> Markdown version of [/jobs/ext/3549074-junior-network-administrator](https://www.wearedevelopers.com/jobs/ext/3549074-junior-network-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Network Administrator - **Company:** Steel Dynamics, Inc. - **Location:** Columbus, MS, United States - **Experience:** Starter - **Contract:** Permanent contract - **Skills:** 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, Network Planning and Design, Network Monitoring, Ping (Networking Utility), TCP/IP, Virtual Local Area Networks, Wireless Access Point, Network Routers, Firewalls (Computer Science), Information Technology, Low Latency, Network Support, Fortinet, Cisco - **Published:** October 2, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3414041601&tx=FP7168FFJ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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 ## 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.