1 day ago
Bengaluru, IndiaStaff+
Responsibilities
- Design, develop, and maintain firmware for networking routers with Wi-Fi capabilities.
- Own Wi-Fi firmware architecture and drive integration strategy across software, hardware interfaces, and platform components.
- Work with hardware engineers to bring up new products and support custom hardware features.
- Implement and optimize Layer 2/3 networking protocols, traffic management, routing, and switching features.
- Develop Linux-based embedded systems, including bootloaders, kernel modules, and device drivers.
- Integrate open-source platforms such as OpenWRT and Yocto into production firmware.
- Troubleshoot issues across hardware, firmware, and software layers to improve system stability and performance.
- Collaborate with software developers, QA, and product managers to define and deliver features.
- Tune Wi-Fi performance, including throughput, latency, airtime fairness, RF behavior, and system efficiency.
Requirements
- 15+ years of Wi-Fi experience with architectural ownership.
- Strong programming skills in Python and C.
- Strong knowledge of Linux operating systems, device drivers, shell scripting, and system-level concepts.
- Understanding of IP, TCP, UDP, Ethernet, routing, and switching.
- Experience with embedded platforms such as ARM-based SoCs, microcontrollers, or development boards.
- Knowledge of 802.11 standards, including Wi-Fi 5, Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7.
- Knowledge of WPA2/WPA3-Enterprise, 802.1X, and EAP.
- Knowledge of the Linux Wi-Fi stack and daemons such as hostapd.
- Experience with MAC-layer development, PHY interaction, rate-control algorithms, power management, and security features.
- Experience integrating Wi-Fi SoCs from vendors such as Qualcomm, Broadcom, and MediaTek.
- Experience conducting Wi-Fi performance tuning for throughput, latency, airtime fairness, and RF behavior.
About Ericsson
Ericsson is a publicly traded telecommunications vendor that builds mobile network infrastructure (RAN, core, OSS/BSS), cloud platforms, and managed services for communications providers and enterprises. Founded in 1876 and headquartered in Kista, Stockholm, it supplies 5G systems to operators worldwide and owns Vonage, expanding network APIs and enterprise communications offerings.