Digital Signal Processing Engineer (Acoustic)

9 Mothers • Austin, TX

10d • Onsite

About The Position

We are seeking a Senior Acoustic DSP & Real-Time Beamforming Engineer to own the stack that turns raw multichannel audio into reliable bearings and alerts. You will design algorithms to function in messy outdoor conditions, optimized for low-latency execution on edge hardware to ensure our systems react faster than the threat.

Requirements

• Experience: Demonstrated success delivering real-world multichannel audio, radar, or sonar systems validated on messy, imperfect data.
• Technical Depth: Strong beamforming/DoA fundamentals and sensitivity to calibration errors (phase errors, channel mismatch).
• Coding: Proficiency in Python and C++/Rust with the ability to productize, profile, and optimize code.
• Iteration: A mindset that iterates from measurements: logging → hypothesis → change → field verification.
• Compliance: This position requires access to export-controlled information under ITAR. Only U.S. persons are permitted to access such information.
• Background: Must be willing to submit to a background check.

Nice To Haves

• Embedded deployment experience (NVIDIA Jetson)
• Acoustic tracking, temporal smoothing, or multi-source handling
• Prior defense startup experience

Responsibilities

• Build the DSP Pipeline: Design and implement the full pipeline, including framing/STFT, filtering, coherence features, and noise/wind handling.
• Implement Beamforming & DoA: Compare and deploy approaches like MUSIC, ESPRIT, and MVDR, selecting the best strategy based on real-world field metrics.
• Hardware Partnership: Translate physical constraints (mic spacing, SNR limits) into algorithm decisions to ensure hardware and software are perfectly synced.
• Create Evaluation Infrastructure: Curate datasets and build replay harnesses and error taxonomies to answer "why did it fail" with data-driven certainty.
• Edge Optimization: Optimize for compute limits on CPU/GPU with deterministic behavior and robust fallbacks for high-stakes environments.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed