Pretoria: Embedded Engineer

As our Embedded Systems & PCB Design Engineer, youll be responsible for designing custom electronics, programming firmware for microcontrollers, and integrating various sensors into reliable, production-ready IoT devices. Key Responsibilities: Design and develop firmware for embedded microcontrollers (e.g. EFM32 and ESP32) Design, layout, and test PCB boards using tools such as KiCad, Altium, or Eagle Integrate and calibrate sensors (temperature, pressure, flow, GPS, etc.) Implement and test communication protocols (I2C, SPI, UART, and CAN) Develop and optimize wireless connectivity (Wi-Fi, BLE, LoRa, NB-IoT, GSM, and LTE) Collaborate with software/cloud teams for end-to-end IoT integration Prototype, test, and debug using lab equipment (oscilloscope, logic analyzer, etc.) Prepare production documentation and support hardware manufacturing partners Fault finding and repair of PCBs, electrical and electronic assemblies Technical support for projects and support for new designs Participate in project technical reviews Provide mentorship and technical guidance to other members of the discipline Provide input into skills development/training and contribute to discipline-specific training where applicable Assist with the procurement, maintenance, training in the use of discipline specific tools Implement and maintain version control processes for firmware development using Git repositories Able to make adjustments on all existing firmware projects Assist with and generate necessary engineering documentation related to the work being executed Support the company’s proposal/quotation generation process Assist with budgeting for capital expenditure and expenses Assist with creating BOMs for products and update when changes are implemented Requirements: 3 years’ experience in embedded systems and PCB design A minimum of an BEng in Electronic or Computer Engineering Strong in C/C++ programming for embedded systems Experience with sensor integration and analog/digital signal interfacing Familiarity with IoT communication protocols (MQTT, CoAP, and REST) Working knowledge of power management and low-power design Experience with hardware bring-up, testing, and troubleshooting Advantageous: Experience with OTA updates, device provisioning, or cloud IoT platforms (AWS IoT, Azure IoT, etc.)