Firmware Principal Engineer - Bluetooth Lower Stack

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Date: Apr 10, 2019

Location: Beaverton, OR, US

Company: Skyworks


If you are looking for a challenging and exciting career in the world of technology, then look no further. Skyworks is an innovator of high performance analog semiconductors whose solutions are powering the wireless networking revolution. At Skyworks, you will find a fast-paced environment with a strong focus on global collaboration, minimal layers of management and the freedom to make meaningful contributions in a setting that encourages creativity and out-of-the-box thinking.  Our work culture values diversity, social responsibility, open communication, mutual trust and respect.  We are excited about the opportunity to work with you and glad you want to be part of a team of talented individuals who together can change the way the world communicates.

Requisition ID: 49961 

Job Description:

This position will be working as part for the core SDK team developing and deploying embedded firmware libraries to support Skyworks various ASIC system designs. As part of the firmware team that works in conjunction with the digital and analog hardware teams to define, implement, validate, and support custom system on chip designs to implement wireless and mobile audio designs. The environment and libraries created in this process are then provided to applications teams to provide a foundation for a wide range of product designs.

This position is with the general SDK support team but the primary effort will be focused on supporting the integration of new Bluetooth hardware and software designs into the SDK infrastructure as well as development to enable advanced Bluetooth functionalities.


Tasks you will be responsible for include:

  • Work with internal hardware and firmware teams to define system hardware drivers and libraries.
  • Write / develop hardware interface drivers, to be used by application developers or other drivers.
  • Support initial bring up and validation of ASIC hardware components.
  • Development of test applications to support validation of the various library components. #LI-DB1


Job Requirements:

  • 12 or more years of experience in development and/or support of applications in consumer electronics
  • Experience with Bluetooth Lower Stack including:
    • Baseband/Link Controller/Link Manager/HCI
    • Piconet clocks (network, local, bt/pt), drift compensation
    • Piconet management
    • Flush timeout
    • QoS scheduling
  • Demonstrated ability to architect and design solid/consistent software libraries and interfaces
  • Track record developing and maintaining firmware over a product cycle
  • Strong C programming skills
  • Strong embedded programming experience
  • Ability to debug software/firmware on hardware platforms including basic oscilloscope and other lab equipment
  • Embedded debugging skills including on-chip debugger and real time systems
  • Assembly language programming
  • Demonstrated experience supporting both internal and external customers
  • RTOS usage experience including design of thread safe driver libraries
  • Strong ability to self-manage
  • Debugging skills including real time and source level debugging


Plus Items

  • Knowledge of the ARC600 instruction set
  • Knowledge of Python
  • Knowledge of Audio DSP processors and Audio DSP applications
  • Familiar with audio processing and hardware interfaces
  • Familiar with Serial Communication interfaces (SPI, TWI, UART, USB)




Skyworks is proud to be an equal opportunity employer supporting diversity in the workplace.

Nearest Major Market: Portland Oregon

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