RADWINDirect Source

WIFI Tech Engineer

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Chennai, India · Telecommunications

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Job description

About the role

WIFI Tech Lead Engineer Role Summary: RADWIN is seeking passionate Firmware Tech Lead Engineer with 7+ years of experience in developing Wi-Fi firmware. The role involves working on embedded software development for Wi-Fi 6/7 chipsets, focusing on Upper MAC/Lower MAC, Data and Control Paths, and performance optimization within RTOS environments. You will be part of the new RADWIN Firmware Innovation Center in Chennai contributing to high performance wireless solutions.

What you'll do

Data Path and Control Path
Upper MAC/Lower MAC/PHY integration
Wi-Fi 6 and Wi-Fi 7 protocol enhancements
Debug critical firmware issues impacting performance, stability, and throughput.
Collaborate with hardware, RF, and systems teams to ensure optimal firmware operation across layers.

RADWIN

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Develop and optimize firmware for real-time embedded environments, ensuring compliance with timing constraints and system KPIs.

Participate in code reviews, bring-up, and delivery of firmware to production hardware.

Support regulatory (FCC, ETSI etc.,) and feature compliance (e.g., DFS, CCA, Spectral Scan, etc.).

Why Join RADWIN?

Be part of a Firmware Innovation Group under experienced leadership.

Work on next-generation wireless technologies with cross-functional teams in a global environment.

Work on bleeding-edge platforms and direct engagement with chipset vendors.

A growth-oriented, fast-paced R&D culture where firmware leads the product innovation

Requirements

Over 7 years of embedded software development focused on Wi-Fi firmware
Strong knowledge of IEEE 802.11 protocols, especially Wi-Fi 6 and Wi-Fi 7 (MAC/PHY level)
Experience in real-time embedded systems and RTOS environments
Solid debugging skills for firmware bottlenecks, stability issues, and low-level Wi-Fi/Cellular stack problems.
Hands-on experience with Qualcomm and/or Broadcom or MediaTek or Intel (or any other chipsets)
Experience with Debugging tools: Wireshark, GDB, iperf, Sniffer
Over 7 years of embedded software development focused on Wi-Fi firmware
Strong knowledge of IEEE 802.11 protocols, especially Wi-Fi 6 and Wi-Fi 7 (MAC/PHY level)
Experience in real-time embedded systems and RTOS environments
Solid debugging skills for firmware bottlenecks, stability issues, and low-level Wi-Fi/Cellular stack problems.
Hands-on experience with Qualcomm and/or Broadcom or MediaTek or Intel (or any other chipsets)
Experience with Debugging tools: Wireshark, GDB, iperf, Sniffer

Nice to have

Experience with Qualcomm Wifi chipsets
Basic experience in host-side driver development (cfg80211/nl80211, netlink communication).
Familiarity with Linux wireless applications (e.g., hostapd, wpa_supplicant).
Knowledge of OpenWRT, Yocto, QSDK, and user-space tools for embedded Wi-Fi platforms.
Know how about TDD/TDMA, FDD/FDMA
Basic understanding of bootloaders, BSP bring-up, and U-Boot configuration.
Familiarity with RF-related features such as:
o DFS
o Spectral Scan
o Transmit power and channel calibration
Exposure to RF equipment (e.g., spectrum analyzer) and calibration procedures.

Tech stack

LinuxEmbeddedRTOS