Embedded Systems Engineer: Telematics OTA Firmware

Perfect Vision; Dammam; On-site; SAR 120,000 - 210,000; Full time

Job summary

Perfect Vision in Dammam, Saudi Arabia, is seeking an Embedded Systems Engineer to design and build firmware for connected telematics devices. You will develop efficient C/C++ on constrained hardware, implement OTA updates, and ensure secure data transmission to our fleet platform.

You will work with hardware engineers during board bring-up, integrate drivers for UART/SPI/I2C, and optimize for low power and long-term field reliability, delivering robust edge-to-cloud capabilities.

Qualifications

• 3+ years of embedded development experience.
• Strong C and C++ on constrained microcontrollers.
• Experience with RTOS, interrupts, and real-time constraints.
• Experience with CAN/OBD-II and vehicle bus protocols.
• Familiar with MQTT/TCP/IP networking.
• Hardware debugging tools like oscilloscope and JTAG.

Responsibilities

• Design, write, and maintain firmware for microcontrollers on RTOS or bare-metal.
• Develop device drivers for UART, SPI, I2C, ADC, GPIO, and DMA.
• Implement vehicle data access over CAN, OBD-II, J1939, and Modbus.
• Build cellular connectivity and telemetry using MQTT, TCP/IP, TLS.
• Design OTA firmware update mechanisms with rollback and integrity checks.
• Collaborate with hardware and platform teams for data contracts.
• Write unit and integration tests; perform debugging with JTAG/SWD.

Skills

Embedded development

RTOS concepts

C/C++ programming

Real-time systems

Device debugging

Education

Bachelor's in Computer/Electronic Engineering or CS

Tools

UART

SPI

I2C

CAN

OBD-II

JTAG/SWD

Oscilloscope

Logic analyzer

Job description

Perfect Vision in Dammam, Saudi Arabia, is seeking an Embedded Systems Engineer to design and build firmware for connected telematics devices. You will develop efficient C/C++ on constrained hardware, implement OTA updates, and ensure secure data transmission to our fleet platform.

You will work with hardware engineers during board bring-up, integrate drivers for UART/SPI/I2C, and optimize for low power and long-term field reliability, delivering robust edge-to-cloud capabilities.