Sr Network Administrator - CONTRACT

Nexus Technologies LLCGreenwood Village, CO
$86 - $115Onsite

About The Position

A major sports team is seeking a Senior Network Administrator to lead network infrastructure across a large stadium, training facility, and corporate environment, supporting live event operations, business functions, and fan experience at scale. This is a genuine architecture and leadership role, not a break-fix administrator seat, covering high-density WiFi for tens of thousands of concurrent users, multi-ISP BGP routing, hybrid cloud integration, and modern network automation. Strong path to a permanent, full-time role with the organization after the season. Fully onsite, no remote or hybrid option.

Requirements

  • 7+ years in network engineering or administration in complex enterprise environments.
  • Proven large-scale, high-density network experience (25k+ concurrent users or similar).
  • Strong hands-on switching, routing, wireless, firewall, and VPN expertise.
  • Multi-ISP/BGP and redundancy design.
  • Hands-on network automation (Python, Ansible, APIs).
  • Hybrid cloud connectivity (Azure/AWS).
  • Able to work onsite and support live events outside normal hours.

Responsibilities

  • Lead network infrastructure across a large stadium, training facility, and corporate environment.
  • Support live event operations, business functions, and fan experience at scale.
  • Manage high-density WiFi for tens of thousands of concurrent users.
  • Implement and manage multi-ISP BGP routing.
  • Oversee hybrid cloud integration.
  • Implement modern network automation.
  • Support live events outside normal hours.
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