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Steel Dynamics · Columbus, MS

# Junior Network Administrator

Columbus, MS, US Full-time Administrative 

Listed on Steel Dynamics’s official careers site. Posted September 30, 2026. Check that it is still open and apply there.
[Apply on Steel Dynamics’s careers site →](https://careers-aluminumdynamics.icims.com/jobs/8194/junior-network-administrator/job?in_iframe=1)

[OpenNash Jobs](https://jobs.opennash.com/) / [Steel Dynamics](https://jobs.opennash.com/companies/steel-dynamics/) / Junior Network Administrator

## Job description

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.

## At a glance
- Posted by the employer: Sep 30, 2026
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 18 days
- Location: Columbus, MS, US
- Employment type: Full-time[Apply on Steel Dynamics’s careers site →](https://careers-aluminumdynamics.icims.com/jobs/8194/junior-network-administrator/job?in_iframe=1)

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