Junior Network Administrator

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 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. #J-18808-Ljbffr