BENGALURU · FULLTIME
Principal Engineer
Ericsson
Bengaluru · onsite · Posted 8d ago
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Section · 01
About this role
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.
- 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
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Section · 02
Skills
Section · Company
About Ericsson
Ericsson
Telecom
22.3k+
employees
1876
150 years old
Stockholm, Sweden
Sweden
About
Why join Ericsson?
At Ericsson, youll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of whats possible. To build solutions never seen before to some of the worlds toughest problems. Youll be challenged, but you wont be alone. Youll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we nurture it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity and Affirmative Action employer, learn more.
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