• Sr. Hardware Audio Engineer

    Location US-CA-Sunnyvale
    Posted Date 3 weeks ago(11/1/2018 12:29 AM)
    Job ID
    739893
    Company
    A2Z Development Center, Inc.
    Company/Location (search) : Country (Full Name)
    United States
  • Job Description

    Amazon Lab126 is an inventive research and development company that designs and engineers high-profile consumer electronics. Lab126 began in 2004 as a subsidiary of Amazon.com, Inc., originally creating the best-selling Kindle family of products. Since then, we have produced groundbreaking devices like Fire tablets, Fire TV and Amazon Echo. What will you help us create?

    The Role:
    As a Sr. Audio Engineer, you will be a part of a highly motivated and talented audio team on a mission to bringing the most innovative smart audio products to customers - from initial product concepts, prototyping, demonstration and manufacturing. This role is a big part of creating the best music listening and voice interaction experience to all customers of Amazon devices. In particular, you will:
    • Design innovative speaker and microphone array systems using state of art engineering tools and techniques
    • Collaborate with research scientists and software engineers to tune and optimize audio signal processing algorithms for music and speech processing
    • Design and source transducers, amplifiers, codecs and other sub-components for the system wide optimization
    • Follow through manufacturing process to ensure the highest build quality
    • Test and validate hardware/software quality issues pre and post production
    • Develop modeling and automated test tools
    • Lead design reviews and cross-functional meetings
    • Requires travel 10-20% of the time domestically and internationally

    Basic Qualifications

    • Bachelor’s degree in Acoustics, Physics, EE, ME or related field
    • 5+ years of relevant experience in audio product development
    • Experienced with lumped acoustic modeling with commercial package or custom software
    • Knowledge of audio digital signal processing fundamentals - sampling, bit resolution, spectral analysis, transfer function calculations, filtering and convolution
    • Knowledge of analog filter and power amp design
    • Experienced with running FEM model of transducer or room acoustics using Comsol, Actran or similar packages
    • Experienced with writing Matlab or Python scripts for acoustic testing and data analysis
    • Experienced with acoustic measurement instruments - free field microphones, binaural manikins, mouth simulators etc.
    • Experienced with audio data acquisition and analysis systems such as Lab View, Audio Precision, SoundCheck etc.
    • Experienced in CAD in NX , SolidWorks or similar
    • Knowledge of analog/digital MEMS microphone specs - SNR, AOP, sensitivity etc

    Preferred Qualifications

    • Master's or PhD in the relevant field
    • Track record of inventing new acoustic design for speakers, headphones or microphone array applications
    • Experience working on high volume consumer electronics

    Lab126 is part of the Amazon.com, Inc. group of companies and is an Equal Opportunity-Affirmative Action Employer – Minority / Women / Disability / Veteran / Gender Identity / Sexual Orientation.
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