** Senior Design Engineer

2 weeks ago

Simi Valley, United States Dwyer Instruments, LLC. Full time

Description Altium CAD design Design, develop, and maintain low-power sensor modules for healthcare, regulatory and industrial monitoring applications. Implement embedded firmware on microcontrollers (e.g., STM32, Nordic nRF, Ambiq Apollo) using C, Zephyr RTOS, and other frameworks. Develop and optimize wireless communication protocols including BLE, LoRa, Wi‑Fi, and cellular (LTE‑M, NB‑IoT). Perform power optimization for battery‑operated devices, including hardware circuit design, firmware strategies, and energy harvesting techniques for ultra‑low‑power designs. Design multilayer printed circuit boards (6+ layers) with emphasis on signal integrity, EMC/EMI mitigation, and optimized power section management. Integrate environmental sensors (temperature, humidity, differential pressure, gas) and ensure accurate data acquisition. Conduct debugging, validation, and testing of hardware/software systems, including data analysis and signal processing algorithms. Collaborate with cross‑functional teams to design scalable cloud connectivity solutions using REST, MQTT, FastAPI, Azure/AWS. Provide technical documentation, support production, and ensure compliance with quality and safety standards, including ISO‑26262 for V‑model development processes and ISO‑17025 for sensor calibration and testing. Requirements Bachelor’s degree (or foreign equivalent) in Electrical Engineering, Computer Engineering, or related field. At least 5 years of progressive experience in embedded systems development. At least 3 years of experience in wireless sensor network projects. Experience with microcontrollers (STM32, Nordic nRF, Ambiq Apollo) and embedded C (barebone) programming. Experience with wireless communication protocols (BLE, LoRa, Wi‑Fi, Cellular). Experience with RTOS (Zephyr, FreeRTOS) and low‑power system design. Experience with sensor integration (temperature, humidity, pressure, gas). Experience with PCB design (6+ layers) and use of industry‑standard EDA tools such as Altium Designer and KiCad. Experience with Linux system programming, kernel modules, and custom device driver development. Experience with cloud‑based data integration (MQTT, REST APIs, Azure/AWS). Knowledge of signal processing, FFT analysis, and data compression methods is preferred. #J-18808-Ljbffr

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