Junior Network Administrator

Steel Dynamics, Inc.
Columbus, MS, United States
6 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Starter
Experience required
1 year minimum
Working hours
Regular working hours

Tech stack

Microsoft Windows Address Resolution Protocols CompTIA Network+ Dynamic Host Configuration Protocol Domain Name System (DNS) Ethernet IP Addressing IPv4 Subnetting Traceroute Network Troubleshooting Linux Commands
+13 more
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Job description

  • 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.

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 environmentā€ 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

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