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Firmware Engineer
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 secure, reliable communication using HTTPS, MQTT, or similar protocols.
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Skills & Experience
- Strong professional experience in embedded firmware development for IoT devices.
- Proficiency in C/C++, TI MSP, Atmel, ST Microelectronics microcontrollers and embedded debugging.
- Hands on experience with 4G modems, especially LTE Cat M1 / NB IoT / LTE Cat 1, including AT command stacks and vendor SDKs.
- Strong understanding of low power design, sensor integration, analogue/digital interfaces, and wireless communication constraints.
- Knowledge of clean water network operations, DMA monitoring, and leakage detection techniques is preferred.
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Equality & Diversity
Ovarro recognise the need for a diverse workforce and we are committed to equal opportunities in employment.
Ovarro employees and candidates who apply to work at Ovarro will be treated fairly and valued equally. All job requirements fit the needs of the business and those who work in it, regardless of age, disability, race, nationality, ethnic or national origin, gender, religion, beliefs, sexual orientation, domestic circumstances, social and employment status, HIV status, gender reassignment, political affiliation or trade union membership.
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