Senior Network Engineer – Enterprise Networking & Security

Steel Dynamics, Inc; Sinton (TX); On-site; USD 80,000 - 110,000; Full time

Job summary

Steel Dynamics, Inc. is seeking a Network Engineer for the IT Team (Southwest Division) reporting to the IT Supervisor - Infrastructure & Level 2.

The role involves designing, deploying, and maintaining a robust network and telecom infrastructure to support internal and external operations. Responsibilities include configuring devices (Switches, Routers, Firewalls, Wireless, VPNs), documenting backups for disaster recovery, ensuring security best practices, monitoring performance, and providing

Qualifications

• BS in Networking or similar or 5+ years of field experience.
• Knowledge of OSI layers, IP protocols, and routing protocols.
• Experience with Windows and Cisco platforms.
• CCNA/CCNP or similar certification preferred.
• Ability to provide 24/7 on-call or on-site support when required.
• Strong communication and problem-solving skills.

Responsibilities

• Design, maintain, support, and upgrade a redundant communication network for internal and external use.
• Install, configure and administer network and telecom infrastructure (Switches, Routers, Firewalls, Wireless Devices, Phones, IoT, Fiber, Cabling, etc.).
• Document and maintain backups of the network and telecom infrastructure for disaster recovery and daily support requirements.
• Monitor the network and telecom infrastructure performance, integrity, and availability.
• Coordinate and communicate with external vendors/internal customers regarding issues with Internet Circuits, VPNs, L2/L3 connectivity, etc.
• Provide 24/7 on-call or on-site support as required.

Skills

Networking concepts

Troubleshooting

Communication skills

Proactive and detail oriented

Team collaboration

Education

BS in Networking or similar

Tools

Windows networks

Cisco networks

Job description

Steel Dynamics, Inc. is seeking a Network Engineer for the IT Team (Southwest Division) reporting to the IT Supervisor - Infrastructure & Level 2.

The role involves designing, deploying, and maintaining a robust network and telecom infrastructure to support internal and external operations. Responsibilities include configuring devices (Switches, Routers, Firewalls, Wireless, VPNs), documenting backups for disaster recovery, ensuring security best practices, monitoring performance, and providing