Embedded System Engineer

ACL Digital; Cincinnati (OH); Presencial; USD 120.000 - 180.000; Jornada completa

Descripción de la vacante

ACL Digital is hiring a Senior Embedded Systems Engineer to lead firmware development for next-generation smart home devices. You will architect IoT solutions based on Matter, Wi-Fi and Thread, ensuring interoperability with major platforms.

You will build production-grade C/C++ firmware using FreeRTOS or Zephyr, implement OTBR and OTA architectures, and secure device connections to Azure IoT Hub or similar clouds, while ensuring robust security and certification readiness.

Formación

• 8+ years of embedded C/C++ firmware engineering experience.
• Deep IoT protocol expertise: Matter, Thread, BLE 5.x, and Wi‑Fi stacks.
• Security & cloud: TLS/SSL, PKI, secure boot, and Azure IoT Hub (or AWS IoT Core).
• Hardware debugging: JTAG/SWD, logic analyzers, and Wireshark RF sniffing.

Responsabilidades

• Build production-grade C/C++ firmware using FreeRTOS or Zephyr RTOS.
• Implement Matter-over-Wi‑Fi/Thread, OpenThread Border Router (OTBR), and BLE onboarding flows.
• Connect devices securely to Azure IoT Hub using MQTT, TLS, and Device Provisioning Service (DPS).
• Design fail-safe, dual-bank OTA update architectures and secure boot flows.
• Resolve ecosystem interoperability issues and prepare devices for CSA Matter certification.

Conocimientos

Embedded C/C++

IoT protocol

Security & cloud

Hardware debugging

Herramientas

FreeRTOS

Zephyr RTOS

Matter

OpenThread Border Router

Descripción del empleo

We are hiring a Senior Embedded Systems Engineer to lead firmware development for next-generation smart home devices. You will architect connected IoT solutions using the Matter standard (Wi‑Fi & Thread), ensuring interoperability across Apple Home, Google Home, and Amazon Alexa.

What You'll Do

• Build production-grade C/C++ firmware using FreeRTOS or Zephyr RTOS.
• Implement Matter-over-Wi‑Fi/Thread, OpenThread Border Router (OTBR), and BLE onboarding flows.
• Connect devices securely to Azure IoT Hub using MQTT, TLS, and Device Provisioning Service (DPS).
• Design fail-safe, dual-bank OTA update architectures and secure boot flows.
• Resolve ecosystem interoperability issues and prepare devices for CSA Matter certification.

What We're Looking For

• 8+ years of embedded C/C++ firmware engineering experience.
• Deep IoT Protocol Expertise: Matter, Thread, BLE 5.x, and Wi‑Fi stacks.
• Security & Cloud: TLS/SSL, PKI, secure boot, and Azure IoT Hub (or AWS IoT Core).
• Hardware Debugging: JTAG/SWD, logic analyzers, and Wireshark RF sniffing.