System Power Engineer, Consumer Devices
Characterize, measure, and optimize power consumption on embedded consumer hardware. Build test automation, measure subsystem power, and drive improvements in battery life, thermals, and charging performance.
Connectivity Software Engineer
Designs, implements, and optimizes Bluetooth/BLE and Wi-Fi connectivity features in Linux kernel drivers and system services for OpenAI products. Requires deep expertise in C/C++, wireless protocols, and Linux systems programming with hands-on shipping experience.
293k – 325kSan Francisco, CAEmbedded EngineeringHybrid
About the role
Responsibilities
- Design, implement, and debug Bluetooth/BLE and Wi-Fi features across kernel drivers, BlueZ/wpa_supplicant/hostapd, and systemd/D-Bus services
- Deliver robust pairing, bonding, and provisioning flows (GATT/GAP, LE Audio/LC3, WPA3/802.1X, captive portals, NAN)
- Optimize link performance: throughput, latency, jitter, roaming, coexistence (BT↔Wi-Fi), and power modes (TWT, WoWLAN)
- Build reliable network management using NetworkManager/nmcli, nl80211/cfg80211/mac80211, DNS/DHCP/mDNS, P2P/SoftAP
- Instrument and analyze with packet captures and tooling (btmon/hcidump, Wireshark, iperf, eBPF/perf, spectrum sniffers)
- Drive interoperability and certification readiness (Bluetooth SIG, Wi-Fi Alliance) and resolve field issues with root-cause fixes
- Contribute to OTA-safe configuration, telemetry, and diagnostics for fleet-scale operation
Requirements
- Deep experience shipping wireless features on Linux-based products
- Highly proficient in C/C++ with scripting experience (Python or shell) and systems debugging (gdb, strace, logs, packet traces)
- Deep knowledge of Bluetooth Classic/BLE (HCI, L2CAP, GATT/GAP, profiles) and Wi-Fi (802.11 a/b/g/n/ac/ax, WPA2/3, nl80211, NAN)
- Hands-on experience with BlueZ, wpa_supplicant/hostapd, NetworkManager, and driver bring-up on ARM64 or x86 platforms
- Proven track record of improving real-world performance and reliability under RF constraints
Preferred Qualifications
- Experience with LE Audio (LC3), BLE Mesh, advanced roaming (802.11k/v/r), QoS/WMM, multicast/IGMP
- Coexistence tuning across radios (BT/Wi-Fi/UWB/mmWave) and antenna/RF fundamentals with test equipment workflows
- Familiarity with UWB (IEEE 802.15.4z, FiRa); mmWave/Wi-Gig (802.11ad/ay)
- Experience with security and provisioning at scale (EAP-TLS, device identity, secure boot, disk/network hardening)
- Background in building factory test, interoperability, and certification test plans; upstream/open-source contributions
Skills
C++LinuxBluetoothBleWi-FiBluezWpa_SupplicantNetworkmanagerNl80211PythonEbpfArm64GattGap802.11
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