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[Remote] Wireless Network Systems Engineer (OpenWRT / RADIUS / PPSK)

Remote · Singapore Full-time

Note: The job is a remote job and is open to candidates in USA. Honest Networks is a rapidly expanding internet service provider dedicated to delivering high-quality and affordable internet service. They are seeking a highly technical engineer to manage and extend a large-scale wireless authentication and access platform, focusing on operational, development, and troubleshooting aspects of wireless onboarding and authentication.

Responsibilities

  • Deploy, maintain, and troubleshoot OpenWRT-based wireless infrastructure
  • Configure and manage FreeRADIUS environments
  • Support PPSK/DPSK/MPSK wireless authentication systems
  • Troubleshoot WPA/WPA2/WPA3 enterprise and PPSK authentication flows
  • Debug RADIUS authentication/accounting issues using tools such as tcpdump and Wireshark
  • Maintain wireless VLAN assignment and dynamic policy systems
  • Work with MikroTik RouterOS and switching infrastructure
  • Configure and troubleshoot hostapd, UCI, ubus, and Linux networking
  • Build and maintain integrations between wireless controllers and RADIUS systems
  • Troubleshoot roaming, DHCP, VLAN tagging, multicast, and client connectivity issues
  • Support large-scale WiFi deployments in residential and ISP environments
  • Maintain firmware upgrade and configuration automation workflows
  • Assist with AP provisioning, telemetry collection, and monitoring systems
  • Analyze wireless performance issues including RSSI, CCQ, airtime, retries, and channel utilization
  • Develop scripts and automation tooling in Python, Bash, Go, and LUA
  • Participate in architecture and scaling discussions for wireless infrastructure

Skills

  • Strong Linux networking knowledge
  • Strong understanding of: 802.11 wireless networking
  • Strong understanding of: VLANs
  • Strong understanding of: DHCP
  • Strong understanding of: DNS
  • Strong understanding of: NAT
  • Strong understanding of: Routing
  • Strong understanding of: Firewalling
  • Experience with: OpenWRT
  • Experience with: FreeRADIUS
  • Experience with: MikroTik RouterOS
  • Experience with: hostapd
  • Experience with: WPA/WPA2/WPA3 authentication
  • Experience troubleshooting RADIUS: Access-Request / Access-Accept / Reject flows
  • Experience troubleshooting RADIUS: Accounting packets
  • Experience troubleshooting RADIUS: Vendor-specific attributes (VSAs)
  • Comfortable using: tcpdump
  • Comfortable using: Wireshark
  • Comfortable using: SSH
  • Comfortable using: Linux CLI
  • Understanding of PPSK/DPSK systems and dynamic VLAN assignment
  • Experience with scripting or development in: Python
  • Experience with scripting or development in: Bash
  • Familiarity with SQL databases (MariaDB/MySQL/SQLite)
  • ISP or carrier WiFi experience
  • Experience with: Ruckus
  • Experience with: TP-Link Omada
  • Experience with: OpenWRT firmware customization
  • Experience with: Mediatek, Broadcom, and Qualcom-based wireless platforms
  • Experience with: TR-069 / ACS systems
  • Experience with: MQTT-based device communication
  • Understanding of EAPOL and WPA handshake internals
  • Experience building or maintaining custom RADIUS middleware/shims
  • Familiarity with Docker and containerized deployments
  • SNMP monitoring and telemetry systems
  • Experience scaling WiFi systems across hundreds of thousands of APs

Benefits

  • Paid time off (PTO)
  • Paid Sick Leave (PSL)
  • Medical, vision and dental benefits
  • 401k program after 3 months of employment

Company Overview

  • Honest Networks provides internet services aimed at providing its customers with a high-quality internet network. It was founded in 2018, and is headquartered in New York, New York, USA, with a workforce of 51-200 employees. Its website is http://honest.net.
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