WIFI Tech Engineer

RADWIN; Chennai District; On-site; INR 1,800,000 - 3,000,000; Full time

Benefits offered by this job

Firmware Innovation Center

Global cross-functional teams

Bleeding-edge platforms

Job summary

RADWIN is hiring a Wi-Fi Tech Lead Engineer in Chennai to drive embedded firmware for Wi-Fi 6/7 chipsets, focusing on Upper MAC/Lower MAC, Data and Control Paths, and performance optimization in RTOS.

The role involves collaborating with hardware, RF and systems teams, debugging critical issues, participating in reviews, and delivering firmware to production hardware in a fast-paced R&D environment.

Qualifications

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

Responsibilities

• Data Path and Control Path development for Wi-Fi firmware.
• Upper MAC/Lower MAC/PHY integration and performance tuning.
• Implement Wi‑Fi 6/7 protocol enhancements and optimizations.
• Debug firmware issues affecting performance, stability and throughput.
• Collaborate with hardware, RF and systems teams across layers.
• Develop and optimize firmware for real-time embedded environments.
• Participate in code reviews, bring-up, and production delivery.
• Ensure regulatory and feature compliance (DFS, CCA, Spectral Scan).

Skills

Embedded software

RTOS

Wi-Fi firmware

MAC/PHY

Performance optimization

Tools

Wireshark

GDB

iperf

Sniffer

Job description

Description

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.

Key Responsibilities:

• 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.
• 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

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 environmentsSolid 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

Advantage:

• 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:
• DFS
• Spectral Scan
• Transmit power and channel calibration
• Exposure to RF equipment (e.g., spectrum analyzer) and calibration procedures.