Wireless Network Engineer

On behalf of our manufacturing client, Robert Half Talent Solutions, Technology Division is seeking a Wireless Network Engineer (Cisco ISE).About the RoleOur client is expanding their network engineering capabilities and needs an onsite engineer with strong wireless expertise and deep experience with Cisco Identity Services Engine (ISE). This role supports a high‑availability, mission‑critical operational environment across a large industrial campus.

The engineer will work closely with internal network teams to maintain wireless infrastructure, identity-based authentication, and secure access controls used by both IT and operational technology environments.

Key ResponsibilitiesSupport and optimize enterprise‑scale Cisco wireless networks, including access points, controllers, and WLAN architecture.

Serve as an onsite expert for Cisco ISE, including policy sets, 802.1X authentication, RADIUS/TACACS+, certificate‑based access, profiling, and NAC workflows.

Conduct wireless performance tuning, troubleshooting, and RF analysis across challenging industrial environments.

Implement and maintain secure network segmentation and identity-based access controls.

Troubleshoot authentication failures, roaming issues, wireless interference, certificate issues, and access policy conflicts.

Support Cisco switching environments (Catalyst platforms) as part of wireless integration and connectivity.

Participate in upgrades, hardware lifecycle management, and environment modernization projects.

Document configuration standards, performance metrics, diagrams, and runbooks for ongoing operations.

Collaborate cross‑functionally with operations, plant leadership, safety teams, and engineering staff.