On-Site Network Engineer (Mid-Level) – Irving, TX

Top Echelon LLC; Irving (TX); On-site; USD 85,000 - 110,000; Full time

Job summary

Top Echelon LLC seeks a mid-level Network Engineer for on-site work in Irving, TX. You will troubleshoot and support enterprise network operations, including data centers and multiple corporate locations, with hands-on config, upgrades, and incident resolution.

The role emphasizes strong networking fundamentals, practical CLI experience, and the ability to work across routing, switching, wireless, and security domains while collaborating with a seasoned team.

Qualifications

• 4–7 years of hands-on network engineering experience.
• Strong fundamentals: TCP/IP, OSI, routing, switching, VLANs, DHCP/DNS.
• Experience with enterprise switches via CLI and network changes.

Responsibilities

• Support day-to-day enterprise network operations and incidents.
• Configure and troubleshoot switches, routers, wireless, and related tech.
• Create VLANs, trunk ports, and network segmentation.
• Perform firmware/software upgrades across network gear.
• Review configurations and troubleshoot issues.
• Execute network changes with verification and rollback.
• Support data center, corporate, and multi-site networks.
• Assist with monitoring, alerts, and lifecycle activities.
• Coordinate with carriers and vendors for circuit issues.
• Participate in maintenance windows and on-call rotation.
• Grow expertise across security, wireless, and network automation.

Skills

Networking fundamentals

TCP/IP

OSI model

Routing

Switching

VLANs

Trunking

DHCP/DNS

CLI

Firewall basics

Python (automation)

Ansible (automation)

APIs

Education

High school diploma

Associate degree or technical training

Bachelor's degree not required

Tools

Cisco networking

Aruba switching

Palo Alto firewalls

Juniper/Junos

SD-WAN (VeloCloud, etc.)

Packet capture tools

Network monitoring tools

Job description

Top Echelon LLC seeks a mid-level Network Engineer for on-site work in Irving, TX. You will troubleshoot and support enterprise network operations, including data centers and multiple corporate locations, with hands-on config, upgrades, and incident resolution.

The role emphasizes strong networking fundamentals, practical CLI experience, and the ability to work across routing, switching, wireless, and security domains while collaborating with a seasoned team.