Pretoria East: PCB Design Engineer posted by Network Finance

• Design and develop firmware for embedded microcontrollers (EFM32, ESP32, etc.)
• Design, layout, and test PCB boards using KiCad, Altium, or Eagle
• Integrate and calibrate sensors such as temperature, pressure, flow, GPS, and others
• Implement and test communication protocols including I2C, SPI, UART, and CAN
• Develop and optimise wireless connectivity (Wi-Fi, BLE, LoRa, NB-IoT, GSM, LTE)
• Collaborate with software/cloud teams for complete IoT integration
• Prototype, test, and debug hardware using lab equipment (oscilloscopes, logic analysers, etc.)
• Prepare production documentation and support manufacturing partners
• Perform fault finding and repairs on PCBs and electronic assemblies
• Provide technical support on projects and assist with new hardware designs
• Participate in technical reviews across project phases
• Mentor junior team members and support skills development within the discipline
• Assist with procurement, maintenance, and training on discipline-specific tools
• Implement and manage version control processes for firmware using Git
• Update and maintain existing firmware across multiple projects
• Generate engineering documentation as required
• Support proposal and quotation processes
• Assist with budgeting for capital expenditure and operational expenses
• Create and maintain Bills of Materials (BOMs)

Requirements

• Minimum 3 years’ experience in embedded systems and PCB design
• BEng in Electronic or Computer Engineering (minimum requirement)
• Strong proficiency in C/C++ for embedded programming
• Experience with sensor integration and analog/digital interfacing
• Familiarity with IoT protocols such as MQTT, CoAP, or REST
• Understanding of power management and low-power design principles
• Experience in hardware bring-up, testing, and troubleshooting
• Advantageous: OTA firmware updates, provisioning workflows, or cloud IoT platforms (AWS IoT, Azure IoT, etc.)

Please forward your CV to *****@*****.co.za