Firmware Senior Principal Engineer

Date: Apr 13, 2021

Location: Woburn, MA, US

Company: Skyworks

Are you looking for the next step in advancing your career in the world of technology?
Skyworks Audio Solutions is at the forefront of audio and voice technology innovation with our analog system on chips (ASoCs), for applications such as smart speakers/microphones, wired/wireless headsets, virtual assistants and intelligent gaming controllers. We are continuously growing our team to develop market specific ASoCs which combine breakthrough ultra-low power analog circuits, highly efficient power management and custom hardware accelerators for smart acoustic signal processing and AI features. Our proprietary technology achieves the highest level of integration in the industry and sets a new performance standard for low power consumption and minimal footprint.

Requisition ID: 63535 

Job Description

Your Role

Firmware Senior Principal Engineer

We are a passionate and dedicated team of world-class analog, digital and firmware designers committed to building the next generation of ASoCs. This position is for an experienced and equally passionate firmware designer interested in excellent personal and professional growth opportunities.  


Your role:

You will write firmware for embedded processors controlling radio subsystems in sub-45nm mixed-signal CMOS SOCs.  This will include designing and innovating in ICs transferring audio and data in multi-node networks, as well as ensuring that state transitions and link behavior meet specification.  You will develop the radio subsystem along with the hardware team, and contribute to system-level testing, silicon evaluation, and application team support.


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.


Job Requirements:

  • 12 or more years of experience in development and/or support of applications in consumer electronics
  • Experience with Bluetooth Lower Stack preferred 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)

Your Profile

Proven track record of exceptional performance in firmware design

15+ years (BSEE), 12+ years (MSEE) or 8+ years (Phd) of relevant industry experience

Experience with embedded processor systems

Experience in radio ICs

Experience in implementation with C and Assembly language

Experience in producing detailed technical reports and documentation

Professional, open and highly self-motivated attitude




Skyworks is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.

Nearest Major Market: Woburn
Nearest Secondary Market: Boston

Job Segment: Electronics Engineer, Engineer, Firmware, Network, Embedded, Engineering, Technology