Deploy, operate, and troubleshoot large-scale OpenWRT wireless infrastructure and FreeRADIUS authentication systems. Manage PPSK/DPSK authentication, VLAN assignment, hostapd, MikroTik networking, roaming, DHCP, and client connectivity. Develop integrations, firmware automation, monitoring, and telemetry tools using Python, Bash, Go, and Lua. Analyze packet captures and wireless performance, support AP provisioning, and contribute to wireless architecture and scaling.