Principal Engineer Bangalore,Karnataka,India Product Development Posted 7 hours ago

Ericsson; Bengaluru; On-site; INR 3,000,000 - 5,600,000; Full time

Job summary

Ericsson in Bangalore is seeking a Principal Wi-Fi Firmware Architect to own the complete WiFi firmware architecture for carrier-grade networking hardware. You will drive integration across software, hardware interfaces, and platform components.

Responsibilities include designing, implementing, and tuning firmware for routers with WiFi, working with hardware engineers, integrating OpenWRT/Yocto, and ensuring performance, reliability, and security across Linux-based embedded systems.

Qualifications

• 15+ years of Wi-Fi experience with architectural ownership.
• Strong programming background in Python and C.
• Solid Linux knowledge including drivers and kernel concepts.
• Deep understanding of IP/TCP/UDP, Ethernet, routing and switching.
• Experience with ARM-based SoCs or similar embedded platforms.
• Proficient with 802.11 standards and security features.
• Experience with OpenWRT/Yocto integration into firmware.
• Knowledge of MAC layer, PHY interaction, and rate control.

Responsibilities

• Design, develop, and maintain firmware for networking routers featuring WiFi capabilities.
• Work closely with hardware engineers to enable new products and features.
• Implement and optimize Layer 2/3 networking, traffic management, and routing.
• Develop Linux-based embedded systems including bootloaders, kernels, and drivers.
• Contribute to OpenWRT/Yocto integration in production firmware.
• Troubleshoot issues across hardware, firmware, and software layers to ensure stability and performance.
• Collaborate with software developers, QA, and product managers to deliver features.
• Stay current with networking standards and apply best practices to product development.

Skills

Wi‑Fi architecture

C programming

Python programming

Linux kernel/modules

Networking fundamentals

Embedded platforms

802.11 standards

WiFi performance tuning

MAC/PHY interaction

OpenWRT/Yocto integration

Driver development

Tools

OpenWRT

Yocto

device drivers

hostapd

ARM-based SoCs

Linux scripting

TCP/IP debugging

Job description

## Principal EngineerBangalore,Karnataka,IndiaFind out how well you match with this jobJob ID: 792000## Join our Team**About this opportunity:**We are seeking a highly skilled Firmware Engineer with specialization in WiFi domain to join our team at Ericsson and help develop the next generation of networking hardware. As a Principal Wi-Fi Firmware Architect, you will own the complete WiFi firmware architecture, drive integration strategy, and provide technical leadership across Wi-Fi software, hardware interfaces, and platform components. This is a ground‐up opportunity to define architecture, influence long‐term technology direction, and deliver carrier‐grade, high‐performance, high-reliability platforms deployed at a global scale. If you're passionate about embedded development and excited to solve real-world challenges in connectivity (esp. WiFi), scalability, and network efficiency, this is your opportunity to make a direct impact in a dynamic, high-tech environment.**What you will do:*** Design, develop, and maintain firmware for networking routers featuring WiFi capabilities* Work closely with hardware engineers to bring up new products and support custom hardware features.* Implement and optimize Layer 2/3 networking protocols, traffic management, and routing features.* Develop and maintain Linux-based embedded systems, including bootloaders, kernel modules, and device drivers.* Contribute to the integration of open-source platforms such as OpenWRT or Yocto into production firmware.* Analyze and troubleshoot issues across hardware, firmware, and software layers to ensure system stability and tune the system for performance.* Collaborate with cross-functional teams including software developers, QA, and product managers to define and deliver features.* Stay current with networking technologies, standards, and best practices, and apply them to product development.**The skills you bring:*** 15+ years of Wi-Fi experience with architectural ownership* A strong foundation in programming, predominantly Python and C.* Strong knowledge of Linux operating systems, including device drivers, shell scripting and system-level concepts.* Understanding of computer networking fundamentals (e.g., IP/TCP/UDP, Ethernet, routing and switching).* Exposure to embedded platforms such as ARM-based SoCs, microcontrollers, or development boards.* Good knowledge of 802.11 standards (WiFi 5/6/6E/7), WAP2/WAP3-Enterprise, 802.1X/EAP, etc.* Good knowledge of Linux WiFi stack and daemons like hostapd* Have worked on MAC layer, PHY interaction, rate control algorithms, power management and security features* Have integrated WiFi SoCs from leading vendors (eg. Qualcomm, Broadcomm, Mediatek)* Have conducted WiFi performance tuning (throughput, latency, airtime fairness, RF