Senior Embedded Firmware Engineer - Cellular Security (Hybrid)

Pro Talent; Kloof; Hybrid; ZAR 800,000 - 1,000,000; Full time

Benefits offered by this job

Hybrid work model

Mentorship opportunities

Professional development

Job summary

Pro Talent is seeking a Senior Firmware Engineer to lead embedded development for cellular security devices. You will design, implement, and optimize firmware in C/C++ for GSM/LTE communicators and related hardware, collaborating with hardware and software teams.

The role emphasizes reliability, real-time performance, security, diagnostics, OTA updates, and field testing. Hybrid work, mentorship, and opportunities for professional growth are offered.

Qualifications

• 8+ years of embedded firmware development in C/C++.
• Firmware for cellular devices design and maintenance.
• Experience with UART, SPI, I2C, GSM/LTE protocols.
• Security practices and regulatory awareness in South Africa.
• Ability to collaborate across hardware and software teams.

Responsibilities

• Architect, design, implement, and maintain embedded firmware in C/C++ for microcontrollers used in GSM/LTE communicators, alarm panels, and related devices.
• Develop drivers and stacks for GSM/LTE, UART, SPI, I2C, protocols, and application logic for reliable signaling.
• Ensure firmware reliability with real-time, power, and security standards for always-on equipment.
• Collaborate with hardware engineers on bring-up, testing, and manufacturing considerations.
• Work with software teams on provisioning, OTA updates, cloud interfaces, and apps.
• Implement diagnostics, logging, error handling, watchdogs, and recovery strategies.
• Lead or contribute to firmware architecture, coding standards, reviews, and documentation.
• Perform unit, integration, system, and field testing; support QA processes.
• Troubleshoot field issues, analyze logs, and deliver timely solutions.
• Stay updated on cellular modules, modem AT command sets, embedded security, and SA regulatory requirements.
• Mentor junior engineers and drive process improvements.

Skills

Embedded firmware

C/C++

Cellular communications

Diagnostics & recovery

Cross-team collaboration

Mentorship

Tools

UART

SPI

I2C

GSM/LTE

Job description

Pro Talent is seeking a Senior Firmware Engineer to lead embedded development for cellular security devices. You will design, implement, and optimize firmware in C/C++ for GSM/LTE communicators and related hardware, collaborating with hardware and software teams.

The role emphasizes reliability, real-time performance, security, diagnostics, OTA updates, and field testing. Hybrid work, mentorship, and opportunities for professional growth are offered.