Salary: £30,000 - 55,000 per year Requirements: High-speed serial communication interfaces/protocols (e.g. PCIe, Ethernet/IEEE802.3, SPI, I2C, etc.) and high-speed bus architectures (e.g. DDR3/4) Use of high-speed digital design techniques such as signal termination, controlled impedance, matched length tracking, ground/power planes, decoupling, etc. Integrating hardware, firmware & software on FPGA and microprocessor-based PCAs Signal integrity & power integrity analysis at board level using Hyperlynx SI/PI Responsibilities: Creating high-quality and robust digital electronics designs Documenting and recording deliverables Supporting integration & verification activities at the hardware and system level Keeping designs under configuration control Providing progress reports Technologies: Ethernet FPGA Firmware Hardware HyperLynx PCIe Marketing More: We are an engineering company specializing in solving complex engineering challenges across various industries, from aerospace and automotive to healthcare and semiconductors. This Principal Digital Hardware Engineer role is contract-based and hybrid, located in the Edinburgh area. We offer a competitive hourly rate, training and development opportunities, and career progression. Join us if youre ambitious and ready to make a significant impact! last updated 8 week of 2026