Wireless Network Systems Engineer (OpenWRT / RADIUS / PPSK)
Core
Manage and extend a large-scale wireless authentication and access platform for gigabit internet service, focusing on operational development, troubleshooting, and custom integrations.
Role type
Senior IC wireless network systems engineer (ISP/Carrier WiFi)
Builds
Production wireless infrastructure, authentication systems, and automation tooling for residential and ISP environments
Domain
Telecommunications / ISP / Wireless Networking
Deliverable
production ML models | product features | infrastructure
Required skills
Linux networking, 802.11 wireless, VLANs, DHCP, DNS, NAT, Routing, Firewalling, OpenWRT, FreeRADIUS, MikroTik RouterOS, hostapd, WPA/WPA2/WPA3, RADIUS packet analysis, tcpdump, Wireshark, Python, Bash
Preferred skills
ISP carrier WiFi experience, Ruckus/TP-Link Omada, Mediatek/Broadcom/Qualcomm platforms, TR-069/ACS, MQTT, EAPOL internals, custom RADIUS middleware, Docker, SNMP, scaling WiFi to hundreds of thousands of APs
Technologies
OpenWRT, FreeRADIUS, MikroTik RouterOS, Ruckus, Omada, hostapd, Python, Go, Linux, Docker, MariaDB, MySQL, MQTT, SNMP
Responsibilities
Deploy and troubleshoot OpenWRT-based wireless infrastructure, configure FreeRADIUS environments, support PPSK/DPSK/MPSK authentication, debug RADIUS flows, maintain VLAN assignment and dynamic policies, build integrations between controllers and RADIUS, troubleshoot roaming and connectivity, develop automation scripts, analyze wireless performance metrics, assist with AP provisioning and monitoring
Seniority
Mid-level to Senior, hands-on IC