Principal Engineer

Ericsson GmbH; Karnataka; Sur place; INR 4 200 000 - 7 000 000; Plein temps

Résumé du poste

Ericsson GmbH is seeking a Principal Wi-Fi Firmware Architect to own the complete WiFi firmware architecture for carrier-grade networking hardware. You will drive integration strategies, lead across Wi-Fi software, hardware interfaces, and platform components, and influence long-term technology direction.

You will design, develop, and maintain Linux-based embedded firmware, collaborate with hardware teams, and continuously improve performance, stability, and security for global deployments.

Qualifications

• 15+ years of Wi-Fi experience with architectural ownership.
• Strong foundation in Python and C programming.
• Solid knowledge of Linux OS, device drivers, and scripting.

Responsabilités

• Design, develop, and maintain Wi-Fi firmware for networking routers.
• Collaborate with hardware engineers to bring up new products and features.
• Implement and optimize Layer 2/3 networking protocols, routing and traffic management.

Connaissances

Wi-Fi architecture

Python

C

Linux OS

Networking fundamentals

ARM SoCs

802.11 standards

hostapd

Performance tuning

OpenWRT/Yocto

Outils

OpenWrt

Yocto

Description du poste

Join our TeamAbout 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 capabilitiesWork 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 ownershipA 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 hostapdHave worked on MAC layer, PHY interaction, rate control algorithms, power management and security featuresHave integrated WiFi SoCs from leading vendors (eg. Qualcomm, Broadcomm, Mediatek)Have conducted WiFi performance tuning (throughput, latency, airtime fairness, RF