Senior Audio Engineer - Acoustic at Apptronik

Apptronik is a human-centered robotics company developing AI-powered robots to support humanity in every facet of life. Our flagship humanoid robot, Apollo, is built to collaborate thoughtfully with people, starting with critical industries such as manufacturing and logistics, with future applications in healthcare, the home, and beyond. We operate at the cutting edge of embodied AI, applying our expertise across the full robotics stack to solve some of society's most important problems. You will join a team dedicated to bringing Apollo to market at scale, tackling the complex challenges like safety, commercialization, and mass production to change the world for the better. JOB SUMMARY Apptronik is seeking a Senior Audio Engineer specializing in acoustics to lead the design, analysis, and optimization of sound performance across products and environments. This role combines deep technical expertise in acoustic engineering with hands-on testing and cross-functional collaboration to deliver high-quality audio experiences. ESSENTIAL DUTIES AND RESPONSIBILITIES or KEY ACCOUNTABILITIES • Lead the application of acoustic engineering principles within robotics systems, supporting mechatronic and system-level integration and mitigating vibration, motion-induced noise, and environmental variability • Perform acoustic simulations, modeling, and analysis to predict and optimize sound behavior • Conduct lab and field testing, including frequency response, distortion, noise, and vibration analysis • Develop and validate acoustic requirements, specifications, and test methodologies • Analyze and troubleshoot sound quality issues, including noise, resonance, and interference • Collaborate with mechanical, electrical, and DSP teams to integrate acoustic solutions • Optimize audio performance through enclosure design, material selection, and tuning • Mentor junior engineers and provide technical leadership within the team • Document designs, test results, and engineering decisions SKILLS AND REQUIREMENTS • Strong understanding of acoustics principles (wave propagation, resonance, etc) • Exposure to robotics systems, including mechatronics and system-level integration, with experience applying acoustic engineering principles in dynamic environments and familiarity with challenges such as vibration, motion-induced noise, and environmental variability • Experience with acoustic measurement tools (e.g., microphones, analyzers, DAQ, anechoic chambers) • Experience in a specific domain (consumer electronics, automotive audio, or pro audio systems) • Familiarity with DSP (Digital Signal Processing) and audio tuning • Knowledge of vibration and structural dynamics • Experience with standards and compliance testing (e.g., ISO, IEC acoustic standards) • Proficiency in simulation and modeling tools • Hands-on experience with sound testing and data analysis • Advanced problem-solving and analytical thinking • Strong attention to detail and sound quality perception • Ability to translate subjective feedback into measurable improvements • Effective communication and cross-functional collaboration EDUCATION and/or EXPERIENCE • Bachelor’s or Master’s degree in Acoustics, Audio Engineering, Mechanical Engineering, or related field • 5–10+ years of experience in acoustic or audio engineering PHYSICAL REQUIREMENTS • [Prolonged periods of sitting at a desk and working on a computer • Must be able to lift 15 pounds at times • Vision to read printed materials and a computer screen • Hearing and speech to communicate] *This is a direct hire. Please, no outside Agency solicitations. Apptronik provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.