PCB Design Engineer

Recruiter:

Network Recruitment

Job Ref:

NES023655/CM

Date posted:

Tuesday, November 18, 2025

Location:

Pretoria, South Africa

SUMMARY:
Our client is seeking an experienced Embedded Systems & PCB Design Engineer to join their growing engineering team. This role will suit someone who enjoys hands-on hardware development and is passionate about building reliable, production-ready IoT devices. The successful candidate will be responsible for designing embedded electronics, developing firmware, and integrating sensors and communication technologies for end-to-end IoT solutions.

POSITION INFO:
Key Responsibilities

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.)

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