Linux engineer

5 hours ago

Chennai, Tamil Nadu, India Nokia Full time

Experienced embedded Linux engineer with strong expertise in software architecture design, xPON ONT system development, and L2/L3 forwarding software. Skilled in ARM/MIPS architecture, device driver development, and debugging in embedded systems. Proficient in C, scripting languages, and Linux kernel programming, with hands-on experience in board bring-up and peripheral integration. Focused on delivering high-quality, customer-oriented features and maintaining effective cross-team collaboration.

HOW YOU WILL CONTRIBUTE AND WHAT YOU WILL LEARN

  • Contribution to xPON ONT Development: You will leverage your embedded Linux and software architecture expertise to develop high-quality features for xPON ONT systems, ensuring that customer requirements and quality targets are met.
  • Customer Requirements Analysis: Using your experience, you will analyze customer use cases, network topology, and service requirements, ensuring that solutions align with expectations.
  • Cross-Functional Collaboration: You will engage with cross-functional teams, including product architects, PLMs, and test engineers, to ensure smooth project execution and feature delivery.
  • Feature Design and Documentation: You will be responsible for designing and documenting feature architectures and specifications, contributing to the development of robust solutions.
  • End-to-End System Development: Develop and integrate the xPON ONT E2E environment, helping refine processes and systems for better product functionality.
  • Debugging and Troubleshooting: You will use your skills in troubleshooting embedded development environments to solve complex issues and improve system performance.
  • Learning Opportunities: You will deepen your knowledge in new protocols and technologies, including ARM/MIPS architecture, embedded Linux development, and advanced debugging tools.
  • Quality Process Engagement: You will gain more experience in quality process management, working closely with teams to deliver stable, reliable features while understanding and applying industry best practices.

Qualifications

You have:

  • 10-16 years of experience in embedded Linux and software development for telecom and handheld devices.
  • Extensive experience in embedded Linux development and device driver programming (Linux kernel, Universal Boot Loader [U-Boot]).
  • Expertise in designing, developing, and debugging software for Passive Optical Network Optical Network Terminal [xPON ONT] systems, Layer 2 (Data Link Layer) and Layer 3 (Network Layer) protocols, and communication interfaces (Universal Serial Bus [USB], Serial Peripheral Interface [SPI], Universal Asynchronous Receiver-Transmitter [UART]).
  • Strong knowledge of hardware bring-up, troubleshooting, and delivering high-quality features aligned with customer requirements.
  • Hands-on experience with Advanced RISC Machine [ARM] and Microprocessor without Interlocked Pipeline Stages [MIPS] architectures, including board bring-up and peripheral driver development (UART, Inter-Integrated Circuit [IC], SPI, etc.).
  • Proficiency in debugging tools such as ARM RealView ICE, Lauterbach Trace32, and Green Hills MULTI Debugger.

It would be nice if you also had:

  • Experience in xPON ONT system development, particularly with Ethernet Physical Layer [PHY], USB, SPI-NOR flash memory, and Controller Area Network [CAN] protocol.
  • Familiarity with Open Wireless Router [OpenWRT] and Yocto build systems for efficient system packaging and integration.
  • Experience using configuration management tools such as Git, Subversion [SVN], and IBM Rational ClearCase.

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