Sr. SIRI Validation and Tuning Engineer
Apple
Cupertino, CA, USA
USD 181,100-318,400 / year + Equity
Posted on Feb 20, 2026
At Apple, extraordinary ideas have a way of quickly becoming extraordinary products, services, and customer experiences. Sound is an essential and compelling facet of the customer experience. Apple has assembled an elite Acoustics team that enables our customers to experience music with delight, communicate with clarity, and enjoy elegant sound throughout our product line. In Apple Acoustics, we work with the utmost attention to detail, directly impacting the design of products that millions of people around the world love! The Audio System Tuning team is looking for an Siri Validation and Tuning Engineer to ensure the correct marriage between audio software and acoustic hardware in Apple products. The successful candidate will be responsible for all Siri DSP optimization in various iOS, MACOSX and Wireless Apple products.
The candidate will be a member of the Acoustic Hardware Team, and will work day-to-day with the Audio Tuning Engineers, DSP algorithm & ML teams. This role will require attention to detail and excellent HW and SW debugging skills. You will be interacting with different teams at Apple regularly, and as such, you should have great communication and collaboration skills. You will tune, optimize, and listen to different internally developed algorithms for Apple HW with a focus on advanced techniques to deliver the best SIRI and Telephony experience across all Apple HW.
- BS/MS or equivalent, preferably specializing in Audio or Electrical Engineering
- Solid understanding of acoustics and signal processing fundamentals
- Experience executing and debugging scripts with Python and MATLAB
- Familiarity with acoustic measurement equipment such HeadAcqua Test System, Soundcheck, and Audio Analyzers
- In-depth Audio DSP knowledge for audio applications, such as Echo and Double Talk, Microphone Array Processing, Beam-Forming, Multi-Band Compression, Equalization, Noise Suppression in portable devices
- Strong background in applying Machine Learning methods and frameworks for Audio applications
- Knowledge of main KPIs used to validate SIRI and Telephony performance in Apple HWs
- Knowledge on transducers and their Acoustic integration is preferred
- Outstanding written and verbal communication skills, ability to work optimally in multi-functional teams
Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.