Audio Firmware Engineer

Why Sony Interactive Entertainment

Sony Interactive Entertainment isnt just the Best Place to Play its also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation were part of a proud legacy of innovation and excellence. SIE is a dynamic technology company delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand a name synonymous with entertainment excellence and creativity.

Audio Firmware Engineer

We are building a small team to create new products for the PlayStation community. Our team recently delivered the new PlayStation Link PULSE Explore and PULSE Elite products recently announced the FlexStrike and PULSE Elevate products and are hard at work on what comes next.

We are seeking a connectivity protocol engineer for design implement and optimize wireless connectivity features across our product ecosystem. Youll work at the intersection of systems software wireless standards and hardware integrationbuilding robust pairing and provisioning flows debugging low-level protocols and driving performance under real-world RF constraints. You will also support certification field interoperability and fleet-scale connectivity infrastructure.

Come and play with us!

In this role you will own and develop firmware for gaming peripherals. You will be responsible for technical leadership system architecture and execution across the firmware domain working closely with internal teams and external partners.

• Design implement and debug Bluetooth/BLE features across RTOS and/or kernel drivers systemd/D-Bus services. ALSA/ASoC codec and DSP drivers A2DPHFP 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 codecs 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 TBHDN 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
• Experience with A2DPHFP AVRCP and BAS/ASCS/PACS for LE Audio. Codec familiarity SBC AAC aptX LDAC LC3

• 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

Nice to Have:

• 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

Small team environment; feels like a start-up within a large organization.

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Equal Opportunity Statement:

Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity gender expression and gender reassignment) race (including colour nationality ethnic or national origin) religion or belief marital or civil partnership status disability age sexual orientation pregnancy maternity or parental status trade union membership or membership in any other legally protected category.

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Sony Interactive Entertainment is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.