Senior Embedded Engineer - Remote IoT/RTOS Expert

Placements24; Randburg; Hybrid; ZAR 900,000 - 1,500,000; Full time

Benefits offered by this job

Stock options

Remote work setup allowance

Professional development

Innovative products team

Flexible hours

Health insurance

Cutting-edge tools

Company culture

Job summary

Placements24 in South Africa is seeking a Senior Embedded Systems Engineer to join a fully remote team. You will architect embedded hardware and firmware, select MCUs and components, and optimize RTOS-based systems for performance and power.

You will collaborate with a distributed engineering group to deliver cutting-edge IoT devices. A strong background in C/C++, ARM Cortex-M/ESP32, and hardware debugging tools is essential, along with remote-work communication skills.

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering or Computer Engineering.
• 7+ years of embedded systems design and firmware development experience.
• Proficient in C/C++ for embedded applications.
• Experience with ARM Cortex‑M and ESP32 microcontrollers.
• Strong RTOS knowledge and practical implementation.
• Experience with hardware debugging tools (oscilloscopes, logic analyzers, JTAG).
• Knowledge of BLE, Wi‑Fi, LoRa wireless protocols.
• Familiarity with Git version control.
• Excellent analytical and debugging skills.
• Strong remote-work communication and collaboration.

Responsibilities

• Design and develop embedded hardware architectures for new product development.
• Select MCUs, sensors, and components based on project requirements.
• Develop, test, and debug embedded firmware using C/C++ and assembly language.
• Implement and optimize RTOS for various applications.
• Design and implement communication protocols (SPI, I2C, UART, CAN, Bluetooth, Wi‑Fi).
• Perform hardware bring-up and system integration testing.
• Collaborate with software engineers on system‑level architecture and integration.
• Conduct performance, power optimization, and failure analysis of embedded systems.
• Develop and maintain documentation for hardware designs and firmware.
• Mentor junior engineers and contribute to the team's technical growth.
• Stay current with embedded systems advancements.
• Ensure designs comply with industry standards and certifications.

Skills

C/C++ programming

Microcontrollers (ARM Cortex-M/ESP32)

RTOS concepts

Hardware debugging tools

Wireless protocols (BLE/Wi‑Fi/LoRa)

Git version control

Python scripting

Education

Bachelor's or Master's in Electrical/Computer Engineering

Tools

Oscilloscopes

Logic analyzers

JTAG debuggers

Development tools

Job description

Placements24 in South Africa is seeking a Senior Embedded Systems Engineer to join a fully remote team. You will architect embedded hardware and firmware, select MCUs and components, and optimize RTOS-based systems for performance and power.

You will collaborate with a distributed engineering group to deliver cutting-edge IoT devices. A strong background in C/C++, ARM Cortex-M/ESP32, and hardware debugging tools is essential, along with remote-work communication skills.