Junior Network Administrator
Steel Dynamics, Inc · Columbus, MS · 2 wk ago
Information TechnologyFull-time
Aluminum Dynamics 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. Monitor network health, troubleshoot connectivity/latency/port issues, and review logs and alertsConfigure switch ports, VLANs, trunks, and basic Layer 2 settings under change proceduresAssist with installing and labeling switches, wireless access points, optics, and cabling; perform basic cable testing and physical-layer troubleshootingMaintain 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 troubleshootingSupport scheduled maintenance, upgrades, and expansion projects — including our new recycling plant buildoutParticipate in an on-call/after-hours rotation as experience growsWork 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 subnettingUnderstanding of switches, routers, firewalls, DNS, DHCP, and wireless APsBasic knowledge of VLANs, access/trunk ports, and Ethernet switchingComfort with basic troubleshooting tools (ping, traceroute, ARP, ipconfig/ifconfig, DNS lookups)Basic Windows and Linux command-line familiarityStrong documentation habits, clear communication skills, and the ability to read technical documentation and follow established proceduresAbility to troubleshoot in a structured, methodical way — gathering evidence rather than making random changes — and to escalate before making risky production changesComfort 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 licenseHigh 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 certificationExperience with managed switches, VLANs/trunking, or Fortinet/Cisco equipmentFamiliarity with fiber optics, SFP modules, or wireless troubleshootingExposure to industrial/OT/manufacturing environments Steel Dynamics, Inc., and all affiliated entities are equal opportunity employers.