Audio DSP Engineer

We’re ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life—from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more.
As part of the global ALTEN Group—57,000+ engineers in 30 countries—we deliver across the entire product development cycle, from consulting to full project outsourcing.
When you join ALTEN Technology USA, you’ll collaborate on some of the world’s toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow.
Workplace: On-site 4 days, Fridays REMOTE
Location: Palo Alto, CA
We are looking for an experienced Audio DSP Engineer to join our In-Vehicle Infotainment (IVI) audio development team for electric vehicle platforms. The role will focus on real-time audio signal processing, particularly voice communication / ECNR and audio post-processing.
This is a hands-on engineering role. The ideal candidate should be comfortable developing, integrating, debugging, tuning, and validating audio algorithms on an embedded production platform.
Responsibilities
Development of audio processing stack: Drive the implementation and optimization of the infotainment audio software stack.
Develop and integrate voice communication and voice recognition solutions for IVI (In-vehicle infotainment) platforms.
Work closely with HW engineers and the system integration team to ensure tight integration and that the audio stack meets high-quality standards.
Work closely with QA team to perform comprehensive testing, debugging, and validation.
Required Qualifications
Audio Digital Signal Processing (DSP): Strong hands-on development experience with speech and microphone-array signal processing algorithms. Experience with several of the following components is expected:
Acoustic Echo Cancellation (AEC)
Adaptive Beamforming: MVDR or similar techniques
Noise Reduction (NR)
Residual Echo Suppression (RES)
Voice Activity Detection (VAD)
Automatic Gain Control (AGC)
Wind noise reduction
Directional of Arrival (DoA) estimation
Speech enhancement
Audio Post-Processing: Hands-on experience developing or integrating real-time audio playback and post-processing pipelines, including:
Audio mixing / routing
Volume / Gain control
Mute / ducking
Channel mapping
Equalization
Audio filtering
Sample rate conversion, etc.
ALSA / Linux Audio: Strong understanding of Linux audio architecture, particularly ALSA
Real-time Audio SW Development experience: Strong C/C++ software development experience with real-time audio processing systems.
Preferred Qualifications
Commercialization experience: Voice communication and/or Voice recognition features
Automotive / IVI Experience – Strong Plus: Experience developing audio systems for automotive or IVI platforms is highly desirable.
Hands-on experience with DSP Concepts Audio Weaver (AWE) is highly desirable.
Experience with acoustic measurement, tuning, and validation equipment and tools: HATS, HEAD acoustics, Audio Precision
Experience with Python and MATLAB also highly desirable
Salary Range
$160,000 - 175,000