Audio Firmware Engineer

USA-CA-San Mateofull time

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On Site

$234k–$351k

H1B: yes

Sony Interactive Entertainment Audio Firmware Engineer at Sony Interactive Entertainment responsible for designing, implementing, and optimizing wireless connectivity features and audio firmware for gaming peripherals. Leads technical architecture and execution across firmware domain.

Responsibilities

Design, implement, and debug Bluetooth/BLE features across RTOS and/or kernel drivers, systemd/D-Bus services. ALSA/ASoC, codec and DSP drivers, A2DP,HFP, AVRCP.
Deliver robust pairing, bonding, and provisioning flows GATT/GAP, LE Audio/LC3
Optimize end-to-end audio latency, buffer sizing and xrun/glitch elimination, clock drift and sample-rate conversion, jitter buffer behavior, and low-power idle/wake paths, coexistence, nearby discovery.
Reconcile wireless link clock against codec’s I2S clock without audible drift or resampling artifacts and concurrent-path operation
Instrument and analyze with packet captures and tooling: ALSA/PipeWire debug(pw-top, alsa-info, tinyalsa), tracepoints and perf/EBPF; logic analyzer on I2S/SoundWire, and an audio analyzer for TBHD+N, SNR frequency response, btmon.
Drive interoperability and certification readiness (Bluetooth SIG, USB-IF, Microsoft HLK) and resolve field issues with root-cause fixes
Contribute to OTA-safe configuration, telemetry, and diagnostics for fleet-scale operation
Support manufacturing builds, per-unit acoustic calibration and coordinate firmware activities during product bring-up
Support products post-launch
Are highly proficient in C/C++ with scripting experience (Python or shell) and systems debugging (gdb, strace, logs, packet traces)
Possess deep knowledge of Bluetooth Classic/BLE (HCI, L2CAP, GATT/GAP, profiles)
Bring hands-on experience with BlueZ, and driver bring-up on ARM64 or x86 platforms

Qualification

Passion for gamingDSP feature integrationHost-side audioSecurebootDirect ODM/CM engagement in AsiaWorking ConditionsSmall team environmentAt SIE

Required

Have deep experience shipping wireless features on Mac, Windows or Linux-based and/or Console SDK experience·
Bluetooth audio SoC vendor stacks – Qualcomm QCC, Airoha, Realtek, Nordic RnF· Proprietary 2.4Ghz link design (custom TDMA, low latency dongle protocols.)·
Passion for gaming, digital entertainment and consumer electronics industry
Have a proven track record of improving real-world performance and reliability under RF constraints

Preferred

DSP feature integration: AEC, noise suppression, beamforming, sidetone, spatial audio/HRTF·
Host-side audio: WASAPI/APOs on Windows, CoreAudio on MacOS·
Secureboot, signed images, key management for OTA·
Battery life profiling and power-state tuning· Yocto or buildroot·
Direct ODM/CM engagement in Asia
Working Conditions
Small team environment; feels like a start-up within a large organization.
At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location.

Benefits

Dental
Vision
401(k)
PTO
Wellness

Company

Sony Interactive Entertainment

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Source: greenhouse

Active within the past hour

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Must-Have Skills for This Role

BluetoothBLERTOSKernel driverssystemdD-Bus

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