Audio DSP Engineer at ALTEN Technology USA

<div class="content-intro"><p>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.</p> <p>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.</p> <p>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.</p></div><p>&nbsp;</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><span style="font-weight: bold;">Workplace:</span> On-site 4 days, Fridays REMOTE</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><span style="font-weight: bold;">Location: </span>Palo Alto, CA</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">We are looking for an experienced <span style="font-weight: bold;">Audio DSP Engineer</span> 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.</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">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.</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><span style="font-weight: bold;">Responsibilities </span></p> <ul style="margin-top: 0in; margin-bottom: 0in;" type="disc"> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle;"><span style="font-family: Calibri; font-size: 11.0pt;">Development of audio processing stack: Drive the implementation and optimization of the infotainment audio software stack.</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle;"><span style="font-family: Calibri; font-size: 11.0pt;">Develop and integrate voice communication and voice recognition solutions for IVI (In-vehicle infotainment) platforms.</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle;"><span style="font-family: Calibri; font-size: 11.0pt;">Work closely with HW engineers and the system integration team to ensure tight integration and that the audio stack meets high-quality standards.</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle;"><span style="font-family: Calibri; font-size: 11.0pt;">Work closely with QA team to perform comprehensive testing, debugging, and validation.</span></li> </ul> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><span style="font-weight: bold;">Required Qualifications </span></p> <ul style="margin-top: 0in; margin-bottom: 0in;" type="disc"> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-weight: bold; font-family: Calibri; font-size: 11.0pt;">Audio Digital Signal Processing (DSP):</span><span style="font-family: Calibri; font-size: 11.0pt;"> Strong hands-on development experience with speech and microphone-array signal processing algorithms. Experience with several of the following components is expected:</span></li> <ul style="margin-top: 0in; margin-bottom: 0in;" type="circle"> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Acoustic Echo Cancellation (AEC)</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Adaptive Beamforming: MVDR or similar techniques</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Noise Reduction (NR)</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Residual Echo Suppression (RES)</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Voice Activity Detection (VAD)</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Automatic Gain Control (AGC)</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Wind noise reduction</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Directional of Arrival (DoA) estimation</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Speech enhancement</span></li> </ul> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-weight: bold; font-family: Calibri; font-size: 11.0pt;">Audio Post-Processing:</span><span style="font-family: Calibri; font-size: 11.0pt;"> Hands-on experience developing or integrating real-time audio playback and post-processing pipelines, including:</span></li> <ul style="margin-top: 0in; margin-bottom: 0in;" type="circle"> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Audio mixing / routing</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Volume / Gain control</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Mute / ducking</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Channel mapping</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Equalization</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Audio filtering</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Sample rate conversion, etc.</span></li> </ul> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-weight: bold; font-family: Calibri; font-size: 11.0pt;">ALSA / Linux Audio:</span><span style="font-family: Calibri; font-size: 11.0pt;"> Strong understanding of Linux audio architecture, particularly ALSA</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-weight: bold; font-family: Calibri; font-size: 11.0pt;">Real-time Audio SW Development experience:</span><span style="font-family: Calibri; font-size: 11.0pt;"> Strong C/C++ software development experience with real-time audio processing systems.</span></li> </ul> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt; color: black;">&nbsp;</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><span style="font-weight: bold;">Preferred Qualifications </span></p> <ul style="margin-top: 0in; margin-bottom: 0in;" type="disc"> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle;"><span style="font-family: Calibri; font-size: 11.0pt;">Commercialization experience: Voice communication and/or Voice recognition features</span></li> </ul> <ul style="margin-top: 0in; margin-bottom: 0in;" type="disc"> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Automotive / IVI Experience – Strong Plus: Experience developing audio systems for automotive or IVI platforms is highly desirable.</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Hands-on experience with DSP Concepts Audio Weaver (AWE) is highly desirable.</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Experience with acoustic measurement, tuning, and validation equipment and tools: HATS, HEAD acoustics, Audio Precision</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle; color: black;"><span style="font-family: Calibri; font-size: 11.0pt;">Experience with Python and MATLAB also highly desirable</span></li> </ul> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt; color: black;">&nbsp;</p> <p style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><span style="font-weight: bold;">Salary Range</span></p> <ul style="margin-top: 0in; margin-bottom: 0in;" type="disc"> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle;"><span style="font-family: Calibri; font-size: 11.0pt;">$160,000 - 175,000</span></li> <li style="margin-top: 0; margin-bottom: 0; vertical-align: middle;"><span style="font-family: Calibri; font-size: 11.0pt;">The actual salary offered is dependent on various factors including, but not limited to, location, the candidate’s combination of job-related knowledge, qualifications, skills, education, training, and experience&nbsp;</span></li> </ul> <p>&nbsp;</p><div class="content-conclusion"><p>All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, genetic information, or pregnancy.</p> <p><em><strong>Please beware of job seeker scams and see this <a href="https://www.alten.com/careers/job-offers/">important notice</a> on our careers page for more information about our recruiting process.</strong></em></p> <p><strong>Compliance Notice: </strong>Alten USA is a federal contractor subject to the requirements of the Vietnam Era Veterans’ Readjustment Assistance Act (VEVRAA) and Executive Order 11246. We are an Equal Opportunity Employer and consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.</p> <p><strong>Drug Screening Requirement: </strong>As a federal contractor, Alten USA maintains a drug-free workplace. All candidates selected for employment will be required to successfully complete a pre-employment drug screening as a condition of hire.</p></div>