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Kernel Build Automation Engineer - Ubuntu Linux

Canonical - Jobs · Posted Oct 16, 2025

Open

Remote
Remote
Senior

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Kernel Build Automation Engineer - Ubuntu Linux

Canonical - Jobs · Posted Oct 16, 2025

Open

Remote
Remote
Senior

Apply with Referso

Ubuntu Linux Kernel Engineer - Silicon Enablement

Canonical - Jobs · Posted Jun 27, 2024

Open

Remote
Remote

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Lead integration and optimization of silicon platform support for the Ubuntu Linux kernel, collaborating with global partners and the open-source community.

Responsibilities

Drive the integration of platform support from silicon partners into the Ubuntu Linux kernel
Lead the identification and resolution of complex kernel issues reported by partners, customers, or discovered through rigorous testing
Own the delivery of distinct, silicon-optimized variants of the Ubuntu Linux kernel to the global community
Develop and refine the tooling and automation required for the reliable delivery and testing of our kernels
Manage the submission and review process for upstream patches, collaborating effectively with both internal and external maintainers

Requirements

Nice to have: Python scripting
Nice to have: Bash scripting
Nice to have: SoC families
Nice to have: Ubuntu
Nice to have: Debian

Skills

C programming device drivers BSPs kernel fundamentals Git

Linux Kernel Engineer

Canonical - Jobs · Posted Oct 18, 2023

Open

Remote
Remote
Full-time

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Lead kernel development, patching, and performance engineering for Ubuntu Linux kernels across all platforms and architectures.

Compensation

We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognise outstanding performance. In addition to base pay, we offer a performance-driven annual bonus.

Responsibilities

Collaborate regularly and proactively with a globally distributed team
Work closely with silicon, cloud, or hardware manufacturers
Diagnose and resolve issues in the kernel
Take personal responsibility for a flavour of the Ubuntu Linux kernel
Improve tooling and automation for delivery and test of Ubuntu Linux kernels

Requirements

Bachelor's in Computer Science or STEM
Nice to have: performance engineering
Nice to have: security experience

Skills

C git kernel patching kernel debugging device drivers BSP

Ubuntu Linux Kernel Engineer - BIOS/Firmware

Canonical - Jobs · Posted Jun 27, 2024

Open

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Lead development and maintenance of BIOS/UEFI and ACPI firmware components for the Ubuntu Linux kernel.

Responsibilities

Collaborate with a globally distributed team
Work with PC platform enablement team and vendors to resolve BIOS/UEFI/ACPI issues
Contribute to Firmware Test Suite (FWTS)
Improve tooling and automation for Ubuntu Linux on x86 platforms
Submit, review, and apply kernel patches with upstream maintainers

Skills

C Python Bash git ACPI UEFI AML coreboot firmware kernel patching debugging devicetree systemready u-boot Firmware Test Suite

Benefits

Personal learning and development budget of USD 2,000 per year
Annual compensation review
Recognition rewards
Annual holiday leave
Maternity and paternity leave

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Lead Linux Kernel Engineer - Ubuntu

Canonical - Jobs · Posted Jun 3, 2024

Open

Remote
Remote
Full-time · Senior
15+ years

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Lead the technical direction and delivery of key aspects of the Ubuntu Linux kernel, coordinating with senior leadership and external partners.

Compensation

In addition to base pay, we offer a performance-driven annual bonus or commission.

Responsibilities

Set the technical direction and lead the delivery of a team of junior and mid-career engineers for a key aspect of Ubuntu Linux
Work closely with management within and outside the team to track and coordinate initiatives to delivery
Collaborate daily with other senior technical leadership on the Kernel Team on how best to ensure Ubuntu stays at the pinnacle of Linux distributions

Requirements

Nice to have: RTOS
Nice to have: real-time performance analysis
Nice to have: kernel patching
Nice to have: debugging
Nice to have: device drivers

Skills

C programming language Linux kernel Python Bash git Ubuntu/Debian/Snap packaging

Platform Security Engineer

Fly.io · Posted Nov 5, 2026

Open

Remote
Remote
Full-time · Senior
5+ years

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Lead platform security engineering, owning kernel, hypervisor, sandbox, and host networking isolation for Fly.io’s global public cloud.

Compensation

We offer competitive equity grants with a long exercise window, health care benefits, flexible vacation time (with a minimum), and hardware and phone allowances.

Responsibilities

Own syscall filtering, process-level confinement, and network confinement for VMMs
Design and enforce host network isolation using nftables
Develop trust model between hosts and control plane
Patch and maintain the custom host kernel
Investigate and lead forensic analysis of host incidents

Requirements

Nice to have: hardware virtualization
Nice to have: nested virtualization
Nice to have: bare-metal cloud instances
Nice to have: customer-hosted virtualization

Skills

Linux kernel KVM hypervisor BPF seccomp filters jailer

Kernel patching jobs

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