Senior Network Architect: Enterprise & Live-Event Networks

Colonial Group; Arlington (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Colonial Group seeks a Senior Network Engineer to lead the enterprise network for daily operations and live events across stadiums and facilities. You design, secure, and operate data center, campus, wireless, and WAN networks, owning ISE, segmentation, and TrustSec, while guiding projects from design to cutover.

The role requires Cisco expertise (ISE, ACI, FMC/FTD) and leadership to mentor staff, with flexibility for nights and weekends in a fast-paced event environment.

Qualifications

• Bachelor's degree in CS/IT or related field preferred or equivalent experience.
• CCNP is required; CCIE preferred.
• 10+ years enterprise network design, implementation, and operations on Cisco platforms.
• Experience with ISE 802.1X, MAB, and SGT/TrustSec segmentation; ACI/NX-OS; Catalyst data center, campus, edge; BGP/EIGRP/IS-IS; FMC/FTD.

Responsibilities

• Design, implement, and maintain enterprise network across data center, campus, wireless, WAN, and internet edge.
• Own ISE environment including multi-node deployment, 802.1X, MAB, segmentation, upgrades, and lifecycle.
• Operate Cisco ACI fabric and Nexus, manage Catalyst Center SD-Access.
• Lead network projects from design through cutover and handoff to operations.
• Provide network support for live events, including high-density wireless, AV-over-IP, and broadcast traffic.

Skills

Network design

Mentoring

Leadership

Communication

Independent working

Education

Bachelor's degree in Computer Science or related field

Tools

Cisco ISE

Cisco ACI

Nexus Dashboard

Catalyst Center

Cisco Secure Firewall

Job description

Colonial Group seeks a Senior Network Engineer to lead the enterprise network for daily operations and live events across stadiums and facilities. You design, secure, and operate data center, campus, wireless, and WAN networks, owning ISE, segmentation, and TrustSec, while guiding projects from design to cutover.

The role requires Cisco expertise (ISE, ACI, FMC/FTD) and leadership to mentor staff, with flexibility for nights and weekends in a fast-paced event environment.