Staff Network Engineer — Hybrid (WI) | SD-WAN & Wireless

tti; Menomonee Falls (WI); Hybrid; USD 110,000 - 170,000; Full time

Job summary

tti is seeking an experienced Staff Network Engineer to design, support, and modernize a global enterprise network. You will influence architecture, lead cross‑functional initiatives, and mentor other engineers.

The role covers enterprise wireless, NAC, routing, switching, firewalls, and SD‑WAN, with ownership of hardware lifecycles and governance across multiple sites. You will work in a hybrid environment in Menomonee Falls, WI, collaborating with procurement, operations, and security teams to

Qualifications

• 7+ years of enterprise network engineering experience.
• Deep expertise in wireless, routing, switching, and firewalls.
• Experience with cloud-managed wireless and NAC in production.
• Ability to design robust solutions and mentor others.
• Experience supporting large multi-site networks and incident RCA.

Responsibilities

• Design and modernize global enterprise network architecture.
• Lead troubleshooting and Root Cause Analysis on complex incidents.
• Develop and enforce governance standards and change-management processes.
• Own hardware lifecycle programs for switches, APs, firewalls, and SD-WAN devices.
• Collaborate across teams and mentor engineers on best practices.
• Create and validate test plans for network changes and deployments.

Skills

Enterprise networking

Wireless networking

Routing & Switching

Firewall technologies

SD-WAN

NAC (Network Access Control)

Cloud-managed wireless

Network security principles

Root Cause Analysis

Documentation & governance

Mentoring others

Stakeholder communication

Tools

HPE Mist

ITIL processes

Job description

tti is seeking an experienced Staff Network Engineer to design, support, and modernize a global enterprise network. You will influence architecture, lead cross‑functional initiatives, and mentor other engineers.

The role covers enterprise wireless, NAC, routing, switching, firewalls, and SD‑WAN, with ownership of hardware lifecycles and governance across multiple sites. You will work in a hybrid environment in Menomonee Falls, WI, collaborating with procurement, operations, and security teams to