X4 Technology

Linux Device Driver Engineer – Upstream / ARM SoC Enablement (Contract, Fully Remote)
I’m looking for an experienced Linux kernel engineer to work on new ARM SoC enablement with a major global semiconductor company. This is on a long term, high pay, fully remote working basis.
What the work looks like
This is new-silicon work, not maintenance of an existing BSP. You’d take peripherals from the hardware reference manual through Device Tree and driver development, then on to hardware validation and upstream submission.
The core areas are:
<ul>
<li>Peripheral and controller drivers written from the hardware manual: SPI, I²C, DMA and interrupt routing</li>
<li>High-speed interfaces such as PCIe (helpful, but not essential)</li>
<li>Device Tree development</li>
<li>Board bring-up and low-level hardware debugging</li>
</ul>
You’ll also touch ASoC, pinctrl, Ethernet/PHY and thermal drivers. You don’t need to know all of these in depth.
The kind of problem you’ll be solving
A peripheral won’t probe, enumerate or raise interrupts, and you have to work out why. Is it the hardware configuration, the clocks or resets, the interrupt routing, the Device Tree, the status register handling, or the driver? There’s also the challenge of supporting several SoC variants that share IP but differ in registers, interrupts and quirks, without ending up with duplicated drivers.
What I’m looking for
<ul>
<li>Strong C and Linux kernel fundamentals, with ARM/SoC experience</li>
<li>Experience writing drivers from a hardware manual or datasheet (platform drivers, probe/remove, clocks, resets, interrupts, DMA), not only Device Tree changes or small fixes</li>
<li>Upstream Linux contributions: patches accepted into mainline, working with maintainers, responding to review, and handling patch series</li>
<li>Hands-on hardware debugging on real boards</li>
<li>A bonus: Yocto, CIP kernels, or automated hardware testing (pytest/LAVA)</li>
</ul>
If you’ve worked on vendor kernels or BSPs and have upstream patches behind you, I’d like to hear from you. You don’t need PCIe experience, or a long list of subsystems on your CV.
🌍 Fully remote (work from anywhere in Europe)
💰 Contract role, highly competitive rate
🔧 Real silicon, real hardware
🌐 Genuine upstream Linux work
Please apply with an up to date CV or send through an e-mail to <a href="mailto:j.muncey@thex4group.com" rel="nofollow noopener" target="_blank">j.muncey@thex4group.com</a> if you wish to run through further infomation on it. Any covering note explaining the drivers you have worked on would also be welcome. The client Can offer the contract following a one stage teams interview.
#LinuxKernel #UpstreamLinux #EmbeddedLinux #ARM #SoC #DeviceTree #DMA #Firmware #Contract

Linux Device Driver Engineer – Upstream / ARM SoC Enablement (Contract, Fully Remote)

Linux Device Driver Engineer – Upstream / ARM SoC Enablement (Contract, Fully Remote)

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