[Remote] C developer (Linux Kernel)

Note: The job is a remote job and is open to candidates in USA. Virtuozzo is a pioneering company in virtualization, known for its contributions to Linux namespaces and cgroups. They are seeking a C developer to join their kernel team, where the primary responsibilities include working on core Linux kernel subsystems and optimizing resource usage in virtual environments.


Responsibilities

  • Work on core Linux kernel subsystems — including memory management, scheduling, networking, and filesystems
  • Tweak and tune container isolation mechanisms until they’re practically airtight
  • Help Linux scale harder, faster, stronger
  • Optimize resource usage across thousands of virtual machines and containers
  • Collaborate with upstream maintainers to merge your patches into the kernel
  • Representing Virtuozzo at professional conferences, such as Open Source Summit, FOSDEM, and other Linux Foundation events

Skills

  • Strong C programming skills — the closer to the metal, the better
  • Know your way around at least one kernel subsystem
  • Comfortable with syscalls, kernel/user-space interfaces, and how Linux works under the hood
  • Debugging experience using kprobes, ftrace, perf, gdb, or whatever else helps squash the bug
  • You can communicate your ideas clearly in English, whether it's in a code review or a conference talk
  • Past work on open-source projects (got a GitHub or a LKML link? We'd love to see it)
  • Deep knowledge of namespaces, cgroups, or KVM
  • Python scripting for tooling, automation, or test harnesses
  • Familiarity with DevOps pipelines involving container tech or kernel builds

Benefits

  • Flexible hours and remote work options
  • Share Options - everyone shares in our success with share options
  • We help our team get private medical insurance
  • Employee recognition programs and reward systems
  • Space for creativity and experimentation within the company’s goals
  • Supportive, engineering-driven culture with minimal bureaucracy
  • The chance to influence Core team decisions from day one
  • A smart, friendly team that values reliability, simplicity, and automation
  • Depending on your location and preferred employment method, other perks and benefits may apply

Company Overview

  • Virtuozzo The scale and scope of a well-established business with the entrepreneurial energy and focus of a start-up. It was founded in 2015, and is headquartered in Seattle, Washington, USA, with a workforce of 201-500 employees. Its website is https://virtuozzo.com/.

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