port records, uplinks, and diagrams.
- Coordinate with OT engineers, system admins, vendors, and end users during troubleshooting
- Support scheduled maintenance, upgrades, and expansion projects — including our new recycling plant buildout
- Participate in an on-call/after-hours rotation as experience grows
- Work directly with the Network Engineer to support daily operations, troubleshoot incidents, maintain documentation, and assist with network expansion projects.
Qualifications
Requirements
- Foundational understanding of TCP/IP, IPv4 addressing, and subnetting
- Understanding of switches, routers, firewalls, DNS, DHCP, and wireless APs
- Basic knowledge of VLANs, access/trunk ports, and Ethernet switching
- Comfort with basic troubleshooting tools (ping, traceroute, ARP, ipconfig/ifconfig, DNS lookups)
- Basic Windows and Linux command-line familiarity
- Strong documentation habits, clear communication skills, and the ability to read technical documentation and follow established procedures
- Ability to troubleshoot in a structured, methodical way — gathering evidence rather than making random changes — and to escalate before making risky production changes
- Comfort working in an active industrial/manufacturing environment” is correct, but your environment involves distance, heat, noise, PPE, lifts, network closets, and walking through active production areas.
- Valid driver's license
- High school diploma or equivalent; relevant certs, military, or IT experience a plus
Preferred
- 1–3 years in network support, NOC, infrastructure support, field technology, or a help-desk role involving network troubleshooting.
- CompTIA Network+, Cisco CCNA, or similar certification
- Experience with managed switches, VLANs/trunking, or Fortinet/Cisco equipment
- Familiarity with fiber optics, SFP modules, or wireless troubleshooting
- Exposure to industrial/OT/manufacturing environments
Steel Dynamics, Inc., and all affiliated entities are equal opportunity employers.
From Job Listings at Steel Dynamics, Inc.'s careers page (iCIMS), checked 3 Nov 2026.
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Posted 30 Sept 2026 · checked 3 Nov 2026 · Report this job