Ovarro is seeking a talented Firmware Engineer to join our team working on technology for Critical Infrastructure. You’ll play a role in the design, development, and optimisation of embedded firmware for our next generation IoT dataloggers, sensors. The ideal candidate has deep technical expertise in 4G modems (LTE Cat 1 / Cat M1 / NB IoT), low power embedded systems, and high reliability field‑deployed devices used in utility networks.

Key Responsibilities

• Design, develop, and maintain embedded firmware for battery-powered IoT dataloggers.
• Implement robust modem communication stacks for LTE Cat 1, NB IoT, LTE M, and multi‑band 2G/3G fallback where applicable.
• Integrate sensing technologies including pressure, flow, acoustic, ultrasonic, temperature, analogue (0–10V, 4–20mA), and digital pulse inputs.
• Develop efficient data logging, power management, wake/sleep regimes, and OTA update mechanisms.
• Deliver secu...