Senior Embedded Linux Engineer

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About the role

Gravis Robotics is a high-growth Series A start-up backed by SoftBank, bringing Physical AI to the construction industry, turning heavy construction machines into autonomous robots. Gravis began as an ETH Zurich spin-out, and our unique combination of learning-based automation and augmented remote control lets one operator safely conduct a fleet of earthmoving machines in a gamified environment. Backed by deep robotics research and now deployed across multiple countries with leading construction and equipment partners, our team is rapidly growing to bring this technology to a trillion-dollar industry. The Gravis RACK is a machine-agnostic retrofit kit that adds autonomy to excavators and wheel loaders from 10 to 100+ tonnes: LiDAR and camera sensing, GNSS RTK, networking hardware and rugged edge compute that works offline. Paired with the Slate tablet and our Copilot software, it lets an operator run a machine manually, with AI assistance, or fully autonomously. Increasingly, we also build custom hardware to adapt our machines for highly specialized, robust applications beyond traditional excavation. About the role At Gravis, we build high tech systems that give machine operators super human capabilities. To adapt in real time to changes in the environment the Gravis Rack fuses data from LiDAR, cameras, GNSS, and hydraulics into an autonomous control system. All of it runs on Linux, on compute hardware we design ourselves, bolted to the roof of a machine that vibrates, overheats, and regularly loses network coverage. As a senior engineer focused on the embedded platform, you will own the software layer closest to that hardware: bootloader, kernel, device tree, root filesystem, and the update mechanism that keeps the fleet current. You will work at the intersection of our Hardware, Firmware, Autonomy, and Perception teams to bring up new boards alongside the engineers who designed them, then hand the software organization a platform they can build on without thinking about it. When something fails on site and nobody can yet say whether it's a driver or a solder joint, you are the person who finds out. What you’ll do • Own the embedded Linux platform from end to end: bootloader, kernel, device tree and rootfs. • Bring up new hardware alongside electrical engineers. Take our boards from first power-up to a boot you’d trust on a customer site. • Write and maintain the kernel drivers that connect the Rack’s sensors to the autonomy stack • Be the low level link between hardware and software teams; the person who can tell a driver bug from a hardware fault. • Drive our OTA update and recovery strategy for machines around the world • Implement security hardening: secure boot, disk encryption, container isolation, vulnerability patching. What we're looking for We recognize that excellent candidates come from diverse backgrounds with varied combinations of skills. If you meet most of the core qualifications below, we encourage you to apply. • Degree in Electrical/Computer Engineering, CS, or related field. • Deep knowledge of Linux kernel internals: device drivers, device tree, interrupt handling, memory management, scheduling. • Experience with custom hardware bring-up: pin muxing, clock configuration, regulator control, PCIe, USB, I2C, SPI, UART, CSI, Ethernet. • Strong understanding of circuit diagrams and digital electronics. • Self-driven, able to take full ownership in a fast-moving startup. • Good English (written and spoken) is a must. Bonus Qualifications • Yocto, Buildroot, nixOS or bootc experience for custom embedded distributions. • Experience with NVIDIA Jetson platforms (Thor, Orin, Xavier, Nano or equivalent) and JetPack/L4T ecosystem. • Power, thermal, or performance optimization on resource-constrai

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