Firmware Engineer: Ultra-Low-Power IoT for Global Sensors

BALDER; Oslo; Hybrid; NOK 800,000 - 1,000,000; Full time

Job summary

Balder is expanding its firmware team and seeks a motivated Firmware Engineer to develop the core logic for our next-generation container sensors. These ultra-low-power IoT devices track containers worldwide using cellular and satellite links, designed for years of unattended operation.

You will own firmware from concept to deployment, work with hardware and cloud engineers, and help push for best-in-class battery life and reliability.

Qualifications

• Proven experience in embedded systems development using C/C++.
• Strong understanding of low-level hardware interfaces and protocols (I2C, SPI, UART).
• Solid debugging skills for hardware and firmware issues, using tools like logic analyzers and oscilloscopes.
• Foundational knowledge of electronics and the ability to read schematics.
• Eligible to work in Norway with valid work authorization or citizenship.
• For graduates: a relevant academic background (Cybernetics, Electronics, CS) and a firmware portfolio.

Responsibilities

• Design, develop, and maintain firmware for low-power embedded IoT devices.
• Optimize firmware for ultra-low power consumption to extend battery life.
• Collaborate with hardware engineers on board bring-up, validation, and debugging.
• Develop and maintain robust test suites and automated firmware validation.
• Troubleshoot complex issues spanning hardware, firmware, and cloud interfaces.

Skills

C/C++

Embedded systems

I2C/SPI/UART

Education

Cybernetics

Electronics

Computer Science

Tools

Logic analyzers

Oscilloscopes

Job description

Balder is expanding its firmware team and seeks a motivated Firmware Engineer to develop the core logic for our next-generation container sensors. These ultra-low-power IoT devices track containers worldwide using cellular and satellite links, designed for years of unattended operation.

You will own firmware from concept to deployment, work with hardware and cloud engineers, and help push for best-in-class battery life and reliability.