Lumai - Senior Embedded Engineer (RTOS)
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Requirements
• Must-Have • 5+ years of embedded software experience with C/C++ in production hardware products • Proven experience writing Linux device drivers (character, platform, or PCIe drivers) • Hands-on BSP bring-up experience on custom hardware — from schematic review to first OS boot • Solid understanding of RTOS concepts: task scheduling, inter-task communication, memory protection • Proficiency with hardware debug tools: JTAG/SWD debuggers, oscilloscopes, logic analysers • Bachelor's degree or higher in Electrical Engineering, Computer Engineering, or equivalent experience • Strong Preference For • Experience with PCIe driver development or DMA engine programming • Familiarity with power management frameworks (ACPI, Linux PM runtime) • Prior work on AI accelerator or GPU driver development
Responsibilities
• Develop and maintain device drivers for Lumai's AI accelerator, targeting Linux kernel and bare-metal environments • Write and debug firmware for control and management processors alongside the main accelerator die • Lead BSP bring-up for new hardware revisions: clock tree configuration, interrupt routing, peripheral initialisation • Implement RTOS-based control tasks using FreeRTOS or equivalent, ensuring deterministic scheduling and safe resource management • Work with hardware engineers to validate bring-up through JTAG debugging, oscilloscope analysis, and logic capture • Establish coding standards, review practices, and testing methodology for the embedded team
Benefits
• Highly Competitive Salary: We are not saying our salary is a blank check, but let's just say it won't be a source of your stress • Pension Scheme: Plan for retirement with AVIVA • Pension Scheme: • Private Health Insurance: We firmly believe that you come first, and a happy you is a healthy you! Look after yourself and your loved ones with AXA • Private Health Insurance: • Cycle to Work: Spread the cost of a bike, a bike and accessories or just accessories and save on tax • Cycle to Work: • L&D Allowance: Stay at the forefront of your field with a £500 annual development budget • L&D Allowance: • Subsidised On-site Lunches: Enjoy on-site healthy meals at half the price, as Lumai covers 50% of the cost • Subsidised On-site Lunches: • Holidays: Enjoy some deserved "me time" with 25 days paid holiday (plus bank holidays) per year • Holidays:
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