Emedded Firmware Developer
First seen by Alion on Oct 26, 2026.
SUMMARY:
About the role
Our client, a specialist electronic engineering company with more than 25 years’ experience, is looking for an Embedded Engineer to join its R&D and product development team. You’ll design, develop and test the firmware and digital hardware inside electronic sub-systems and IoT products, across both commercial and aerospace and defence projects. The work runs within an ISO 9001 quality framework and covers the full product life cycle, from early development through to production support.
POSITION INFO:
Key responsibilities Design, write, test and debug embedded firmware for microcontroller and microprocessor-based systems Develop device drivers, communication stacks and application layers for sensors, actuators and wireless modules Develop and maintain firmware for IoT products, including wireless and wired connectivity Carry out hardware bring-up, board debugging and validation Work with hardware engineers on schematics, component selection and design reviews Integrate embedded devices with cloud and gateway platforms Deliver outsourced R&D and IP development work for clients Translate client requirements into technical specifications and development plans Produce design documentation, test procedures and test reports in line with ISO 9001 Support production, manufacturing test and in-field support, and maintain products across their life cycle Minimum requirements B.Eng, B.Tech or BSc in Electronic, Electrical, Computer or Mechatronic Engineering, or Computer Science with an embedded focus Minimum of 3 years' experience developing embedded firmware in a product development or R&D environment Strong C, and C++ for embedded systems Microcontroller experience (for example ARM Cortex-M, STM32, NXP, Nordic or Microchip) Experience with an RTOS (for example FreeRTOS or Zephyr) or bare-metal real-time design Peripheral interfaces: SPI, I2C, UART, CAN, ADC and GPIO Communication protocols (for example BLE, LoRa, Thread, Modbus or RS-485) Ability to read schematics and debug hardware with an oscilloscope, logic analyser and JTAG\/SWD debugger Git version control, and structured testing and documentation practice Able to work independently and in a small engineering team Willingness to meet security and vetting requirements for defence-related projects Advantageous IoT product development, including low-power design and over-the-air firmware updates Aerospace, defence or other safety-critical development experience (for example DO-178C or MISRA C) Experience working within an ISO 9001 quality management system Embedded Linux, or FPGA \/ digital hardware design Manufacturing test, production support or product life-cycle experience Postgraduate qualification